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Alarm Code	Description of Alarm/Error
???	BP/S alarm is produced with the same number as P/S alarm taking place in normal program editing. (070, 071, 072, 073, 074 etc)
140	An attempt was made to select or delete a program being selected in the foreground.

Program P/S Alarms

Alarm Code	Description of Alarm/Error
000	A parameter which requires the power off was input, turn off power.
001	TH alarm ( A character with incorrect parity was input. Correct the tape.
002	TV alarm ( The number if characters in a block is odd). This alarm will be generated only when the TV check is effective. Correct the tape.
003	Data exceeding the maximum allowable number of digits was input. (Refer to the item of max.programmable dimensions)
004	A numeral of the sign “-” was input without an address at the beginning of a block.
005	The address was not followed by the appropriate data but was not followed by another address or EOB code.
006	Sign “-” input error ( Sign “-” was input after an address with which it cannot be used. Or two or more “-” signs were input)
007	Decimal point “-” input error.
009	Unusable character was input insignificant area.
010	An unusable G code was commanded.
011	Feedrate was not commanded to a cutting feed or the feedrate was inadequate.
014	In variable lead threading the lead incremental and decremental outputted by address K exceed the maximum command value or a command such that the lead becomes a negative value is given.
015	The number of the commanded axes exceeded that of simultaneously controlled axes.
021	An axis not included in the selected plane was commanded in circular interpolation.
023	In circular interpolation by radius designation negative value was commanded for address R.
029	The offset value is too large.
030	The offset number specified by * code for tool length offset (or cutter compensation is too large.)
031	In setting an offset amount by G10, the offset number following address P was excessive or it was not specified.
032	In setting an offset amount by G10, the offset amount was excessive.
033	A point of intersection cannot be determined for cutter compensation C/ Tool nose radius compensation.
034	The start up or cancel was going to be performed in the G02 or G03 mode in cutter compensation C/tool nose radius compensation.
035	G39 is commanded in cutter compensation B cancel mode or on the plane other than offset plane/Ship cutting (G31 was specified in tool nose radius compensation mode.
036	Skip cutting (G31) was specified in cutter compensation mode.
037	G40 ( offset cancel) is commanded at the plane other than the offset plane in cutter compensation B. The plane selected by using G17, G18, G19 is changed in cutter compensation C mode.
038	Overcutting will occur in cutter compensation C because the arc start point or end point coincides with the arc centre/Overcutting will occur in tool nose radius compensation C because the arc start point or end point coincides with the arc centre/
039	Chamfering or corner R was specified with a start up, a cancel, or switching between G41 and G42 in tool nose radius compensation. The program may cause overcutting to occur in chamfering or corner R.
040	Overcutting will occur in tool nose radius compensation in a canned cycle G90 or G94.
041	Overcutting will occur in cutter compensation C/ tool radius compensation.
044	One of G27 to G30 is commanded in canned cycle mode.
050	The chamfering or a corner R was specified in a block which includes a thread cutting command.
051	The block after a block containing a chamfering or a corner R specification was not a G01 command.
052	The move direction or the move amount in a block following chamfering or a corner R command was not adequate.
053	2 or more of I, K and R are directed in chamfering and corner radius R command or C or R does not come after a comma (,) in direct drawing dimension programming.
054	A block in which the chamfering or the corner R was specified includes a taper command.
055	The move distance in the block which includes the chamfering or the corner R specification is smaller than the chamfering amount
056	Both end point and angle are not designated in the next block command of the angle designation block (A_). I (K) is commanded to X axis ( Z axis) in chamfering command.
057	Block end point is not calculated correctly in direct dimension drawing programming.
058	Block end point is not found in direct dimension drawing programming.
059	The program with the selected number cannot be searched in external program number search.
060	Commanded sequence number was not found in the sequence number search.
061	Address P or Q is not specified in G70, G71, G72 or G73 command.
062	The depth of cut in G71 or G72 is zero or negative value. The repetitive count in G73 is zero or negative value. The negative value is specified to A1 or Ak in G74 or G75. A value other than zero is specified to Ad, though the relief direction in G74 or G75 is determined. Zero on a negative value is specified to the height of thread of depth of cut of 1st time in G76. The specified minimum depth of cut in G76 is greater than the height of thread. An unusable angle of tool tip is specified in G76.
063	The sequence number specified by address P in G70, G71, G72 or G73 command cannot be searched.
065	G00 or G01 is not commanded at the block with the sequence number which is specified in address P in G71, G72 or G73 command. Address Z (W) or X (U) was commanded in the block with a sequence number which is specified by address P in G71 or G72 respectively.
066	An allowable G code was commanded between two blocks specified by address P and Q in G71, G72, G73.
067	G70, G71, G72 or G73 command with address P and Q was specified in MDI mode.
069	The final move command in the blocks specified by P and Q of G70, G71, G72 and G73 ended with chamfering or corner R.
070	The memory area is insufficient.
071	The address to be searched was not found. Or the program with specified program number was not found in program number search.
072	The number of programs to be stored exceeded 63 or 125.
073	The commanded program number has already been used.
074	The program number is other than 1 to 9999.
076	Address P was not commanded in the block which includes an M98 or a G65 command.
077	The subprogram was called in three or five folds.
078	A program number or a sequence number which was specified by address P in the block which includes an M98, M99 or G66 was not found.
079	The contents of the program stored in the memory did not agree with that in tape in collection.
080	In the area specified by parameter E, the measuring position reach signal does not come on.
081	Automatic tool compensation was specified without a T code.
082	T code and automatic tool compensation were specified in the same block.
083	In automatic tool compensation an invalid axis was specified or the command is incremental.
085	When entering data in the memory by using ASR or Reader/puncher interface , an overrun, parity or framing error was generated. The number of bits or input data or setting of baud rate is incorrect.
086	When entering data in the memory by using Reader/puncher interface , the ready signal (DR) of reader/puncher was turned off/.
087	When entering data in the memory by using Reader/puncher interface , though the read terminate command is specified input is not interrupted after 10 characters read.
090	The reference point return cannot be performed normally because the reference point return start point is too close to the reference point or the speed is too slow.
092	The commanded axis by G27 did not return to the reference point.
094	P type cannot be specified when the program is restarted.
095	P type cannot be specified when the program is restarted.
096	P type cannot be specified when the program is restarted.
097	P type cannot be specified when the program is restarted
098	A command of the program restart was specified without the reference point return operation after power ON and emergency stop and G28 was found during search.
099	After completion of search in program restart, a move command is given with MDI.
100	Setting data PWE is set to 1. Turn it to 0 and reset the system.
101	The power was turned off while rewriting the contents of the memory in the part program storage and editing operation. When this alarm is generated set the data PWE to 1 and turn on the power while pushing DELETE to clear the memory.
111	The calculation result of macro instruction exceeds the allowable range.
112	Division by Zero was specified. ( including tan 90 degrees)
114	An undefined H code is designated in G65 block.
115	A value not defined as a variable number is designated.
116	The variable number designated with P is forbidden for assignment.
119	The argument of SQRT or BCD is negative.
122	The macro model call is specified in double.
125	In the block with G65, the unusable address was specified..
128	The sequence number specified in the brand command was not 0 to 9999. Or, it cannot be searched.
130	In 3rd axis control, a 3rd axis control command was given by PMC during Cf control. On the contrary an attempt was made for spindle indexing.
135	Without any spindle orientation, an attempt was made for spindle indexing.
136	A move command of other axes was specified to the same block as spindle indexing addresses C, H.
137	A move command of other axes was specified to the same block as M code related to spindle indexing.

Absolute Pulse Code (APC) Alarms

Alarm Code	Type	Description of Alarm/Error
3n0	nth-axis origin return	Manual reference position is required for the nth axis.
3n1	APC alarm: nth axis communication	nth axis communication error. Failure in data transmission.
3n2	APC alarm: nth axis over time	nth axis APC overtime error.
3n3	APC alarm: nth axis framing	nth axis APC overtime error. Failure in data transmission.
3n4	APC alarm: nth axis parity	nth axis APC Paraity error. Failure in data transmission.
3n5	APC alarm: nth axis pulse error	nth axis APC pulse error alarm.
3n6	APC alarm: ntha xis battery voltage 0	nth axis APC battery voltage has decreased to a low level so that data cannot be held.
3n7	APC alarm: nth axis battery low 1	nth axis axis APC battery voltage reached a level where the battery must be renewed
3n8	APC alarm: nth axis battery low 2	nth axis axis APC battery voltage reached a level where the battery must be renewed( including when power is OFF)
3n9	SPC ALARM: n AXIS PULSE CODER	The n axis ( axis 1-8) pulse coder has a fault.

Servo Alarms

Alarm Code	Type	Description of Alarm/Error
400	SERVO ALARM: 1, 2TH AXIS OVERLOAD	1-axis, 2-axis overload signal is on.
401	SERVO ALARM: 1, 2TH AXIS VRDY OFF	1-axis, 2-axis servo amplifier READY signal (DRDY) went off.
402	SERVO ALARM: 3, 4TH AXIS OVERLOAD	3 axis, 4 axis overload signal is on.
403	SERVO ALARM: 3, 4TH AXIS VRDY OFF	3-axis, 4 axis servo amplifier READY signal (DRDY) went off.
404	SERVO ALARM: n-TH AXIS VRDY ON	Even though the n-th axis ( axis 1-8) READY signal ( DRDY) is still on. Or, when the power was turned on, DRDY went on even though MCON was off.
405	SERVO ALARM: ZERO POINT RETURN FAULT	Position control system fault.
406	SERVO ALARM: 7, 8TH AXIS OVERLOAD 7TH, 8TH AXIS VRDY OFF	7-axis, 8-axis overload signal is on.
4n0	SERVO ALARM: n-TH AXIS -EXCESS ERROR	The position deviation value when the n-th axis stops is larger than the set value.
4n1	SERVO ALARM: n-AXIS-EXCESS ERROR	The position deviation value when the n-th axis stops is larger than the set value.
4n3	SERVO ALARM: n-th AXIS -LSI OVERFLOW	The contents of the error register for the n-th axis exceeded power.
4n4	SERVO ALARM: n-TH AXIS DETECTION RELATED ERROR	N-th axis digital servo system fault.
4n5	SERVO AALRM: n-TH AXIS- EXCESS SHIFT	A speed higher than 4000000 units/s was attempted to be set in the n-th axis.
4n6	SERVO ALARM: n-TH AXIS -DISCONNECTION	Position detection system fault in the n-th axis pulse coder ( disconnecton alarm).
4n7	SERVO ALARM: n-TH AXIS-PARAMETER INCORRECT	This alarm occurs when the n-th axis is in one of the conditions below: The value set in Parameter no 8n20 (motor form) is out of the specified limit. A proper value ( 111 or -111) is not set in parameter no 8n22.( motor revolution direction). Illegal data ( a value below 0, etc) was set in parameter No 8n23 ( number of speed feedback pulses per motor revolution) Illegal data ( a value below 0, etc) was set in parameter No 8n24 ( number of speed feedback pulses per motor revolution) Parameters No. 8n84 and No. 8n85 (flexible field gear rate) have not been set. An axis selection parameter ( from No.269 to 274 is incorrect. An overflow occured during parameter computation.
490	SERVO ALARM: 5TH AXIS OVERLOAD	5-axis, 6-axis overload signal is on.
491	SERVO ALARM: 5, 6TH AXIS VRDY ON	5-axis, 6-axis servo amplifier READY signal (DRDY) went off.
494	SERVO ALARM: 5, 6TH AXIS VRDY ON	The axis card ready signal ( MCON) for axes 5 and 6 is off, but the servo amplifier ready signal (DRDY) is not. Alternatively when the power is applied, the DRDY is on and the MCON is not.
495	SERVO ALARM: 5, 6TH AXIS ZERO POINT RETURN	This is a position control circuit error.

Overtravel Alarms

Alarm Code	Description of Alarm/Error
510	Overtravel to exceed the (+) stroke limit of the X-axis
511	Overtravel to exceed the (-) stroke limit of the X-axis
512	2nd stroke limit at + side of X axis was exceeded
513	2nd stroke limit at + side of X axis was exceeded
520	Overtravel to exceed the (+) stroke limit of Y axis (M) or Z-axis (T)
521	Overtravel to exceed the (-) stroke limit of Y axis (M) or Z-axis (T)
522	2nd stroke limit at + side of Z axis was exceeded
523	2nd stroke limit at – side of X axis was exceeded
530	Overtravel to exceed the (+) stroke limit of Z-axis
531	Overtravel to exceed the (-) stroke limit of Z-axis
540	Overtravel to exceed the (+) stroke limit of the 4th axis
541	Overtravel to exceed the (-) stroke limit of the 4th axis

Alarm in Fanuc PMC Model L/M

Alarm Code	Description of Alarm/Error
600	Interruption by illegal command is occurred
601	PMC RAM parity error is occured
602	PMC serial transmission error is occurred
603	PMC watch dog error is occurred
604	PMC ROM parity error is occurred
605	LADDER contents which can be stored in PMC is exceeded

Overheat Alarms

Alarm Code	Description of Alarm/Error
700	Master PCB is overheated
702	X, Y, (M), or Z axis servo motor is overheated
703	4th axis servo motor is overheated

System Alarms

Alarm Code	Type	Description of Alarm/Error
910	MAIN RAM PARITY	This RAM parity error is related to low-order-by-test.
911	MAIN RAM PARITY	This RAM parity error is related to the low-order bytes.
912	SHARED RAM PARITY	This RAM parity error is related to the low-order bytes of RAM shared with the digital servo circuit.
913	SHARED RAM PARITY	This parity error is related to high-order bytes of RAM shared with the digital servo cicuit.
914	SERVO RAM PARITY	This is a local RAM parity error in the digital servo circuit.
915	LADDER EDITING CASSETTE RAM PARITY	This RAM parity error is related to low order bytes of the ladder editing cassette.
916	LADDER EDITING CASSETTE RAM PARITY	This RAM parity error is related to the high order bytes of the ladder editing cassette.
920	WATCHDOG ALARM	This is a watchdog timer aalrm or a servo system alarm for axis 1 to 4.
921	SUB CPU WATCH DOG ALARM	This is a watchdog timer alarm related to the sub-CPU board or a servo system alarm for axis 5 or 6.
922	7/8 AXIS SERVO SYSYTEM ALARM	This is a servo system alarm related to axis 7 or 8.
930	CPU ERROR	Replace the master PC board.
940	PC BOARD INSTALLATION ERROR	PC board installation is incorrect. Check the specification of the PC board.
941	MEMORY PC BOARD CONNECTION ERROR	The memory PC board is not connected securely.
945	SERIAL SPINDLE COMMUNICATION ERROR	The hardware configuration is incorrect for the serial spindle, or a communication alarm occured.
946	SECOND SERIAL SPINDLE COMMUNICATION ERROR	Communication is impossible with the second serial spindle.
950	FUSE BLOWN ALARM	A fuse has blown
960	SUB CPU ERROR	This is a sub-CPU error.
998	ROM PARITY	This is a ROM parity error.

Bảng mã lỗi bộ điều khiển Fanuc 0i hay Oi

Alarm Code	Description of Alarm/Error
000	Re-apply the power after the parameter has been input
001	TH Alarm (A character with incorrect parity was input) Correct the tape
002	TV Alarm (The number of characters in a block is odd). This alarm is generated only when the TV check is effective
003	Data exceeding the maximum allowable number of digits was input
004	A numeral or the sign (-) was input without an address at the beginning of the block
005	The address was not followed by the appropriate data but was followed by another address of EOB code
006	Sign “-” input error (sign “-” was input after a address with which it can’t be used. Or two “-” signs were used).
007	Decimal Point “.” Input error (A decimal point was input after a address with which it can’t be used. Or input of two decimals).
008	The switch position of the tape reader was not AUTO (without reel) or REEL ON/REEL OFF (with reels).
009	Unusable character was input. (E).
010	A unusable G code was commanded. (The alarm is generated also when a G code with which the control is not equipped as an option is commanded).
011	Feed rate was not commanded at cutting feed or the feed rate was inadequate
015	The number of the commanded axes exceeded that of the allowable simultaneously controlled axis
017	The move commanded of the additional axis was commanded without equipping with an optional additional axis.
018	An additional axis was commanded with the other axis simultaneously.
021	The axis not included in the selected plane (by using G17, G18, G19) was commanded in circular interpolation.
022	In circular interpolation, radius designation was performed in the NC which is not equipped with the radius designation option.
023	In circular interpolation by radius designation, Zero was commanded for address R.
030	The tool offset number is too large for the D or H function.
031	In setting of offset amount by G10, The offset number following address P was excessive or it was not specified.
032	In setting of offset amount by G10, the offset amount was excessive.
035	Skip Cutting (G31) was commanded in cutter compensation mode.
036	G45-G48 (Tool Offset) was commanded in cutter compensation mode.
037	The selected (by using G17, G18 or G19) changed in cutter compensation mode.
038	Over cutting will occur in cutter compensation because the arc start point or end point coincides with arc center
041	Overcutting will occur in cutter compensation.
044	One of G27-G30 was commanded in canned cycle mode. In canned cycle mode, an ATC cycle (M06) is commanded.
045	An ATC cycle (M06) was commanded for the NC which is not equipped with optional reference point return feature.
046	Other than P2, P3 and P4 was specified in the 2^nd, 3^rd and 4^th reference point return commands.
047	G27 to G30 was commanded for and axis which does not have a reference point.
058	In 4-digit S code binary 12-bit/analogue output A, A command was specified exceeding the maximum or minimum number of spindle revolutions.
059	No program for selected work number is found (external work number select A function).
060	Commanded sequence number was not found in the sequence number search,
065	Scaling Magnification was specified as other than 1-99999.
066	Scaling was applied and as a result, movement value, coordinate value, circular arc radius, etc. exceed maximum programmable dimension.
067	G51 (scaling ON) was specified in cutter compensation mode.
070	The fanuc memory area is insufficient.
071	The address to be searched was not found.
072	The number of programs to be stored exceeds 95 or 191. (191 is a option)
073	The program number has already been used.
074	The program number is other then 1-9999
075	The program number or sequence number was not found at the start block of the program
076	The address P was commanded in the block with includes a M98 command.
077	The subprogram was called in triple
078	The sequence number which was specified by address P in the block which includes a M98 or M99 was not found
079	Memorized program and tape contents do not coincide
085	When storing data in memory by using ASR or RS232C interface, an over-run or framing error was generated
086	The signal level of RS232C interface was incorrect
087	When storing data in the memory by using the fanuc RS232 interface, the time required to store the data is insufficient.
090	The reference point return cannot be performed normally because the reference point return start point is to close to the reference point or one revolution signal is not input owing to a fault in the pulse coder.
091	Reference point return cannot be executed normally, because of the feed rate is too low to synchronize the one revolution signal of the pulse coder with the reference counter,
092	The axis designated by G27 did not return to reference point.
094	No P type can be specified for program restart (because after program interruption, coordinate system setting or ORIGIN, etc. was executed)
095	No P type can be specified for program restart (because after program interruption, external work zero point offset value changed)
096	No P type can be specified for program restart (because after program interruption, work zero point offset value changed).
097	No P type can be specified for program restart (because after program interruption, no automatic operation has been executed).
100	The switch to set parameters is on. Push the reset button after turning off the switch.
101	The power was turned off while rewriting the contents of memory in the part program storage & editing operation. To clear the memory when this alarm is generated turn on the power and push the DELETE and RESET buttons.
110	Absolute value of data of fixed point representation exceeds the upper bound (99999999).
111	Exponent of data of floating point representation exceeds the upper bound.
112	Divisor is 0
113	A function that cannot be used by user macro A is used
114	Format error except for
115	Value not defined as variable number is assigned
116	Left side of substituted sentence is a variable of prohibited substitution
118	Nesting of brackets exceeds the upper limit (5).
119	Argument of SQRT is negative , Or argument of BCD is negative
122	Nesting of macro exceeds the upper limit (4)
123	Macro control command is uded in tape mode
124	DO END is not 1:1 corresponding
125	Format error of (formula)
126	Not 1 £ n £ 3 in DO n
127	NC command and macro command are mixed
128	Not 0 £n £9999 in GO TO n
129	Unallowable address is used in .
130	In external data input, greater-address data contains an error
131	In external alarm message, five or more alarms have occurred
132	In external alarm message, clear, no corresponding alarm number exists
133	In external alarm message and in external operator message, smaller- address data contains an error
170	Programs of numbers 8000 – 8999 and 9000 – 9899 are being edited, But this alarm occurs only when parameter setting inhibits these programs to be edited. Error on Stroke Limit Switch
210	The movable part of machine touched the X Axis plus stroke limit switch
211	The movable part of machine touched the X Axis minus stroke limit switch
212	While the X Axis was moving in the plus direction, It entered into the forbidden area of the stored stroke limit 1
213	While the X Axis was moving in the minus direction, It entered into the forbidden area of the stored stroke limit 1
214	While the X Axis was moving in the plus direction, It entered into the forbidden area of the stored stroke limit 2
215	While the X Axis was moving in the minus direction, It entered into the forbidden area of the stored stroke limit 2
220	The movable part of the machine touched the Y axis plus stroke limit switch
221	The movable part of the machine touched the Y axis minus stroke limit switch.
222	While the Y axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 1
223	While the Y axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 1
224	While the Y axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 2
225	While the Y axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 2
230	The movable part of the machine touched the Z axis plus stroke limit switch
231	The movable part of the machine touched the Z axis minus stroke limit switch
232	While the Z axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 1
233	While the Z axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 1
234	While the Z axis was moving in the plus direction, it entered into the forbidden area of the stored stroke limit 2
235	While the Z axis was moving in the minus direction, it entered into the forbidden area of the stored stroke limit 2
240	The movable part of the machine touched the 4th axis plus stroke limit switch
241	The movable part of the machine touched the 4th axis minus stroke limit switch. Error on servo system
400	The control received the X, Y or Z axis overload signal
401	The READY signal (VRDY) of the X, Y or Z axis velocity control has turned off
402	The control received the 4^TH axis overload signal
403	The READY signal (VARY) of the 4^TH axis velocity control has turned off
404	The READY signal (VARY) of the X, Y or Z axis velocity control does not turn off even though the READY signal (PRDY) of the position control has turned offThe READY signal (VARY) of velocity control already on even though the READY signal (PRDY) of the position control is off yet at power on condition
405	In reference point return, reference point return is not performed in correctly by abnormality of NC control section or servo system. Perform manual reference point return again
410	The content of error register of the X axis is larger than the value allowed while the machine is stopped
411	The content of error register of the Y axis is larger than the value allowed while the machine is moving
412	Drift in X axis is excessive. (Exceeds 500VELO)
413	The content of the error register of the X axis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
414	The resolver/inductosyn position detecting system of X axis is trouble
415	A feed rate exceeding 511875 detection units/sec was commanded in the X axis. An incorrect setting of CMR causes this error
416	X axis pulse coder position feedback is abnormal. (Disconnection alarm)
420	The content of the error register of the Y axis is larger than the value allowed while the machine is stopped
421	The content of the error register of the Y axis is larger than the value allowed while the machine is moving
422	Drift in Y axis is excessive. (Exceeds 500VELO)
423	The content of the error register of the Y axis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
424	The DSCG position detecting system of the Y axis is trouble
425	A feed rate exceeding 511875 detection units/sec was commanded in the Y axis. An incorrect setting of CMR causes this error
426	Y axis Fanuc pulse coder position feedback is abnormal. (Disconnection alarm)
430	The content of the error register of the Z axis is larger than the value allowed while the machine is stopped
431	The content of the error register of the Z axis is larger than the value allowed while the machine is moving
432	Drift in Z axis is excessive. (Exceeds 500VELO)
433	The content of the error register of the Z axis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
434	The resolver/inductosyn position detecting system of Z axis is trouble
435	A feed rate exceeding 511875 detection units/sec was commanded in the Z axis. An incorrect setting of CMR causes this error
436	Z axis pulse coder position feedback is abnormal. (Disconnection alarm)
440	The content of the error register of the 4^TH axis is larger than the value allowed while the machine is stopped
441	The content of the error register of the 4^TH axis is larger than the value allowed while the machine is moving
442	Drift in 4^TH axis is excessive. (Exceeds 500VELO)
443	The content of the error register of the 4THaxis exceeded =32767. Or the velocity command value of the DA converter is out of the range of +8191~ – 8192. Incorrect settings will cause this alarm
444	The resolver/inductosyn position detecting system of the 4^TH axis is trouble
600	Data transferring error took place in the connection unit or in PC-model C
601	Slave relay was turned off. (Connections among unit, MDI/DPL (MDI/CRT) and master PCB are trouble. Also in another case change connection unit)
602	PC program has not yet been loaded
603	The correspondence between NC and PC is incorrect or interrupted. Change power sequence control PCB or master PCB
604	No hold is effective to PC-model B side MPU
605	A system error has occurred in PC-model B side MPU
606	RAM/ROM parity has occurred in PC-model B side MPU
607	Data transferring error took place in Fanuc MDI & CRT. Overheat alarm
700	Overheat of the master PCB
701	Overheat of the PCB for 4^TH axis
702	Overheat of DC motor for X, Y, Z axis
703	Overheat of DC motor for 4^TH axis. Errors on memory
900	Fault in bubble device. (Fault of input signal for bubble device)
901	Fault in bubble device.
902	Fault in bubble device. (Page size error, undefined command)
903	Fault in bubble device. (Transfer missing, page size over)
904	Fault in Fanuc bubble device. (Parity error)
905	Fault in bubble device. (No marker)
906	Fault in bubble device. (Many defect loops)
910	RAM parity error (low byte)
911	RAM parity error (high byte)
920	System error (watch dog timer alarm)
930	CPU error (0, 3, 4 type interrupt generation)
997	ROM parity error (PC ROM)
998	ROM parity error (Basic ROM)
999	ROM pair error (No correspondence between high and low)

Background Edit Alarm

Alarm Code	Type	Description of Alarm/Error
????	BP/S alarm	BP/S alarm occurs in the same number as the P/S alarm that occurs in ordinary program edit.
140	BP/S alarm	It was attempted to select or delete in the program being selected in the foreground. (Note)

Note: Alarm in background edit is displayed in the key input line of the background edit screen instead of the ordinary alarm screen and is resettable by any of the MDI key operation.

Absolute Coder Alarm

Alarm Code	Type	Description of Alarm/Error
300	APC alarm: nth-axis origin return	Manual reference position return is required for the nth axis (n=1-8)
301	APC alarm: nth-axis communication	nth axis (n=1-8) APC communication error. Failure in data transmission
302	APC alarm: nth-axis over time	nth axis (n=1-8) APC overtime error. Failure in data transmission
303	APC alarm: nth-axis framing	nth axis (n=1-8) APC framing error. Failure in data transmission
304	APC alarm: nth-axis parity	nth axis (n=1-8) APC parity error. Failure in data transmission.
305	APC alarm: nth-axis pulse error	nth axis (n=1-8) APC pulse error alarm
306	APC alarm: nth-axis battery voltage 0	nth axis (n=1-8) APC battery voltage has decreased to a low level so that the data cannot be held.
307	APC alarm: n-th axis battery low 1	nth axis (n=1-8) APC battery voltage has reached a level where the battery must be renewed.
308	APC alarm: nth axis battery low 2	nth axis (n=1-8) APC battery voltage has reached a level where the battery must be renewed. (including when the power is OFF)
309	APM ALARM: n AXIS ZRN IMPOSSIBL	Return to the origin has been attempted without first rotating the motor one or more times.

Inductsyn Alarms

Alarm Code	Type	Description of Alarm/Error
330	INDUCTOSYN: DATA ALARM	The absolute position data from Inductosyn cannot be detected.
331	INDUCTOSYN: ILLEGAL PRM	Parameter No 1874, 1875, or 1876 is set to 0.

Serial Pulse Coder Alarms

Alarm Code	Type	Description of Alarm/Error
360	n AXIS: ABNORMAL CHECKSUM (INT)	A checksum error occurred in the built in pulse coder
361	n AXIS: ABNORMAL PHASE DATA (INT)	A phase data error occurred in the built in pulse coder

362	n AXIS: ABNORMAL REV.DATA (INT)	A rotation speed count error occurred in the built in pulse coder
363	n AXIS: ABNORMAL CLOCK (INT)	A clock error occurred in the built in pulse coder

364	n AXIS: SOFT PHASE ALARM (INT)	The digital servo software detected invalid data in the built in pulse coder
365	n AXIS: BROKEN LED (INT)	An LED error occurred in the built in pulse coder
366	n AXIS: PULSE MISS (INT)	A pulse error occured in the built in pulse coder
367	n AXIS: COUNT MISS (INT)	A count error occured in the built in pulse coder
368	n AXIS: SERIAL DATA ERROR (INT)	Communication data from the built in pulse coder cannot be received
369	n AXIS: DATA TRANS. ERROR (INT)	A CRC or stop bit error occurred in the communication data being received from the built in pulse coder.
380	n AXIS: BROKEN LED (INT)	The LED of separate detector is erroneous
381	n AXIS: ABNORMAL PHASE (EXT INT)	A phase data error occurred in the separate linear scale
382	n AXIS: COUNT MISS (EXT)	A pulse error occurred in the separate detector
383	n AXIS: PULSE MISS (EXT)	A count error occurred in the separate detector
384	n AXIS: SOFT PHASE ALARM (EXT)	The digital servo software detected invalid data in the separate detector
385	n AXIS: SERIAL DATA ERROR (EXT)	Communication data from the separate detector cannot be received.
386	n AXIS: DATA TRANS. ERROR (EXT)	A CRC or stop bit error occurred in the communication data being received from the separate detector.
387	n AXIS: ABNORMAL ENCODER (EXT)	An error occurs in the separate detector.

Servo Alarms 1/2

Alarm Code	Type	Description of Alarm/Error
401	SERVO ALARM: n-TH AXIS VRDY OFF	The n-th axcis (1-8) servo amplifier READY signal (DRDY) went off.
402	SERVO ALARM: SV CARD NOT EXIST	The axis control card is not provided.
403	SERVO ALARM: CARD/SOFT MISMATCH	The combination of the axis control card and servo software is illegal.
404	SERVO ALARM: n-TH AXIS VRDY ON	Even though the n-th axis (axis 1-8) READY signal (MCON) went off the servo amplifier READY signal (DRDY) is still on. Or when the power as turned on, DRDY went on even though MCON was off.
405	SERVO ALARM: (ZERO POINT RETURN FAULT)	Position control system fault.
407	SERVO ALARM: EXCESS ERROR	The following error occurred during simple synchronous control: The difference in machine coordinates between the synchronized axes exceeds the value set in parameter No 8314.
409	SERVO ALARM: n AXIS TORQUE ALARM	Abnormal servo motor load has been detected. Alternatively abnormal spindle motor load has been detected in C’s mode.
410	SERVO ALARM: n-TH AXIS EXCESS ERROR	One of the following errors occurred: The positional deviation value when the n-th axis stops exceeds the value set in parameter No 1820. In simple synchronous control, the compensation amount for the synchronization exceeds the value set in parameter No 8325.
411	SERVO ALARM: n-TH AXIS EXCESS ERROR	The position deviation value when the n-th axis ( axis 1-8) moves is larger than the set value.
413	SERVO ALARM: n-TH LSI OVERFLOW	The contents of the error register for the n-th axis ( axis 1-8) exceeded + or -2 power 31. This error occurs as the result of improperly set parameters.
415	SERVO ALARM: n-TH AXIS EXCESS SHIFT	A speed higher than 524288000 unit/s was attempted to be set in the n-th axis ( axis 1-8). This error occurs as the result of improperly set CMR.
417	SERVO ALARM: n-TH AXIS PARAMETER INCORRECT	This alarm occurs when the n-th axis ( axis 1-8) is in one of the conditions listed below: The value set in Parameter No. 2020 is out of the specified limit. A proper value (111 0r -111) is not set in parameter No 2022. Illegal data ( a value below 0, etc) was set in parameter No 2023. Illegal data ( a value below 0, etc) was set in parameter No 2024. Parameters No 2084 and No 2085 have not been set. A value outside the limit of {1 to the number of control axes} or a non continuous value (Parameter 1023 contains a value out of the range from 1 to the number of axes, or an isolated value was set in parameter no 1023. A torque control parameter is set incorrectly in PMC axis control.
420	SERVO ALARM: n AXIS EXCESS SYNC TORQUE	During simple synchronous control, the difference between the torque commands for the master and slave axes exceeded the value set in parameter NO 2031.
421	SERVO ALARM: n AXIS EXCESS ER(D)	The difference between the errors in the semi closed loop and closed loop has become excessive during dual position feedback.
422	SERVO ALARM: n AXIS	In torque control of PMC axis control, a specified allowable speed has been exceeded.
423	SERVO ALARM: n AXIS	In torque control of PMC axis control, the parameter set allowable cumulative travel distance has been exceeded.
430	n-AXIS : SV. MOTOR OVERHEAT	A servo motor overheat occured.
431	n-AXIS : CNV. OVERLOAD	1. PSM: Overheat occured. 2. B series SVU: Overheat occured
432	n-AXIS : CNV. LOW VOLT CONTROL	1. PSM: Control power voltage has dropped. 2.PSMR. The control power supply voltage has dropped 3. B series SVU: The control power supply voltage has dropped
433	n-AXIS : CNV. LOW VOLT DC LINK	1. PSM: The DC Link voltage has dropped. 2. PSMR. The DC Link Voltage has dropped. 3. a series SVU: The DC Link Voltage has dropped. 4. b series SVU: The DC Link Voltage has dropped.
434	n-AXIS : INV. LOW VOLT CONTROL	SVM: The control power supply voltage has dropped.
435	n-AXIS : INV. LOW VOLT DC LINK	SVM: The DC voltage has dropped.
436	n-AXIS : SOFTTHERMAL (OVC)	The digital servo software detected the soft thermal state (OVC)
437	n-AXIS : CNV. OVERCURRENT POWER	PSM: Overcurrent flowed into the input circuit.
438	n-AXIS : INV. ABNORMAL CURRENT	1. SVM: the motor current is too high 2. a series SVU: The motor current is too high. 3. b series SVU: The motor current is too high.
439	n-AXIS : CNV. OVERVOLT POWER	1. PSM: The DC link voltage is too high 2. PSMR: The DC link voltage is too high 3. a series SVU: The C link voltage is too high. 3. b series SVU: The link voltage is too high.
440	n-AXIS : CNV. EX DECELERATION POW.	PSMR: The regenerative amount is too large. a series SVU: The regenerative discharge amount is too large/abnormal.
441	n-AXIS : ABNORMAL CURRENT OFFSET	The digital servo software detected an abnormality in the motor current detection circuit.
442	n-AXIS : CNV. CHARGE FAILURE	1. PSM: The spare discharge circuit of the DC link is abnormal. 2. PSMR: The spare discharge circuit of the DC link is abnormal.
443	n-AXIS : CNV. COOLING FAN FAILURE	1. PSM: The internal stirring fan failed. 2. PSMR: The internal stirring fan failed. 3. b series SVU: The internal stirring fan failed.
444	n-AXIS : INV. COOLING FAN FAILURE	SVM: The internal stirring fan failed.
445	n-AXIS : SOFT DISCONNECT ALARM	The digital servo software detected a broken wire in the pulse coder.
446	n-AXIS : HARD DISCONNECT ALARM	A broken wire in the built in pulse coder was detected by hardware.
447	n-AXIS : HARD DISCONNECT ( EXT)	A broken wire in the built in the separate detector was detected by hardware.
448	n-AXIS : UNMATCHED FEEDBACK ALARM	The sign of feedback data from the built in pulse coder differs from that of feedback data from the separate detector.
449	n-AXIS : INV. IPM ALARM	1. SVM: IPM detected an alarm 2. a series SVU: IPM detected an alarm
453	n-AXIS : SPC SOFT DISCONNECT ALARM	Software disconnection alarm of the a pulse coder.
456	ILLEGAL CURRENT LOOP	The current control cycle settings are incorrect.
457	ILLEGAL HI HRV (250US)	Use of high speed HRV is specified although the current control cycle is 200 us.
458	CURRENT LOOP ERROR	The current control cycle setting does not match the actual current control cycle.
459	HI HRV SETTING ERROR	Of two axes having adjacent servo axis numbers (parameter No 1023), odd number and even number, high speed HRV control can be performed for one axis and not for the other.
460	n AXIS: FSSB DISCONNECT	FSSB Communication was disconnected suddenly.
461	n AXIS: ILLEGAL AMP INTERFACE	The axes of the 2-axis amplifier were assigned to the fast type interface.
462	n AXIS: SEND CNC DATA FAILED	Because of of an FSSB communication error, a slave could not receive correct data.
463	n AXIS: SEND SLAVE DATA FAILED	Because of of an FSSB communication error, the servo system could not receive correct data.
464	n AXIS: WRITE ID DATA FAILED	An attempt was made to write maintenance information on the amplifier maintenance screen, but it failed.
465	n AXIS: READ ID DATA FAILED	At power-up, amplifier initial ID information could not be read.
466	n AXIS: MOTOR/AMP COMBINATION	The maximum current rating for the amplifier does not match the motor.
467	n AXIS: ILLEGAL SETTING OF AXIS	The servo function for the following has not been enabled when an axis occupying a single DSP is specified ion the axis setting screen.
468	HI HRV SETTING ERROR (AMP)	Use of high speed HRV is specified for a controlled axis of an amplifier which does not support high speed HRV.

Over Travel Alarms

Alarm Code	Type	Description of Alarm/Error
		A checksum error occurred in the built in pulse coder
		A phase data error occurred in the built in pulse coder

362	n AXIS: ABNORMAL REV.DATA (INT)	A rotation speed count error occurred in the built in pulse coder
363	n AXIS: ABNORMAL CLOCK (INT)	A clock error occurred in the built in pulse coder

364	n AXIS: SOFT PHASE ALARM (INT)	The digital servo software detected invalid data in the built in pulse coder
387	n AXIS: ABNORMAL ENCODER (EXT)	An error occurs in the separate detector.

Servo Alarms 2/2

Alarm Code	Type	Description of Alarm/Error
600	n AXIS: INV.DC LINK OVER CURRENT	DC Link current is too large
601	n AXIS: INV.RADIATOR FAN FAILURE	The external dissipator stirring fan failed
602	n AXIS: INV. OVERHEAT	The servo amplifier was overheated
603	n AXIS: INV.IPM ALARM (OH)	The IPM (intelligent power module) detected an overheat alarm.
604	n AXIS: AMP.COMMUNICATION ERROR	Communication between the SVM and the PSM failed.
605	n AXIS: CNV.EX.DISCHARGE POW.	PSMR: Regenerative power is too large.
606	n AXIS: CNV.RADIATOR FAN FAILURE	PSM: The external dissipator stirring fan failed. PSMR: The external dissipator stirring fan failed.
607	n AXIS: CNV.SINGLE PHASE FAILURE	PSM: Input voltage is in the open phase condition PSMR: Input voltage is in the open phase condition

Overheat Alarms

Alarm Code	Type	Description of Alarm/Error
700	OVERHEAT: CONTROL UNIT	Control unit overheat
701	OVERHEAT: FAN MOTOR	The fan motor on the top of the cabinet for the control unit is overheated.
704	OVERHEAT: SPINDLE	Spindle overheat in the spindle fluctuation detection

Rigid Tapping Alarms

Alarm Code	Type	Description of Alarm/Error
740	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the stopped spindle has exceeded the set value during rigid tapping.
741	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the moving spindle has exceeded the set value during rigid tapping.
742	RIGID TAP ALARM: LSI OVERFLOW	An LSI overflow has occured for the spindle during rigid tapping.

Overheat Alarms

Alarm Code	Type	Description of Alarm/Error
700	OVERHEAT: CONTROL UNIT	Control unit overheat
701	OVERHEAT: FAN MOTOR	The fan motor on the top of the cabinet for the control unit is overheated.
704	OVERHEAT: SPINDLE	Spindle overheat in the spindle fluctuation detection

Rigid Tapping Alarms

Alarm Code	Type	Description of Alarm/Error
740	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the stopped spindle has exceeded the set value during rigid tapping.
741	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the moving spindle has exceeded the set value during rigid tapping.
742	RIGID TAP ALARM: LSI OVERFLOW	An LSI overflow has occured for the spindle during rigid tapping.

Serial Spindle Alarms

Alarm Code	Type	Description of Alarm/Error
749	S-SPINDLE LSI ERROR	It is serial communication error while system is executing after power supply on.
750	SPINDLE SERIAL LINK START FAULT	The alarm is generated when the spindle control unit is not ready for starting correctly when the power is turned on in the system with the serial spindle.
752	FIRST SPINDLE MODE CHANGE FAULT	This alarm is generated if the system does not properly terminate a mode change. The modes include the Cs contouring , spindle positioning, rigid tapping, and spindle control modes. The alarm is activated if the spindle control unit does not respond correctly to the mode change command issued by the NC.
754	SPINDLE 1 ABNORMAL TORQUE ALM	Abnormal first spindle motor load has been detected.
762	SECOND SPINDLE MODE CHANGE FAULT	Refer to alarm No 752 for 2nd axis.
764	SPINDLE 2 ABNORMAL TORQUE ALM	Same as alarm No 754 for the second spindle.
772	SPINDLE 3 MODE CHANGE ERROR	Same as alarm No 752 for the third spindle
774	SPINDLE 3 ABNORMAL TORQUE ALM	Same as alarm No 754 for the third spindle
782	SPINDLE 4 MODE CHANGE ERROR	Same as alarm number 752 for the fourth spindle
784	SPINDLE 4 ABNORMAL TORQUE ALM	Same as alarm number 754 for the fourth spindle.

Bảng mã lỗi bộ điều khiển Fanuc 10 Fanuc 11 Fanuc 12

Alarm Code	Description of Alarm/Error
A	MDI connection failure Check optical cable connection and connector of CRT/MDI unit. Replace master PCB, MDI, PCB or optical fiber cable. Check optical interface (MDI/CRT-Master PCB)
C	MDI failure (incorrect ID number) Check the type (9″, 14″ etc.) of CRT/MDI unit of the edition number of NC software. Connection unit of operators panel or its connecting cable is defective. Change MDI/CRT, PCB, Operators I/O PCB.
E	System Error Loose contact at connector of PCBs to master PCB. Replace (1) Master PCB, (2) NC Software ROM, or (3) ROM board. Check message at CRT. No message at CRT- Clear all memory. Wrong combination of ROM chips in system. Check option Data Sheet against S/W ROM set. Wrong option parameters. May need extra RAM chips.
F	Connection failure of connection unit or I/O cards D1-D3. Check the opticla fiber cable connections or these units and connectors. Replace master PCB, connection unit, I/O cards D1-D3, or optical fiber cable. Optical Interface ( I/O- Master PCB). IF01A PCB plugged into wrong slot in I/O rack. Failed I/O module in I/O base unit.
H	Different type of above mentioned unit (incorrect ID number) Check the above inputs for their specified types or check the edition number of NC software. Connection of Conn.Unit 2 or its connecting cable (flat) is defective. Conn.Unit 1-2.
J	PC or interface converter does not function( while waiting for an answer). Check if PMC ROM cassette, PMC RAM board or interface comverter is mounted on master PCB: or replace the above PCB. Bad ladder or blank PMC cassette. Clear PMC RAM to correct.
L	Waiting for PMC ready Replace PMC ROM, PMC ROM cassette, or PMC Ram board. Check the PMC program ( bug in program). Loose contact at I/O module (pos.etc) connector to back panel
b	RAM check error. Transfer error through optical fiber cable. Replace the master PCB or ROM/RAM board additional memory. Wrong combination of ROM chips in system. Check Option Data Sheet against S/W ROM set. Check alarm LED of the units connected by optical fiber cable. Replace master PCB, MDI PCB, connection unit PCB, I/O unit, or optical fiber cable (replace PCB with alarm LED lit. )
c	( high failure rate ) Replace PMC RAM if using PC debug. (PMC RAM board). Loose connection of custom LSI’s on PCB’s. Wrong program in PMC RAM board. Clear RAM to correct. SW ( Write Enable ) of PMC RAM was OFF when turning power on. Problem with contact of connector of Master PCB to I/O unit. Problem with ACP board. Failure of System s/w EPROM’s. Failure of CRT/MDI power supply – check +5 on CA3, pins 4,5,6 or CP23, pins 1,2; +24 on CD1, pin 14 or CP23, pins 5,6
d	Get when NMI occurs continually. Either RAM Parity or the power off signal occurs Check cable J91 between the Input Unit and Power Supply Unit, or for a failed Input Unit. Replace master PCB, connection unit, I/O cards D1~D3, or optical fiber cable. Optical Interface ( I/O ~ Master PCB ). IF01A PCB plugged into wrong slot in I/O rack.
O	( IPL mode ) If unable to get out of IPL mode, change MDI PC
1	Normal operation in progress
4	Bad ACP daughter board Replace ACP daughter board
8	On first power up. Problem caused by clock, custom LSI, CPU, BAC, or master PCB Replace the appropriate board (master PCB)
	BLANK (All segments unlit) Power supply

Overheat Alarms

Alarm Code	Description of Alarm/Error
OH 000	MOTOR OVERHEAT
OH 001	LOCKER OVERHEAT

Graphic RAM Parity Alarms

Alarm Code	Description of Alarm/Error
SB 010	GRAPHIC ROM PARITY
SB 011	GRAPHIC ROM PARITY (WORK)
SB 011	GRAPHIC RAM PARITY (RED)
SB 011	GRAPHIC RAM PARITY (GREEN)
SB 011	GRAPHIC RAM PARITY (BLUE)

Parameter Alarms

Alarm Code	Description of Alarm/Error
SW 000	PARAMETER ENABLE SWITCH ON
SW010	BUBBLE FREE MODE AVAILABLE

PC Error Alarms

Alarm Code	Description of Alarm/Error
PC 010	PC ERROR
PC 020	PC ERROR
PC 030	PC ERROR
PC 500	WATCH DOG ALARM
PC 510	MIC TYPE MISS MATCH

Overheat Alarms

Alarm Code	Description of Alarm/Error
OT 001	+ OVERTRAVEL (SOFT 1 )
OT 002	– OVERTRAVEL (SOFT 1 )
OT 003	+ OVERTRAVEL (SOFT 2 )
OT 004	– OVERTRAVEL (SOFT 2 )
OT 005	+ OVERTRAVEL (SOFT 3 )
OT 006	– OVERTRAVEL (SOFT 3 )
OT 007	+ OVERTRAVEL (HARD)
OT 008	– OVERTRAVEL (HARD)
OT 0021	+ OVERTRAVEL (PRE CHECK)
OT 022	– OVERTRAVEL (PRE CHECK)

OT 032	NEED ZRN(ABS PCDR)
OT 100	SPINDLE ALARM
OT 101	SPINDLE MOTOR OVERHEAT
OT 102	EXCESS VELOCITY ERROR
OT 103	FUSE F7 BLEW
OT 104	FUSE F1,F2 OR F3 BLEW
OT 105	FUSE AF2 OR AF3 BLEW
OT 106	EXCESS VELOCITY DIGITAL
OT 107	EXCESS VELOCITY DIGITAL
OT 108	VOLTAGE (+24V) TOO HIGH

OT 109	POWER SEMICONDUCTOR OVERLOAD
OT 110	VOLTAGE (+15V) TOO LOW
OT 111	VOLTAGE EXCESS
OT 112	CURRENT EXCESS (DC LINK)
OT 114	ROM ERROR
OT 115	OPTION ALARM
OT 116	DISCONNECTION POS CODER
OT 120	UNASSIGNED ADDRESS (HIGH)
OT 121	UNASSIGNED ADDRESS (LOW)

OT 122	TOO MANY MESSAGE
OT 123	MESSAGE NUMBER NOT FOUND
OT 124	OUTPUT REQUEST ERROR
OT 125	TOO LARGE NUMBER
OT 126	SPECIFIED NUMBER NOT FOUND
OT 127	DI.EIDHW OUT OF RANGE
OT 128	DI.EIDLL OUT OF RANGE
OT 129	NEGATE POS CODER 1 REV ON
OT 130	SEARCH REQUEST NOT ACCEPTED
OT 132	RETURN ERROR (PTRR)
OT 150	A/D CONVERT ALARM
OT 151	A/D CONVERT ALARM

Servo Alarms

Alarm Code	Description of Alarm/Error
SV 000	TACOGENERATOR DISCONNECT
SV 001	EXCESS CURRENT IN SERVO
SV 002	BREAKER OFF
SV 003	ABNORMAL CURRENT IN SERVO
SV 004	EXCESS V TO MOTOR
SV 005	EXCESS DISCHARGE I FROM MOTOR
SV 006	VELCTY UNIT POWER TOO LOW
SV 008	EXCESS ERROR (STOP)
SV 009	EXCESS ERROR (MOVING)
SV 010	EXCESS DRIFT COMPENSATION
SV 011	LSI OVERFLOW
SV012	MOTION VALUE OVERFLOW
SV013	IMPROPER V READY OFF
SV014	IMPROPER V-READY ON
SV015	PULSE CODER DISCONNECT
SV017	ILL POSITION CONTROL LSI
SV018	UNFIT DSOG FREQUENCY
SV019	UNFIT PULSE OF PULSE CODER
SV020	UNFIT FASE SHIFT VALUE
SV021	UNFIT FASE SHIFT VALUE
SV 022	PULSE CODER 1 REV MISSING
SV 023	SV OVER LOAD
SV 025	V-READY ON
SV 026	ILLEGAL AXIS ARRANGE
SV 030	EMERGENCY STOP
SV 100	S-COMP VALUE OVERFLOW
SV 101	DATA ERROR (ABS PCDR)

Bảng mã lỗi bộ điều khiển fanuc 15

Alarm Code	Type	Description of Alarm/Fault
SV 000	TACHOGENERATER DISCONNECT	The tachogenerator is disconnected.
SV 001	EXCESS CURRENT IN SERVO	The servo motor was overloaded.
SV 002	BREAKER (FEED_CTL_UNIT) OFF	The breaker for the velocity control ciruit tripped.
SV 003	ABNORMAL CURRENT IN SERVO	Excessive current was detected in the velocity control circuit.
SV 004	EXCESS V TO MOTOR	Excessive current was detected in the velocity control circuit.
SV 005	EXCESS DISCHARGE I FROM MOTOR	Excessive discharge current from the motor was detected in the velocity control circuit.
SV 006	VELOCITY UNIT POWER TOO LOW	Low voltage was detected in the velocity control circuit.
SV 008	EXCESS ERROR ( STOP)	Position deviaton when stopped is larger than the value set in parameter No. 1829
SV 009	EXCESS ERROR (MOVING)	Position deviaton when stopped is larger than the value set in parameter No. 1828
SV 0010	EXCESS DRIFT COMPENSATION	Drift compensation is excessive ( exceeded 500VELO)
SV 011	LSI OVERFLOW	The value specified for position deviation compensation is not within the range of -32767 to +32767, or the command value of the D/A converter is not within the range of -8192 to +8192. In general, this alarm occurs to incorrect settings.
SV 012	MOTION VALUE OVERFLOW	A speed greater than 512,000 pulses per second ( frequency converted into detection units) was specified. In general, this alarm occurs to incorrect setting of parameter CMR or the feedrate.
SV 013	IMPROPER V-READY OFF	The speed control ready signal ( VRDY) went off even though the position control ready signal (PRDY) was on. When a multiaxis amplifier is being used, specifying controlled axis detatchment for any axis driven by the amplifier causes alarm SV013 to be issued from the other axes driven by that amplifier.
SV 014	IMPROPER V READY ON	The speed control ready signal (VRDY) went on even though the position control ready signal (PRDY) was off.
SV 015	PULSE CODER DISCONNECTED	The pulse coder is disconnected.
SV 017	ILL POSITION CONTROL LSI	A fault occured in the LSI for position control.
SV 018	INCORRECT DSCG FREQUENCY	A fault was detected in a resolver or inductsyn feedback frequency.
SV 019	INCORRECT PULSE CODER PULSE	A fault was detected in the feedback pulse from the pulse coder.
SV 020	INCORRECT PHASE SHIFT VALUE	The resolver or induction phase shift cannot be obtained correctly.
SV 021	1-REV PULSE SIGNAL INCORRECT	The single revolution signal for the pulse coder went on at an incorrect position
SV 022	1-REV PULSE MISSING	The single revolution signal for the pulse coder went on at an incorrect position
SV 023	SV OVERLOAD	A servo motor overloaded
SV 024	EXCESS ERROR ALARM 2	Alarm 2 for excess synchronous error was generated.
SV 025	V-READY ON (INITIALIZING)	During servo control, the speed control ready signal ( VRDY) is on even though it is supposed to be off.
SV 026	ILLEGAL AXIS ARRANGEMENT	Parameter NO. 1023 for specifying the arrangement of servo axes is set incorrectly.
SV 027	ILL DGTL SERVO PARAMETER	There is an illegal digital servo parameter. A correct motor model type is not set in parameter NO. 1874 The number of pulses per motor rotation is not set in parameter NO. 1876 The direction of motor rotation set in parameter NO. 1879 is neither 111 nor -111.
SV 030	EMERGENCY STOP	Emergency stop occured ) when ENR, a bit of parameter NO. 2001, is 1)
SV 031	EXCESS SPINDLE DIST ( SPDL)	Excess position deviation occured for the spindle during rigid tapping.
SV 032	LSI OVERFLOW (SPDL)	Data for the LSI used for spindle control overflowed during rigid tapping.
SV 050	ILLEGAL AXIS SYNCHRONZIATION	Parameter No. 1023 is set incorrectly.
SV 055		Parameter No. 1023 is set incorrectly.
SV 056		Bit#6 of parameter NO. 1817 is set incorrectly.
SV 99	SPINDLE AXIS ERROR	An amplifier alarm occured during spindle contour control.
SV 100	SACOMP, VALUE OVERFLOW	The value set for straightness compensation is not withink the range of -32767 to +32767.
SV 101	DATA ERROR (ABS PCDR)	A correct machine position cannot be obtained because the absolute pulse coder is faulty or the machine moved far during power on.
SV 110	PULSE CORDER ALARM (SERIAL A)	An error was detected in the serial pulse coder ( seriall C) or feedback cable.
SV 111	PULSE CORDER ALARM (SERIAL C)	The serial pulse coder is abnormal.
SV 114	ABNORMAL REV.DATA (SERIAL A)	The serial pulse coder (Serial A) is abnormal.
SV 115	ABNORMAL COMMUNICATION(SPLC)	A serial pulse coder communication failure occured.
SV 116	MCC WELDING ALARM	The contact of the magnectic contractor (MCC) in the servo amplifier has melted.
SV 117	ABNORMAL CURRENT OFFSET	Digital servo current conversion is abnormal.
SV 118	DETECT ABNORMAL TORQUE	An abnormal servo motor load was detected.
SV 119	DETECT ABNORMAL TORQUE (1ST SPDL)	An abnormal load was detected on the first spindle motor.
SV 125	EXCESS VELOCITY IN TORQUE	In torque control, the specified maximum allowable velocity was exceeded.
SV 126	EXCESS ERROR IN TORQUE	In torque control, the maximum allowable accumlated movement specified with a parameter was exceeded.
SV 323	DISCONNECT ALARM BY SOFT	Disconnection of the serial pulse coder was detected. ( Software)
SV 324	DISCONNECT ALARM BY HARD	Disconnection of the serial pulse coder was detected. ( Hardware)
SV 325	PULSE CODER ALARM1 (SPLC)	An abnormality was detected in the serial pulse coder or feedback cable ( Built in unit)
SV 326	PULSE CODER ALARM3 (SPLC)	An abnormality was detected in the serial pulse coder or feedback cable ( Built in unit)
SV 327	ABNORMAL REV.DATA (SPLC)	The serial pulse coder is abnormal. Replace the pulse coder ( Built in unit)
SV 330	ABNORMAL COMMUNICATION (SPLC)	A serial pulse coder communication error occured ( Built in unit)
SV 331	PULSE CODER ALARM2 (SPLC)	An abnormality was detected in the serial pulse coder or feedback cable. ( Built in unit)
SV 333	PULSE CODER ALARM4 (EX-LIN)	An abnormality was detected in the serial pulse coder or feedback cable. ( seperate linear)
SV 334	PULSE CODER ALARM5 (EX-ROT)	An abnormality was detected in the serial pulse coder or feedback cable. ( seperate rotary)
SV 335	ABNORMAL REV.DATA ( EX-ROT)	The serial pulse coder is abnormal.
SV 336	BATTERY ZERO (EX)	The serial pulse coder battery voltage is 0V. ( Seperate unit)
SV 338	DETECTOR OVERLOAD (EX)	The serial pulse coder is overloaded ( Seperate unit ).
SV 339	ABNORMAL COMMUNICATION ( EX)	A communication error occured in the serial pulse coder ( Seperate unit)
SV 340	PULSE CODER DISCONNECT ( EX)	Disconnection of the serial pulse coder was detected ( Seperate unit).

PC Error Alarms

Alarm Code
PC 010	PC ERROR	A parity error occured in a PMC ROM.
PC 020	PC ERROR	A parity error occured in a PMC RAM.
PC 030	PC ERROR	An I/O unit was not allocated correctly.
PC 500	WATCH DOG ALARM	A PMC watch dog alarm occured.

Memory File Alarms

Alarm Code	Type	Description of Alarm/Fault
IO 030	CHECK SUM ERROR	The check sum for a page of NC memory is incorrect.
IO 031	INVALID CODE	An invalid code was read from NC memory.
IO 032	OUT OF RANGE MEMORY	An attempt was made to read data from or write data to an address outsid of bubble memory.

Power Off Alarms

Alarm Code	Type	Description of Alarm/Fault
PW 000	POWER MUST BE OFF	A parameter was set for which the power must be turned off and then on again.
PW 100	ILLEGAL PARAMETER	The parameter for setting straightness compensation or the parameter for setting inclination compensation is specified incorrectly.

Graphic RAM Parity Alarms

Alarm Code	Type	Description of Alarm/Fault
SB 010	GRAPHIC RAM PARITY	A parity error occured in the graphic ROM .
SB 011	GRAPHIC RAM PARITY (WORK)	A parity error occured in the graphic work ROM.
SB 011	GRAPHIC RAM PARITY (RED)	A parity error occured in the RAM for red graphics.
SB 011	GRAPHIC RAM PARITY (GREEN)	A parity error occured in the RAM for green graphics.
SB 011	GRAPHIC RAM PARITY (BLUE)	A parity error occured in the RAM for blue graphics.

Parameter Alarms

Alarm Code	Type	Description of Alarm/Fault
SW 000	PARAMETER ENABLE SWITCH ON	Parameter setting is enabled. ( PWE, a bit of parameter NO. 8000 is 1)

Overtravel Alarms

Alarm Code	Type	Description of Alarm/Fault
OT 001	+ OVERTRAVEL (SOFT1)	Coordinates specified in an absolute or machine coordinate system are out of range.
OT 002	– OVERTRAVEL (SOFT1)
OT 003	+ OVERTRAVEL (SOFT1)
OT 004	– OVERTRAVEL (SOFT1)
OT 005	+ OVERTRAVEL (SOFT1)
OT 006	– OVERTRAVEL (SOFT1)
OT 007	+ OVERTRAVEL (SOFT1)
OT 008	– OVERTRAVEL (SOFT1)
OT 021	+ OVERTRAVEL (SOFT1)
OT 022	– OVERTRAVEL (SOFT1)
OT 030	EXCESS ERROR ALARM 1
OT 031	SYNCHRONIZE ADJUST MODE
OT 032	NEED ZRN (ABS PCDR)	The counter value of the absolute pulse coder does not match the machine coordinates.
OT 034	BATTERY ZERO (ABS PCDR)	The battery voltage of the absolute pulse coder is 0V.
OT 036	BATTERY DOWN (SPLC)	The battery voltage of the serial pulse coder is low.
OT 037	BATTERY DOWN (EX)	The battery voltage of the additional detector is low.
OT 038	BATTERY ZERO (SPLC)	The serial pulse coder battery voltage is 0V
OT 039	BATTERY ZERO (EX)	The serial pulse coder battery voltage is 0V
OT 100	SPINDLE ALARM	The serial pulse coder battery voltage is 0V
OT 101	SPINDLE MOTOR OVERHEAT	The spindle motor overheated
OT 102	EXCESS VELOCITY (ANALOG)
OT 103	FUSE F7 BLEW	Fuse F7 for the speed control unit of the spindle motor has blown.
OT 104	FUSE F1, F2, OR F3 BLEW	Fuse F1, F2, F3 for the speed control unit of the spindle motor has blown.
OT 105	FUSE AF2 OR AF3 BLEW	Fuse AF2 or AF3 for the speed control unit of the spindle motor has blown.
OT 106	EXCESS VELOCITY (ANALOG)	The speed of the spindle motor exceeded the max rating .
OT 107	EXCESS VELOCITY (DIGITAL)	The speed of the spindle motor exceeded the max rating .
OT 108	VOLTAGE (+24V) TOO HIGH	The voltage of thee 24V power supply for the speed control unit of the spindle is too high.
OT 109	POWER SEMICONDUCTOR OVERLOAD	The power semiconductor overheated.
OT 110	VOLTAGE (+15) TOO LOW	The voltage of the 15V power supply for the speed control unit of the spindle is too low.
OT 111	VOLTAGE EXCESS (DC LINK)	The voltage in the DC link for the speed control unit of the spindle motor is too high.
OT 112	CURRENT EXCESS LINK (DC LINK)	The current in the DC link for the speed control unit of the spindle motor is excessive.
OT 113	CPU ERROR	The CPU or peripheral circuit of the speed control unit of the spindle motor is faulty.
OT 114	ROM ERROR	The ROM of the speed control unit if the spindle motor is faulty.
OT 115	OPTION ALARM	Optional alarm for the spindle motor
OT 116	DISCONNECTION POS CODER	The position coder is disconnected
OT 117	SPINDLE OVERHEAT	Spindle alarm was detected by the function for detecting fluctuations in spindle speed.
OT 120	UNASSIGNED ADDRESS (HIGH)	The upper four bits (EIA4 to EIA7) of an external data I/O interface address signal are set to an undefined address (high bits).
OT 121	UNASSIGNED ADDRESS (LOW)	The lower four bits (EIA0 to EIA3) of an external data I/O interface address signal are set to an undefined address (low bits).
OT 122	TOO MANY MESSAGES	Requests were made to display more than four external operator messages or external alarm messages at the same time.
OT 123	MESSAGE NUMBER NOT FOUND	An external operator message or external alarm message cannot be cancelled because no message number is specified.
OT 124	OUTPUT REQUEST ERROR	An output request was used during external data output, or an output request was issued for an address that has no output data.
OT 125	TOO LARGE NUMBER	A number outside of the range 0 to 999 was specified as the number for an external operator message or an external alarm message.
OT 126	SPECIFIED NUMBER NOT FOUND	This alarm occurs in the following cases: The number specified for a program number or sequence number search during external data input could not be found. The number specified for a work piece number search could not be found. There was an I/O request issued for a pot number or offset, but either no tool numbers have been input since power on or there is no data for the entered tool number.
OT 127	DI.EIDHW OUT OF RANGE	The value input by external data input signals EID32 to EID47 is out of range.
OT 128	DI.EIDLL OUT OF RANGE	The value input by external data input signals EID0 to EID31 is out of range.
OT 129	NEGATE POS CODER 1 REV ON	The CPU or peripheral circuit of the position coder is faulty.
OT 130	SEARCH REQUEST NOT ACCEPTED	No request can be accepted for a program No or sequence No search because the system is not in memory mode or the reset state.
OT 131	EXT-DATA ERROR (OTHER)	An input request was received for a pot No or offset value while tool data was being registered with G10. An error occurred during reading or writing of tool data.
OT 132	RETURN ERROR (PTRR)	The tool did not return to the stored position along the axis in tool retraction mode.
OT 150	A/D CONVERT ALARM	The A/D converter is faulty
OT 151	A/D CONVERT ALARM	The A/D converter is faulty
OT 184	PARAMETER ERROR IN TORQUE	An invalid parameter was specified for torque control.
OT 200	INTERFERENCE DATA ERROR	The tool figure specified for the tool post interference check is incorrect.
OT 208	INTERFERENCE X1 MINUS	An interference alarm occurred while the first tool post was moving in the negative direction along the X axis
OT 209	INTERFERENCE X1 PLUS	An interference alarm occurred while the first tool post was moving in the positive direction along the X axis
OT 210	INTERFERENCE Z1 MINUS	An interference alarm occurred while the first tool post was moving in the negative direction along the Z axis
OT 211	INTERFERNCE Z1 PLUS	An interference alarm occurred while the first tool post was moving in the positive direction along the Z axis
OT 212	INTERFERENCE X2 MINUS	An interference alarm occurred while the second tool post was moving in the negative direction along the X axis
OT 213	INTERFERENCE X2 PLUS	An interference alarm occurred while the second tool post was moving in the positive direction along the X axis
OT 214	INTERFERENCE Z2 MINUS	An interference alarm occurred while the second tool post was moving in the positive negative along the Z axis
OT 215	INTERFERENCE Z2 PLUS	An interference alarm occurred while the second tool post was moving in the positive direction along the Z axis
OT 300	S-SPINDLE LSI ERROR	An error occurred in communication with spindle
OT 301	MOTOR OVERHEAT	Motor overheat
OT 302	EX DEVIATION SPEED	Excessive deviation in speed
OT 307	OVER SPEED	Excessive speed
OT 309	OVERHEAT MAIN CIRCUIT	Excessive load on the main circuit
OT 310	LOW VOLT INPUT POWER	Low voltage in the input power supply
OT 311	OVERVOLT POW CIRCUIT	Excessive voltage in the DC link
OT 312	OVERCURRENT POW CIRCUIT	Excessive current in the DC Link
OT 313	DATA MEMORY FAULT CPU	Error in CPU internal data memory
OT 318	SUMCHECK ERROR PGM DATA	Sum check error in ROM
OT 319	EX OFFSET CURRENT U	Excessive offset in U phase current detection circuit.
OT 320	EX OFFSET CURRENT V	Excessive offset in V phase current detection circuit.
OT 324	SERIAL TRANSFER ERROR	Error in serial data transfer
OT 325	SERIAL TRANSFER STOP	Serial data transfer was stopped
OT 326	DISCONNECT C-VELO DETECT	The Cs axis control speed detection signal is disconnected
OT 327	DISCONNECT POS-CODER	The position coder is disconnected
OT 328	DISCONNECT C-POS DETECT	The Cs axis control speed detection signal is disconnected
OT 329	OVERLOAD	Temp overload
OT 330	OVERCURRENT POWER CIRCUIT	Excessive current in input circuit
OT 331	MOTOR LOCK OR V-SIG LOS	The motor locked up alarm is issued or the speed detection signal is disconnected
OT 332	RAM FAULT SERIAL LSI	Faulty RAM exists in LSI for serial data transfer
OT 333	SHORTAGE POWER CHARGE	Insufficient power charge in DC link
OT 334	PARAMETER SETTING ERROR	Parameter data is out of range
OT 335	EX SETTING GEAR RATIO	An excessive gear ration was set
OT 336	OVERFLOW ERROR COUNTER	The error counter overflowed
OT 399	S-SPINDLE ERROR	Misc spindle amplifier alarm has occured
OT 512	EXCESS VELOCITY	The feedrate specified during polar coordinate interpolation mode was greater than the max cutting feedrate.
OT 513	SYNC EXCESS ERROR	The difference between the positional deviations for the synchronized axes during simple synchronization was greater than the limit set in the parameter.
OT 513	SYNC EXCESS ERROR	The difference between the master and the slave axes to be synchronized with each other has exceeded the maximum compensation.

SR Alarms

Alarm Code	Type	Description of Alarm/Fault
SR 160	INTERNAL DATA OVER FLOW	Coordinates specified in an absolute or machine coordinate system are out of range.
SR 310	H, S , C ERROR	G10.3, G11.3 or G65.3 is used incorrectly.
SR 311	H, S , C ERROR	A command not permitted during high speed machining was specified.
SR 312	H, S , C ERROR	Address P, Q or L is out of range.
SR 313	H, S , C ERROR	High speed machining data does not exist for the number that was called.
SR 314	H, S , C ERROR	No cluster exists for the number that was called.
SR 315	H, S , C ERROR	An attempt was made to register a number for which high speed machining data already exists.
SR 316	H, S , C ERROR	Memory is full.
SR 317	H, S , C ERROR	The maximum number of sets of high speed machining data has been registered.
SR 318	H, S , C ERROR	An attempt was made to register high speed machining data during background editing.
SR 319	H, S , C ERROR	There is an error in the format of high speed machining data.
SR 320	H, S , C ERROR	A macro interrupt occurred during high speed machining.
SR 424	OVER MAXIMAM TOOL DATA	An attempt was made to register new tool data even though the maximum number of sets of tool data has already been set.
SR 590	TH ERROR	TH alarm.
SR 591	TV ERROR	TV alarm
SR 592	END OF RECORD	EOR ( END OF RECORD) was specified partway though a block.
SR 600	PARAMETER OF RESTART ERROR	There is an error in the specification of the program restart parameter.
SR 805	ILLEGAL COMMAND	An attempt was made to used an illegal command for the reader /punch interface.
SR 806	DEVICE TYPE MISMATCH	An attempt was made to use a command which is invalid for the currently selected I/O device.
SR 807	PARAMETER SETTING ERROR	An I/O interface which was not selected as an option was specified, or the settings or parameters are set incorrectly.
SR 810	PTR NOT READY	The ready signal for the tape reader is off.
SR 812	OVERRUN ERROR (PTR)	The next character was received by the tape reader before it could read a previously received character.
SR 820	DR OFF (1)	The data set ready signal for reader/punch interface 1 went off.
SR 821	CD OFF (1)	The signal quality detection signal for reader /punch interface 1 went off.
SR 822	OVERRUN ERROR (1)	The next character was received by puncher/punch interface 1 before it could read a previously received character.
SR 823	FRAMING ERROR (1)	No stop bit was detected for a character received by reader/punch interface 1.

SR 824	BUFFER OVERFLOW(1)	The NHC received more than ten characters of data from reader/punch interface 1 even though NC sent a stop mode during data reception.
SR 830	DR OFF (2)	The data set ready signal for reader/punch interface 2 went off.
SR 831	CD OFF(2)	The signal quality detection signal for reader /punch interface 2 went off.
SR 832	OVERRUN ERROR(2)	The next character was received by reader/punch interface 2 before it could read a previously received character.
SR 833	FRAMING ERROR(2)	No stop bit was detected for a character received by the reader/punch interface 2
SR 834	BUFFER OVERFLOW(2)	The NC received more than ten characters of data from reader/punch interface 2 even though the NC sent a stop code during data reception.
SR 840	DR OFF(3)	The data set ready signal for reader/punch interface 2 went off.
SR 841	DC OFF (3)	The signal quality detection signal for reader/punch interface 3 went off.
SR 842	OVERRUN ERROR(3)	The next character was received by reader/punch interface 3 before it could read a previously read character.
SR 843	FRAMING ERROR(3)	No stop bit was detected for a character received by reader/punch interface 3.
SR 844	BUFFER OVERFLOW(3)	The NC received more than ten characters of data from reader/punch interface 3 even though the NC sent a stop code during data reception.
SR 860	DATA SET READY DOWN(ASR33/43)	The data set ready signal for the 20mA current loop interface went off.
SR 861	CARRIER DETECT DOWN(ASR33/43)	The signal quality detection signal for the 20mA current loop interface went off.
SR 862	OVERRUN ERROR(ASR33/43)	The next character was received by the 20mA current loop interface before it could read a previously received character.
SR 863	FRAMING ERROR(ASR33/43)	No stop bit was detected for a character received by the 20mA current loop interface.
SR 864	BUFFER OVERFLOW(ASR33/43)	The NC received more than ten characters of data from the 20mA current loop interface even though the NC sent a stop code during data reception.
SR 870	DATA SET READY DOWN	The data mode signal for the RS-422 interface went off.
SR 872	OVERRUN ERROR (RS422)	The next character was received by the RS-422 interface before it could read a previously received character.
SR 873	FRAMING ERROR (RS422)	No stop bit was detected for a character received by the RS-422 interface.
SR 874	BUFFER OVERFLOW (RS422)	The NC received more than ten characters of data fro the RS-422 interface even though the NC sent a stop code during data reception.
SR 880	NOT DRAWING	Communication cannot be made with the graphic CPU.
SR 890	CHECK SUM ERROR (G05)	A check sum error occured ( high speed remote buffer)

PMC Alarms

Alarm Code	Description of Alarm/Fault
ALARM NOTHING	Normal Status
ER00 PROGRAM DATA ERROR (ROM)	The sequence program in the ROM is not written correctly.
ER01 PROGRAM DATA ERROR (RAM)	The sequence program in the debugging RAM is defective
ER02 PROGRAM SIZE OVER	The size of sequence program exceeds the maximum size of LADDER (PMC-RC only)
ER03 PROGRAM SIZE ERROR (OPTION)	The size of sequence program exceeds the option specification size.
ER04 PMC TYPE UNMATCH	The PMC model setting of the sequence program is not corresponding to an actual model.
ER05 PMC MODULE TYPE ERROR	The module type of the PMC engine is not correct.
ER06 PROGRAM MODULE NOTHING	Both ROM for sequence program and the debugging RAM do not exist (PMC-RC only).
ER07 NO OPTION (LADDER STEP)	There is no step number option of LADDER.
ER 16 RAM CHECK ERROR (PROGRAM RAM)	The debugging RAM cannot be read/written normally.
ER17 PROGRAM PARITY	The parity error occured on the ROM for sequence program or the debugging RAM.
ER18 PROGRAM DATA ERROR BY I/O	Transferring the sequence program from offline programmer was interrupted by the power off etc.
ER19 LADDER DATA ERROR	Editing the LADDER was interrupted by the power off or by the switch to the CNC screen by the function key etc.

Background Edit Alarm

Alarm Code	Type	Description of Alarm/Fault
????	BP/S alarm	BP/S alarm occurs in the same number as the P/S alarm that occurs in ordinary program edit. ( 070, 071, 072, 073, 074, 085, 086, 087 etc)
140	BP/S alarm	It was attempted to select or delete in the background of a program being selected in the foreground ( Note: Use background editing correctly)

Note: Alarm in background is displayed in the key input line of the background edit screen instead of the ordinary alarm screen and is resettable by any of the MDI key operation.

Absolute Pulse Coder (APC) Alarm

Alarm Code	Type	Description of Alarm/Fault
300	nth-axis origin return	Manual reference position return is required for the nth axis (n=1-8)
301	APM alarm: nth axis communication	nth axis (n=1-8) APC communications error. Failure in data transmission.
302	APM alarm: nth axis over time	nth axis (n=1-8) APC overtime error. Failure in data transmission.
303	APM alarm: nth axis framing	nth axis (n=1-8) APC framing error. Failure in data transmission.
304	APM alarm: nth axis parity	nth axis (n=1-8) APC parity error. Failure in data transmission.
305	APM alarm: nth axis pulse error	nth axis (n=1-8) APC pulse error alarm. APC alarm.
306	APM alarm: nth axis battery voltage 0	nth axis (n=1-8) APC battery voltage has decreased to a low level so that the data cannot be held.
307	APM alarm: nth axis battery low 1	nth axis (n=1-8) APC battery voltage reaches a level where the battery must be renewed.
308	APM alarm: ntha xis battery low 2	nth axis (n=1-8) APC battery voltage has reached a level where the battery must be renewed. (including when the power is off).
309 (b) (c)	APC Alarm: n AXIS ZRN IMPOSSIBL	Return to the origin has been attempted without first rotating the motor one of more times. Before returning to the origin, rotate the motor one or more times then turn off the power.

Serial Pulse Coder (SPC) alarms

Alarm Code	Type	Description of Alarm/Fault
350	SPC ALARM: n AXIS PULSE CODER	The n axis ( axis 1-8) pulse coder has a fault.
351	SPC ALARM: n AXIS COMMUNICATION	n axis ( axis 1-8) serial pulse coder communciation error ( data transmission fault).

Servo Alarms

Alarm Code	Type	Description of Alarm/Fault
400	SERVO ALARM: n-TH AXIS OVERLOAD	The n-th axis (axis 1-8) overload signal is on.
401	SERVO ALARM: n-TH AXIS VRDY	The n-th xis (axis 1-8) servo amplifier READY signal (DRDY) went off.
404	SERVO ALARM: n-TH VRDY ON	Even though the n-th axis ( axis 1-8) READY signal (MCON) went off the servo amplifier READY signal (DRDY) is still on. Or when the power was turned on, DRDY went on even though MCON was off.
405	SERVO ALARM: ZERO POINT RETURN FAULT	Position control system fault. Due to an NC or servo system fault in the reference position return, there is the possiblity that the reference position return could not be executed correctly.
407	SERVO ALARM: EXCESS ERROR	The difference in synchronous axis position deviation exceeded the set value.
409 (b) (c)	SERVO ALARM: n AXIS TORQUE ALARM	Abnormal servo motor load has been detected. Alternatively, abnormal spindle motor load has been detected in Cs mode.
410	SERVO ALARM: n-TH AXIS EXCESS ERROR	The position deviation value when the n-th axis( axis 1-8) stops is larger than the set value.
411	SERVO ALARM: n-TH AXIS EXCESS ERROR	The position deviation value when the n-th axis( axis 1-8) moves is larger than the set value.
413	SERVO ALARM: n-TH AXIS LSI OVERFLOW	The contents of the error register for the n-th axis ( axis 1-8) exceeded + or -2 31 power. This error usually occurs due to the result of incorrectly set parameters.
414	SERVO ALARM: n-TH AXIS DETECTION RELATED ERROR	N-th axis ( axis 1-8) digital servo system fault.
415	SERVO ALARM: n-TH AXIS EXCESS SHIFT	A speed higher than 511875 units/s was attempted to be set in the n-th axis ( axis 1-8). This error occurs as the result of an improperly set CMR.
416	SERVO ALARM: n-TH AXIS DISCONNECTION	Position detection system fault in the n-th axis ( axis 1-8) pulse coder ( disconnection alarm).
417	SERVO ALARM: n-TH AXIS PARAMETER INCORRECT	This alarm occurs when the n-th axis ( axis 1-8) is in one of the conditions listed below ( Digital servo system alarm). The value set in Parameter No 2020 (motor form) is out of the specified limit. A proper value ( 111 0r -111) is not set in parameter No 2022 (motor revolution direction). Illegal data ( a value below 0, etc) was set in parameter N0.2023 ( number of speed feedback pulses per motor revolution). Illegal data ( a value below 0, etc) was set in parameter No.2024 ( number of position feedback pulses per motor revolution). Parameters No. 2084 and No.2085 ( flexible field gear rate) have not been set. A value outside the limit of {1 to the number of control axes} or a non continuous value ( Parameter 1023 ( servo axis number) contains a value out of the range from 1 to the number of axes, or an isolated value ( for example, 4 not preceeded by 3), was set in parameter No. 1023 ( servo axis number).
420 (b) (c)	SERVO ALARM: n AXIS SYNC TORQUE (M Series)	During simple synchronous control, the difference between the torque commands for the master and slave axes exceded the value set in parameter No 2031.
421 (b) (c)	SERVO ALARM: n AXIS EXCESSER (D)	The difference between the errors in the semi closed loop and closed loop has become excessive during dual positon feedback.

Over Travel Alarms

Alarm Code	Type	Description of Alarm/Fault
500	OVER TRAVEL: +n	Exceeded the n-th axis ( axis 1-8) + side stored stroke limit I.
501	OVER TRAVEL: -n	Exceeded the n-th axis ( axis 1-8) – side stored stroke limit I.
502	OVER TRAVEL: +n	Exceeded the n-th axis ( axis 1-8) + side stored stroke limit II.
503	OVER TRAVEL : -n	Exceeded the n-th axis ( axis 1-8) – side stored stroke limit II.
504	OVER TRAVEL: +n	Exceeded the n-th axis ( axis 1-8) + side stored stroke limit III.
505	OVER TRAVEL: -n	Exceeded the n-th axis ( axis 1-8) – side stored stroke limit III.
506	OVER TRAVEL: +n	Exceeded the n-th axis ( axis 1-8) + side hardware OT.
507	OVER TRAVEL: -n	Exceeded the n-th axis ( axis 1-8) – side hardware OT.
508	INTERFERENCE : +n	A tool moving in the positive direction along the n axis has fouled another tool post.
509	INTERFERENCE: -n	A tool moving in the negative direction along the n axis has fouled another tool post.
510	OVER TRAVEL: +n	Alarm for stroke check prior to movement. The end point specified in a block falls within the forbidden area defined with the stroke limit in the positive direction along the N axis. Correct the program.
511	OVER TRAVEL: -n	Alarm for stroke check prior to movement. The end point specified in a block falls within the forbidden area defined with the stroke limit in the negative direction along the N axis. Correct the program.

Overheat Alarms

Alarm Code	Type	Description of Alarm/Fault
700	OVERHEAT: CONTROL UNIT	Control unit overheat
701	OVERHEAT: FAN MOTOR	The fan motor on top of the cabinet for the control unit is overheated.
704	OVERHEAT: SPINDLE	Spindle overheat in the spindle fluctuation detection.

Rigid Tapping Alarms

740	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the stopped spindle has exceeded the set value during rigid tapping.
741	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the stopped spindle has exceeded the set value during rigid tapping.
742	RIGID TAP ALARM: LSI OVERFLOW	An LSI overflow has occured for the spindle during rigid tapping.

Serial Spindle Alarms

Alarm Code	Type	Description of Alarm/Fault
749	S-SPINDLE LSI ERROR	It is serial communication error while system is executing after power supply on.
750	SPINDLE SERIAL LINK START FAULT	This alarm is generated when the spindle control unit is not ready for starting correctly when the power is turned on in the system with the serial spindle.
751	FIRST SPINDLE ALARM DETECTION ( AL-XXX)	This alarm indicates in the NC that an alarm is generated in the spindle unit of the system with serial spindle. The alarm is displayed in form AL-XX ( XX is a number).
752	FIRST SPINDLE MODE CHANGE	This alarm is generated if the system does not properly terminate a mode change.
754	SPINDLE 1 ABNORMAL TORQUE ALARM	Abnormal first spindle motor load has been detected.
761	SECOND SPINDLE ALARM DETECTION (AL-XXX)	Refer to alarm No 751
762	SECOND SPINDLE MODE CHANGE FAULT	Refer to alarm No 752
764	SPINDLE-2 ABNORMAL TORQUE ALARM	Same as alarm No 754
771	SPINDLE-3 ALARM DETECT (AL-XXX)	Same as alarm No 751
772	SPINDLE- 3 MODE CHANGE ERROR	Same as alarm No 752
774	SPINDLE 3- ABNORMAL TORQUE ALARM	Same as alarm No 754

System Alarms ( These alarms cannot be reset with a reset key)

Alarm Code	Type	Description of Alarm/Fault
900	ROM PARITY	ROM parity error (CNC/OMM/Servo). Replace the number of ROM.
910	ROM PARITY : (4N)	RAM parity error in the tape memory RAM module. After this operation reset all the data including the parameters.
911	ROM PARITY : (4N+1)	RAM parity error in the tape memory RAM module.After this operation reset all the data including the parameters.
912	ROM PARITY : (4N+2)	RAM parity error in the tape memory RAM module. After this operation reset all the data including the parameters.
913	ROM PARITY : (4N+3)	RAM parity error in the tape memory RAM module. After this operation reset all the data including the parameters.
914 (b) (c)	SRAM PARITY: (2N)	A RAM parity error occured in RAM for part program storage or additional SRAM. Clear the memory, or replace the main CPU board or additional SRAM. Then set all data including parameters again.
915 (b) (c)	SRAM PARITY: (2+1)	A RAM parity error occured in RAM for part program storage or additional SRAM. Clear the memory, or replace the main CPU board or additional SRAM. Then set all data including parameters again.
916 (b) (c)	DRAM PARITY	RAM parity error in DRAM module. Replace the DRAM module.
920	SERVO ALARM (1/2 AXIS)	Servo alarm (3rd or 4th axis). A wathdog alarm or RAM parity error in the servo module occured. Replace the servo control module on the main CPU board.
920 (b)	SERVO ALARM (1/2/3/4 AXIS)	Servo alarm (1st to 4th axis). A wathdog alarm or RAM parity error in the servo module occured.
920 (c)	SERVO ALARM (MAIN)	Servo alarm (main CPU board). A watchdog alarm or a RAM parity error in the servo module occured. Replace the servo control module on the main CPU board.
921	SERVO ALARM (3/4 AXIS)	Servo alarm (3rd or 4th axis). A watchdog alarm or a RAM parity error in the servo module occured. Replace the servo control module on the main CPU board.
922	SERVO ALARM (5/6 AXIS)	Servo alarm (5th or 6th axis). A watchdog alarm or a RAM parity error in the servo module occured. Replace the servo control module on the option 2 board.
922 (b)	SERVO ALARM (5/6/7/8 AXIS)	Servo alarm (5th to 8th axis). A watchdog aalrm or a RAM parity error in the servo module occured.
922 (c)	SERVO ALARM (OPT2)	Servo alarm (option 2 board). A watchdog alarm or a RAM parity error in the servo module occured. Replace the servo control module on the option 2 board.
923	SERVO ALARM (7/8 AXIS)	Servo alarm (7th or 8th axis). A watchdog alarm or a RAM parity error in the servo module occured. Replace the servo control module on the option 2 board.
924	SERVO MODULE SETTING ERROR	The digital servo module is not installed. Check that the serbo module or servo interface module on the main CPU or option 2 board is mounted securely.
926 (b)	SERVO ALARM (1/2/3/4/5/6/ AXIS)	Servo alarm ( 1st to 6th axis). A watchdog alarm was issued, or a RAM parity error occured in the servo module.
930	CPU INTERRUPT	CPU error ( abnormal interrupt). The main CPC board is faulty.
945	SERIAL SPINDLE COMMUNICATION ERROR	Communications error occured in the serial spindle. The optical fiber maybe be disconnected.
950	PMC SYSTEM ALARM	Fault occured in the PMC. The PMC control module on the main CPU board or option 3 board may be faulty.
951	PMC-RT WATCH DOG ALARM	Fault occured in the PMC-RC ( watchdog alarm). Option 3 board may be faulty.
970	NMI OCCURED IN BOC	RAM parity error or NMI occured in the RMC-RB or PMC-RA2 module.
971	NMI OCCURED IN SLC	An alarm condition occured in the interface with an I/O unit. For PMC-RA1, PMC-RA2 and PMC-RB check that the PMC control module on the main CPU board is connected to the I/O unit securely. For PMC-RC, check that the PMC control module on the option 3 board is connected to the I/O unit is supplied with power and that the interface module is intact.
972	NMI OCCURED IN OTHER MODULE	NMI occured in a board other than the main CPU board.
973	NON MASK INTERRUPT	NMI occured for an unknown reason.
974 (b) (c)	F-BUS ERROR	FANUC BUS is error.
975 (b) (c)	BUS ERROR (MAIN)	MAIN CPU board is BUS error.

Background Edit Alarm

Alarm Code	Type	Description of Alarms/ Faults
???	BP/S alarm	BP/S alarm occurs in the same number as the P/S alarm that occurs in ordinary program edit.
140	BP/S alarm	It was attempted to select or delete in the background a program being selected in the foreground ( note)

Note: Alarm in background edit is displayed in the key input line of the background edit screen instead of the ordinary alarm screen and is resettable by any of the MDI key operation.

Absolute pulse coder (APC) alarm

Alarm Code	Type	Description of Alarms/ Faults
300*	nth axis origin return	Manual reference position return is required for the nth-axis (n=1-8)
301*	APC alarm: nth axis communication	nth axis (n=1-8) APC communication error. Failure in data transmission.
302*	APC alarm: nth axis over time	nth axis( n=1-8) APC overtime error. Failure in data transmission.
303*	APC alarm: nth axis framing	nth axis (n=1-8) APC framing error. Failure in Data transmission.
304*	APC alarm: nth axis parity	nth axis (n=1-8) APC parity error. Failure in Data transmission.
305*	APC alarm:nth axis pulse error	nth axis (n=1-8) APC pulse error alarm.
306*	APC alarm: nth axis battery voltage 0	nth axis (n=1-8) APC battery voltage has decreased to a low level so that the data cannot be held.
307*	APC alarm: nth axis battery low 1	nth axis (n=1-8) APC battery voltage reaches a level where the battery must be renewed.
308*	APM alarm: nth-axis battery low 2	nth axis (n=1-8) APC battery voltage has reached a level where the battery must be renewed ( including when the power is OFF).
309*	APC ALARM: n AXIS ZRN IMPOSSIBLE	Return to the origin has been attempted without first rotating the motor one or more times.

Serial Pulse Coder ( SPC) alarms

Alarm Code	Type	Description of Alarms/ Faults
360	n-AXIS: ABNORMAL CHECKSUM (INT)	A checksum error occured in the built in pulse coder.
361	n-AXIS: ABNORMAL PHASE DATA (INT)	A phase data error occured in the built in pulse coder.
362	n-AXIS: ABNORMAL REV.DATA (INT)	A rotation speed count error occured in the built in pulse coder.
363	n-AXIS: ABNORMAL CLOCK (INT)	A clock error occured in the built in pulse coder.
364	n-AXIS: SOFT PHASE ALARM(INT)	The digital servo software detected invalid data in the built in pulse coder.
365	n-AXIS: BROKEN LED (INT)	An LED error occured in the built in pulse coder.
366	n-AXIS: PULSE MISS (INT)	A pulse error occured in the built in pulse coder.
367	n-AXIS: COUNT MISS (INT)	A count error occured in the built in pulse coder.
368	n-AXIS: SERIAL DATA ERROR (INT)	Communication data from the built in pulse coder cannot be received.
369	n-AXIS: DATA TRANS; ERROR (INT)	A CRC or stop bit error occured in the communication data being received from the built in pulse coder.
380	n-AXIS: BROKEN LED (EXT)	The seperate detector is erroneous.
381	n-AXIS: ABNORMAL PHASE (EXT)	A phase data error occured in the seperate linear scale.
382	n-AXIS: COUNT MISS (EXT)	A pulse error occured in the seperate detector.
383	n-AXIS: PULSE MISS (EXT)	A count error occured in the seperate detector.
384	n-AXIS: SOFT PHASE ALARM(EXT)	The digital servo software detected invalid data in the seperate detector.
385	n-AXIS: SERIAL DATA ERROR (EXT)	Communication data from the seperate detector cannot be received.
386	n-AXIS: DATA TRANS. ERROR(EXT)	A CRC or stop bit error occured in the communication data being received from the seperate detector.
387*	n-AXIS: ABNORMAL ENCODER ( EXT)	An error occurs in the seperate detector.

Servo Alarms

Alarm Code	Type	Description of Alarms/ Faults
401	SERVO ALARM: n-TH AXIS VRDY OFF	The n-th axis (axis 1-8) servo amplifier READY signal (DRDY) went off.
402	SERVO ALARM: SV CARD NOT EXIST	The axis control card is not provided.
403	SERVO ALARM: CARD/SOFT MISMATCH	The combination of the axis control card and servo software is illegal.
404	SERVO ALARM: n-TH AXIS VRDY ON	Even though the n-th axis ( axis 1-8) READY signal (MCON) went off the servo amplifier READY signal (DRDY) is still on. Or when the power was turned on, DRDY went on even though MCON was off.
405	SERVO ALARM: (ZERO POINT RETURN FAULT)	Position control system fault. Due to an NC or servo system fault in the reference positon return, there is a possibility that the reference position return could not be executed properly.
407	SERVO ALARM: EXCESS ERROR	The difference in synchronous axis position deviation exceeded the set value.
409	SERVO ALARM: n XIS TORQUE ALARM	Abnormal servo motor load has been detected. Alternatively, abnormal spindle motor load has been detected in Cs mode.
410	SERVO ALARM: n-TH AXIS-EXCESS ERROR	The position deviation value when the n-th axis ( axis 1-8) stops is larger than the set value.
411	SERVO ALARM: n-TH AXIS- EXCESS OVERFLOW	The position deviation value when the n-th axis ( axis 1-8) moves is larger than the set value.
413	SERVO ALARM: n-th AXIS- LSI OVERFLOW	The contents of error register for the n-th axis ( axis 1-8) exceeded power.
415	SERVO ALARM: n-AXIS: EXCESS SHIFT	A speed higher than 524288000 units/s was attempted to be set in the n-th axis (axis 1-8).
417	SERVO ALARM: n-AXIS: PARAMETER INCORECT	This alarm occurs when the n-th axis is in one of the below states: (digital servo system alarm). The value set in Parameter NO. 2020( motor form) is out of teh specified limit. A proper value (111 or -111) is not set in parameter No. 2022 (motor revolution direction). Illegal data (a value below 0, etc) was set in parameter No. 2023 (number of position feedback pulses per motor revolution). Illegal data ( a value below 0 etc) was set in parameter No. 2024 (number of position feedback pulses per motor revolution). Parameters No. 2084 and No. 2085 ( flexible field gear rate) have not been set. A value outside the limit of {1 to the number of control axes) or a non continuous value ( Parameter 1023 ( servo axis number) contains a value out of the range from 1 to the number of axes, or an isolated value ( for example 4, not preceded by 3). was set in parameter No 1023 ( servo axis number).
420	SERVO ALARM: n-AXIS: SYNC TORQUE( M axis)	During simple synchronous control, the difference between the torque commands for the master and slave axes exceeded the value set in parameter no 2078 and2079.
421	SERVO ALARM: n-AXIS: EXCESSer (D)	The difference between the errors in the semi closed loop and closed loop has become excessive during the dual position feedback.
422	SERVO ALARM: n-AXIS	In torque control of PMC axis control, a specified allowable speed has been executed.
423	SERVO ALARM: n-AXIS	In torque control of PMC axis control, the parameter set allowable cumulative travel distance has been executed.
430	n AXIS: SV.MOTOR OVERHEAT	A servo motor overheat occured.
431	n AXIS: CNV. OVERLOAD	1. PSM : Overheat occured. 2. Beta series SVU: Overhead occured.
432	n AXIS: CNV.LOWVOLT CON./POWFAULT	1. PSM: Phase missing occured in the input voltage 2. PMSR: The control power supply voltage has dropped. 3. Alpha Series SVU: The control power supply voltage has dropped.
433	n AXIS: CNV: LOW VOLT DC LINK	PSM: The DC link voltage has dropped. PSMR: The DC link voltage has dropped. Alpha series SVU: The DC link voltage has dropped. Beta series SVU: The DC link voltage has dropped.
434	n AXIS: INV. LOW VOLT CONTROL	SVM: The control power supply voltage has dropped.
435	n AXIS: INV. LOW VOLT DC LINK	SVM: The DC Link Voltage has dropped.
436	n AXIS: SOFTTHERMAL (OVC)	The digital servo software detected the soft thermal state (OVC).
437	n AXIS: OVERCURRENT POWER	PSM: Overcurrent flowed into the input circuit.
438	n AXIS: INV: ABNORMAL CURRENT	1. SVM: The motor current is too high 2. Alpha series: The motor current is too high. 3. Beta series. The motor current is too high.
439	n AXIS:CNV. OVERVOLT POWER	1. PSM: The DC voltage is too high. 2. PSMR: The DC voltage is too high. 3. Alpha series SVU: The C link voltage is too high. 4. Beta serie SVU: The link voltage is too high.
440	n AXIS:CNV. EX DECELERATION POW.	1. PSMR: The regeneration discharge amount is too large. 2. Alpha series SVU: The regeneration discharge amount is too large. Alternatively, the regeneration discharge ciruit is abnormal.
441	n AXIS: ABNORMAL CURRENT OFFSET	The digital servo software detected an abnormality in the motor current detection circuit.
442	n AXIS: CNV. CHARGE FAULT/INV DB	1. PSM. The spare discharge circuit of the DC link is abnormal. 2. PSMR: The spare discharge circuit of the DC link is abnormal. 3. Alpha series SVU: The dynamic brake cicruit is abnormal.
443	n AXIS: COOLING FAN FAILURE	1. PSM: The internal stirring fan failed. 2. PSMR: The internal stirring fan failed. 3. Beta series SVU: The internal stirring fan failed.
444	n AXIS: COOLING FAN FAILURE	SVM: The internal stirring fan failed.
445	n AXIS: SOFT DISCONNECT ALARM	The digital servo software detected a broken wire in the pulse coder.
446	n AXIS: HARD DISCONNECT ALARM	A broken wire in the built in pulse coder was detected by hardware.
447	n AXIS: HARD DISCONNECT (EXT)	A broken wire in the seperate detector was detected by hardware.
448	n AXIS: UNMATCHED FEEDBACK ALARM	The sign of feedback data from the built in pulse coder differs from that of a feedback data from the seperate detector.
449	n AXIS: INV. IPM ALARM	1. SVM: IPM ( intelligent power module) detected an alarm. 2. Alpha series SVU: IPM ( intelligent power module) detected an alarm.
453*	n AXIS: SPC SOFT DISCONNECT ALARM	Software disconnection alarm of the a pulse coder.
460	n AXIS: FSSB DISCONNECT	FSSB communication was disconnected suddenly. The possible causes are as follows: 1. The FSSB communication cable was disconnected or broken. 2. The power to the amplifier was turned off suddenly. 3. A low voltage alarm was issued by the amplifier.
461	n AXIS: ILLEGAL AMP INTERFACE	The axes of the 2- axis amplifier were assigned to the fast type interface.
462	n AXIS: SEND CNC DATA FAILED	Because of an FSSB communication error, a slave could not receive correct data.
463	n AXIS: SEND SLAVE DATA FAILED	Because of an FSSB communication error, the servo system could not receive correct data.
464	n AXIS: WRITE ID DATA FAILED	An attempt was made to write maintenance informatio on the amplifier maintenance screen but it failed.
465	n AXIS: READ ID DATA FAILED	At power up, amplifier initial ID information could not be read.
466	n AXIS: MOTOR/AMP COMBINATION	The maximum current rating for the amplifer does not match that for the motor.
467	n AXIS: ILLEGAL SETTING OF AXIS	The servo function for the following has not been enabled when an axis occupying a single DSP ( corresponding to two ordinary axes) is specified on the axis setting screen. Learning control (bit 5 of parameter NO. 2008=1) High speed current loop (bit 0 of parameter NO.2004=1) High speed interface axis (bit 4 of parameter NO. 2005=1)

Over Travel Alarms

Alarm Code	Type	Description of Fault/Error
500	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) + side stored stroke check I.
501	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) – side stored stroke check I.
502	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) +side stored stroke check II.
503	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) – side stored stroke check II.
504	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) +side stored stroke check III
505	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) – side stored stroke check III
506	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) + side hardware OT.
507	OVER TRAVEL	Exceeded the n-th axis (axis 1-8) – side hardware OT.
508	INTERFERENCE	A tool moving in the positive direction along the n axis has fouled another tool post.
509	INTERFERNECE	A tool moving in the negative direction along the n axis has fouled another tool post.
510	OVER TRAVEL	Alarm for stroke check prior to movement. The end point specified in a block falls within the forbidden area defined with the stroke check in the positive direction along the N axis.
511	OVER TRAVEL	Alarm for stroke check prior to movement. The end point specified in a block falls within the forbidden area defined with the stroke check in the negative direction along the N axis.

Overheat Alarms

Alarm Code	Type	Description of Fault/Error
700	OVERHEAT: CONTROL UNIT	Control unit overheat.
701	OVERHEAT: FAN MOTOR	The fan motor on top of the cabinet for the control unit is overheated.
704	OVERHEAT: SPINDLE	Spindle overheat in the spindle fluctuation detection .

Rigid Tapping Alarms

Alarm Code	Type	Description of Fault/Error
740	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the stopped spindle has exceeded the set value during rigid tapping.
741	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the moving spindle has exceeded the set value during rigid tapping.
742	RIGID TAP ALARM: LSI OVERFLOW	An LSI overflow has occurred for the spindle during rigid tapping.

Serial Spindle Alarms Lỗi trục chính

Alarm Code	Type	Description of Fault/Error
749	S-SPINDLE LSI ERROR	It is serial communication error while system is executing after power supply is on.
750	SPINDLE SERIAL LINK START FAULT	This alarm is generated when the spindle control unit is not ready for starting correctly when the power is turned on in the system with the serial spindle.
752	FIRST SPINDLE MODE CHANGE FAULT	This alarm is generated if the system does not properly terminate a mode change. The modes include the Cs contouring, spindle positioning, rigid tapping and spindle control modes.
754	SPINDLE-1 ABNORMAL TORQUE	Abnormal first motor load has been detected
762	SECOND SPINDLE MODE CHANGE FAULT	Refer to alarm No 752 for the 2nd axis
764	SPINDLE-2 ABNORMAL TORQUE	Same as alarm number 754 for the second spindle
772	SPINDLE-3 MODE CHANGE ERROR	Same as alarm number 752 for the third spindle
774	SPINDLE 3 ABNORMAL TORQUE ALARM	Same as alarm number 754 for the third spindle
782	SPINDLE 4 MODE CHANGE ERROR	Same as alarm number 752 for the fourth spindle
784	SPINDLE 4 ABNORMAL TORQUE ALARM	Same as alarm number 754 for the fourth spindle

Lỗi hệ thống điều hành System Alarms * ( Model B )

Alarm Code	Type	Description of Fault/Error
900	ROM PARITY	A parity error ocured in the CNC, macro, or servo ROM.
910	SRAM PARITY: (BYTE 0 )	A RAM parity error occured in the part program storage RAM.
911	SRAM PARITY: (BYTE 1 )	A RAM parity error occured in the part program storage RAM.
912	DRAM PARITY: (BYTE 0 )	A RAM parity error occured in the DRAM module.
913	DRAM PARITY: (BYTE 1 )	A RAM parity error occured in the DRAM module.
914	DRAM PARITY: (BYTE 2 )	A RAM parity error occured in the DRAM module.
915	DRAM PARITY: (BYTE 3 )	A RAM parity error occured in the DRAM module.
916	DRAM PARITY: (BYTE 4 )	A RAM parity error occured in the DRAM module.
917	DRAM PARITY: (BYTE 5 )	A RAM parity error occured in the DRAM module.
918	DRAM PARITY: (BYTE 6 )	A RAM parity error occured in the DRAM module.
919	DRAM PARITY: (BYTE 7 )	A RAM parity error occured in the DRAM module.
920	SERVO ALARM ( 1-4 AXIS )	Servo alarm ( 1st to 4th axis). A watchdog alarm condition occured, or a RAM parity error occured in the axis control card.
921	SERVO ALARM ( 5-8 AXIS )	Servo alarm ( 5th to 8th axis). A watchdog alarm condition occured, or a RAM parity error occured in the axis control card.
926	FSSB ALARM	FSSB alarm.
930	CPU INTERRUPT	CPU error (abnormal interrupt).
935	SRAM ECC ERROR	An error occured in RAM for part program storage.
950	PMC SYSTEM ALARM PCxxx YYYYYYYYYYYY	An error occured in the PMC.
951	PMC WATCH DOG ALARM	An error occured in the PMC.
970	NMI OCCURED IN PMCLSI	With the PMC-SA1, an error occured in the PMC control LSI device on the motherboard ( I/O RAM parity).
971	NMI OCCURED IN SLC	With the PMC-SA1, an I/O Link disconnection was detected.
972	NMI OCCURED IN OTHER MODULE	An NMI occured on a board other than the motherboard.
973	NON MASK INTERRUPT	An NMI occured as a result of an unknown cause.
974	F-BUS ERROR	A bus error occured on the Fanuc Bus.
975	BUS ERROR	A bus error occure don the motherboard.
976	L-BUS ERROR	A bus error occured on the local bus.

Bảng mã lỗi bộ điều khiển FANUC 21

Program Errors/ Alarms on Program and Operation P/S Alarms

Alarm Code	Type
000	PLEASE TURN OFF POWER
001	TH PARITY ALARM
002	TV PARITY ALARM
003	TOO MANY DIGITS
004	ADDRESS NOT FOUND
005	NO DATA AFTER ADDRESS
006	ILLEGAL USE OF NEGATIVE SIGN
007	ILLEGAL USE OF DECIMAL POINT
009	ILLEGAL ADDRESS INPUT
010	IMPROPER G–CODE
011	NO FEEDRATE COMMANDED
014	CAN NOT COMMAND G95 (M series)
014	ILLEGAL LEAD COMMAND (T series)
015	TOO MANY AXES COMMANDED (M series)
015	TOO MANY AXES COMMANDED (T series)
020	OVER TOLERANCE OF RADIUS
021	ILLEGAL PLANE AXIS COMMANDED
022	NO CIRCLE RADIUS
023	ILLEGAL RADIUS COMMAND (T series)
025	CANNOT COMMAND F0 IN G02/G03 (M series)
027	NO AXES COMMANDED IN G43/G44 (M series)
028	ILLEGAL PLANE SELECT
029	ILLEGAL OFFSET VALUE (M series)
029	ILLEGAL OFFSET VALUE (T series)
030	ILLEGAL OFFSET NUMBER (M series)
030	ILLEGAL OFFSET NUMBER (T series)
031	ILLEGAL P COMMAND IN G10
032	ILLEGAL OFFSET VALUE IN G10
033	NO SOLUTION AT CRC (M series)
033	NO SOLUTION AT CRC (T series)
034	NO CIRC ALLOWED IN ST–UP /EXT BLK (M series)
034	NO CIRC ALLOWED IN ST–UP /EXT BLK (T series)
035	CAN NOT COMMANDED G31 (T series)
036	CAN NOT COMMANDED G31 (M series)
037	CAN NOT CHANGE PLANE IN CRC (M series)
037	CAN NOT CHANGE PLANE IN NRC (T series)
038	INTERFERENCE IN CIRCULAR BLOCK (M series)
038	INTERFERENCE IN CIRCULAR BLOCK (T series)
039	CHF/CNR NOT ALLOWED IN NRC (T series)
040	INTERFERENCE IN G90/G94 BLOCK (T series)
041	INTERFERENCE IN CRC (M series)
041	INTERFERENCE IN NRC (T series)
042	G45/G48 NOT ALLOWED IN CRC (M series)
044	G27–G30 NOT ALLOWED IN FIXED CYC (M series)
046	ILLEGAL REFERENCE RETURN COMMAND
050	CHF/CNR NOT ALLOWED IN THRD BLK (M series)
050	CHF/CNR NOT ALLOWED IN THRD BLK(T series)

051	MISSING MOVE AFTER CHF/CNR (M series)
051	MISSING MOVE AFTER CHF/CNR (T series)
052	CODE IS NOT G01 AFTER CHF/CNR (M series)
052	CODE IS NOT G01 AFTER CHF/CNR (T series)
053	TOO MANY ADDRESS COMMANDS (M series)
053	TOO MANY ADDRESS COMMANDS (T seires)
054	NO TAPER ALLOWED AFTER CHF/CNR (T series)
055	MISSING MOVE VALUE IN CHF/CNR (M series)
055	MISSING MOVE VALUE IN CHF/CNR (T series)
056	NO END POINT & ANGLE IN CHF/CNR (T series)
057	NO SOLUTION OF BLOCK END (T series)
058	END POINT NOT FOUND (M series)
058	END POINT NOT FOUND (T series)
059	PROGRAM NUMBER NOT FOUND
60	SEQUENCE NUMBER NOT FOUND
61	ADDRESS P/Q NOT FOUND IN G70–G73 (T series)
62	ILLEGAL COMMAND IN G71–G76 (T series)
63	SEQUENCE NUMBER NOT FOUND (T series)
64	SHAPE PROGRAM NOT MONOTONOUSLY (T series)
65	ILLEGAL COMMAND IN G71–G73 (T series)
66	IMPROPER G–CODE IN G71–G73 (T series)
67	CAN NOT ERROR IN MDI MODE (T series)
69	FORMAT ERROR IN G70–G73 (T series)
70	NO PROGRAM SPACE IN MEMORY
71	DATA NOT FOUND
72	TOO MANY PROGRAMS
73	PROGRAM NUMBER ALREADY IN
74	ILLEGAL PROGRAM NUMBER
75	PROTECT
76	ADDRESS P NOT DEFINED
77	SUB PROGRAM NESTING ERROR
78	NUMBER NOT FOUND
79	PROGRAM VERIFY ERROR
80	G37 ARRIVAL SIGNAL NOT ASSERTED (M series)
80	G37 ARRIVAL SIGNAL NOT ASSERTED (T series)
81	OFFSET NUMBER NOT FOUND IN G37 (M series)
81	OFFSET NUMBER NOT FOUND IN G37 (T series)
82	H–CODE NOT ALLOWED IN G37 (M series)
82	T–CODE NOT ALLOWED IN G37 (T series)
83	ILLEGAL AXIS COMMAND IN G37 (M series)
83	ILLEGAL AXIS COMMAND IN G37 (T series)
85	COMMUNICATION ERROR
86	DR SIGNAL OFF
87	BUFFER OVERFLOW
90	REFERENCE RETURN INCOMPLETE
91	REFERENCE RETURN INCOMPLETE
92	AXES NOT ON THE REFERENCE POINT
94	P TYPE NOT ALLOWED (COORD CHG)
95	P TYPE NOT ALLOWED (EXT OFS CHG)
96	P TYPE NOT ALLOWED (WRK OFS CHG)
97	P TYPE NOT ALLOWED (AUTO EXEC)
98	G28 FOUND IN SEQUENCE RETURN
99	MDI EXEC NOT ALLOWED AFT. SEARCH
100	PARAMETER WRITE ENABLE

101	PLEASE CLEAR MEMORY
110	DATA OVERFLOW
111	CALCULATED DATA OVERFLOW
112	DIVIDED BY ZERO
113	IMPROPER COMMAND
114	FORMAT ERROR IN MACRO
115	ILLEGAL VARIABLE NUMBER
116	WRITE PROTECTED VARIABLE
118	PARENTHESIS NESTING ERROR
119	ILLEGAL ARGUMENT
122	FOUR FOLD MACRO MODAL–CALL
123	CAN NOT USE MACRO COMMAND IN DNC
124	124 MISSING END STATEMENT
125	125 FORMAT ERROR IN MACRO
126	ILLEGAL LOOP NUMBER
127	NC, MACRO STATEMENT IN SAME BLOCK
128	ILLEGAL MACRO SEQUENCE NUMBER
129	ILLEGAL ARGUMENT ADDRESS
130	ILLEGAL AXIS OPERATION
131	TOO MANY EXTERNAL ALARM MESSAGES
132	132 ALARM NUMBER NOT FOUND
133	ILLEGAL DATA IN EXT. ALARM MSG
135	ILLEGAL ANGLE COMMAND (M series)
135	135 SPINDLE ORIENTATION PLEASE (T series)
136	ILLEGAL AXIS COMMAND (M series)
136	C/H–CODE & MOVE CMD IN SAME BLK. (T series)
137	M–CODE & MOVE CMD IN SAME BLK.
139	CAN NOT CHANGE PMC CONTROL AXIS
141	CAN NOT COMMAND G51 IN CRC (M series)
142	ILLEGAL SCALE RATE (M series)
143	SCALED MOTION DATA OVERFLOW (M series)
144	ILLEGAL PLANE SELECTED (M series)
145	ILLEGAL CONDITIONS IN POLAR COORDINATE INTERPOLATION
146	IMPROPER G CODE
148	ILLEGAL SETTING DATA (M series)
149	FORMAT ERROR IN G10L3 (M series)
150	ILLEGAL TOOL GROUP NUMBER

151	TOOL GROUP NUMBER NOT FOUND
152	NO SPACE FOR TOOL ENTRY
153	T–CODE NOT FOUND
154	NOT USING TOOL IN LIFE GROUP (M series)
155	ILLEGAL T–CODE IN M06 (M series)
155	ILLEGAL T–CODE IN M06 (T series
156	P/L COMMAND NOT FOUND
157	TOO MANY TOOL GROUPS
158	ILLEGAL TOOL LIFE DATA
159	TOOL DATA SETTING INCOMPLETE
175	ILLEGAL G107 COMMAND
176	IMPROPER G–CODE IN G107 (T series)
177	CHECK SUM ERROR (G05 MODE)
178	G05 COMMANDED IN G41/G42 MODE
179	PARAM. (NO. 7510) SETTING ERROR
180	COMMUNICATION ERROR (REMOTE BUF)
190	ILLEGAL AXIS SELECT (M series)
194	SPINDLE COMMAND IN SYNCHRO–MODE
195	MODE CHANGE ERROR
197	C–AXIS COMMANDED IN SPINDLE MODE
199	MACRO WORD UNDEFINED
200	ILLEGAL S CODE COMMAND

201	FEEDRATE NOT FOUND IN RIGID TAP
202	2 POSITION LSI OVERFLOW
203	PROGRAM MISS AT RIGID TAPPING
204	ILLEGAL AXIS OPERATION
205	RIGID MODE DI SIGNAL OFF
206	CAN NOT CHANGE PLANE (RIGID TAP) (M series)
210	CAN NOT COMMAND M198/M199
211	G31 (HIGH) NOT ALLOWED IN G99
212	ILLEGAL PLANE SELECT (M series)
212	ILLEGAL PLANE SELECT (T series)
213	ILLEGAL COMMAND IN SYNCHRO–MODE
214	ILLEGAL COMMAND IN SYNCHRO–MODE
217	DUPLICATE G51.2 (COMMANDS) (T series)
218	NOT FOUND P/Q COMMAND IN G251 (T series)
219	COMMAND G250/G251 INDEPENDENTLY (T series)
220	ILLEGAL COMMAND IN SYNCHR–MODE (T series)
221	ILLEGAL COMMAND IN SYNCHR–MODE (T series)
224	RETURN TO REFERENCE POINT (M series)
224	RETURN TO REFERENCE POINT (T series)
231	ILLEGAL FORMAT IN G10 OR L50
233	DEVICE BUSY
239	BP/S ALARM
240	BP/S ALARM
244	P/S ALARM (T series)
245	T–CODE NOT ALOWEE IN THIS BLOCK (T series)
253	G05 IS NOT AVAILABLE (M series)
5010	END OF RECORD
5014	TRACE DATA NOT FOUND (M series)
5020	PARAMETER OF RESTART ERROR
5030	ILLEGAL COMMAND (G100) (T series)
5031	ILLEGAL COMMAND (G100, G102, G103) (T series)
5032	NEW PRG REGISTERED IN B–AXS MOVE (T series)
5033	NO PROG SPACE IN MEMORY B–AXS (T series)
5034	PLURAL COMMAND IN G110 (T series)
5035	NO FEEDRATE COMMANDED B–AXS (T series)
5036	ADDRESS R NOT DEFINED IN G81–G86 (T series)
5037	ADDRESS Q NOT DEFINED IN G83 (T series)
5038	TOO MANY START M–CODE COMMAND (T series)
5039	START UNREGISTERED B–AXS PROG (T series)
5040	CAN NOT COMMANDED B–AXS MOVE (T series)
5041	CAN NOT COMMANDED G110 BLOCK (T series)
5044	G68 FORMAT ERROR (M series)
5074	ADDRESS DUPLICATION ERROR

Background Edit Alarms

Alarm Code	Type	Description of Alarm/Error
???	BP/S alarm	BP/S alarm occurs in the same number as the P/S alarm that occurs in ordinary program edit ( 070, 071, 072, 073, 074, 085, 086, 087 etc)
140	BP/S alarm	It was attempted to select or delete in the background a program being selected in the foreground. (Note)

Note: Alarm in background edit is displayed in the key input line of the background edit screen instead of the ordinary alarm screen and is resettable by any of the MDI key operation.

Absolute Pulse Code (APC) Alarms

Alarm Code	Type	Description of Alarm/Error
300	nth-axis origin return	Manual reference position is required for the nth-axis.(n=1-8)
301	APC alarm: nth axis communication	nth- axis communication error. (n=1-4)Failure in data transmission.
302	APC alarm: nth axis over time	nth- axis (n=1-4) APC overtime error.
303	APC alarm: nth axis framing	nth- axis (n=1-4) APC overtime error. Failure in data transmission.
304	APC alarm: nth axis parity	nth- axis (n=1-4) APC Paraity error. Failure in data transmission.
305	APC alarm: nth axis pulse error	nth- axis (n=1-4) APC pulse error alarm.
306	APC alarm: ntha xis battery voltage 0	nth- axis A(n=1-4) PC battery voltage has decreased to a low level so that data cannot be held.
307	APC alarm: nth axis battery low 1	nth- axis (n=1-4) axis APC battery voltage reached a level where the battery must be renewed
308	APC alarm: nth axis battery low 2	nth- axis (n=1-4) APC battery voltage reached a level where the battery must be renewed( including when power is OFF)
309	APC ALARM: n AXIS ZRN IMPOSSIBLE	An attempt was made to perform reference position return without rotating the motor through one or more turns.

Serial Pulse Coder (SPC) Alarms

Alarm Code	Type	Description of Alarm/Error
350	SPC ALARM: n AXIS PULSE CODER	The n axis (axis 1-4) pulse coder has fault.
351	SPC ALARM: n AXIS COMMUNICATION	n axis (axis 1-4) serial pulse coder communication error.

Lỗi fanuc Servo Alarms

Alarm Code	Type	Description of Alarm/Error
400	SERVO ALARM: n-TH AXIS OVERLOAD	The n-th axis ( axis 1-4) overload signal is on.
401	SERVO ALARM: n-TH AXIS VRDY OFF	The n-th axis ( axis 1-4) servo amplifier READY signal went off.
404	SERVO ALARM: n-TH AXIS VRDY ON	Even though the n-th axis ( axis 1-4) READY signal ( MCON) went off, the servo amplifier READY signal (DRDY) is still on. Or, when the power was turned on, DRDY went on even though MCON was off.
405	SERVO ALARM: ZERO POINT RETURN FAULT	Position control system fault. Due to an NC or servo system fault in the reference position return, there is the possibility that the reference position return could not be executed correctly.
407	SERVO ALARM:EXCESS ERROR	The difference in synchronous axis position deviation exceeded the set value.
409	TORQUEALM: EXCESS ERROR	An abnormal load on the servo motor was detected. Alternatively an abnormal load on the spindle motor was detected in Cs mode.
410	SERVO ALARM: n-th AXIS EXCESS ERROR	The position deviation value when the n-th axis (axis 1-4) stops is larger than the set value.
411	SERVO ALARM: n-TH AXIS EXCESS ERROR	The position deviation value when the n-th axis (axis 1-4) moves is larger than the set value.
413	SERVO ALARM: n-TH AXIS- LSI OVERFLOW	The contents of the error register for the n-th axis (axis 1-4) are beyond the range of to . This error usually occurs as the result of improperly set parameters.
414	SERVO ALARM: n-TH AXIS -DETECTION RELATED ERROR	N-th axis (axis 1-4_ digital servo system fault.
415	SERVO ALARM: n-TH AXIS-EXCESS SHIFT	A speed higher than 511875 unit/s was attempted to be set in the n-th axis ( axis 1-4). This error occurs as the result of improperly set CMR.
416	SERVO ALARM: n-TH AXIS-DISCONNECTION	Position detection system fault in the n-th axis ( axis 1-4) pulse coder ( disconnection alarm).
417	SERVO ALARM: n-TH AXIS-PARAMETER INCORRECT	This alarm occurs when the n-th axis ( axis 1-4) is in one of the conditions below: ( Digital servo system alarm) The value set in Parameter no 20200 (motor form) is out of the specified limit. A proper value ( 111 or -111) is not set in parameter no 2022.( motor revolution direction). Illegal data ( a value below 0, etc) was set in parameter No 2023 ( number of speed feedback pulses per motor revolution) Illegal data ( a value below 0, etc) was set in parameter No 2024 ( number of speed feedback pulses per motor revolution) Parameters No. 2084 and No. 2085 (flexible field gear rate) have not been set. A value outside the limit of {1 to the number of control axes) or a non continuous value ( parameter 1023( servo axis number) contains a value out of the range from 1 to the number or axes, or an isolated value ( for example 4, not preceeded by 3). was set in parameter No. 1023 ( servo axis number)
420	SYNC TORQUE@ EXCESS ERROR	When simple synchronous control is applied, the torque command difference between the master and slave axes exceeded the value set in parameter No. 2031.
421	EXCESS ER(D)’: EXCESS ERROR	When the dual position feedback function is being applied, an excessive difference was detected between a semi-closed lopp and closed loop error.
422	EXCESS ER(D)’: SPEED ERROR	The specified allowable speed has been exceeded while torque control for the PMC axis control is applied.
423	EXCESS ER(D)’: EXCESS ERROR	The allowable total amount of travel, set in a parameter has been exceeded while torque control for the PMC axis control is applied.

Lỗi fanuc quá hành trình Overtravel Alarms

Alarm Code	Type	Description of Alarm/Error
500	OVER TRAVEL: +n	Exceeded the n-th axis + side stored stroke limit I. (Parameter NO 1320 or 1326)
501	OVER TRAVEL: -n	Exceeded the n-th axis _ side stored stroke limit I. (Parameter NO 1321 or 1327)
502	OVER TRAVEL: +n	Exceeded the n-th axis + side stored stroke limit II. (Parameter NO 1322)
503	OVER TRAVEL: -n	Exceeded the n-th axis _ side stored stroke limit II. (Parameter NO 1323)
504	OVER TRAVEL: +n	Exceeded the n-th axis + side stored stroke limit III. (Parameter NO 1324)
505	OVER TRAVEL: -n	Exceeded the n-th axis _ side stored stroke limit III. (Parameter NO 1325)
506	OVER TRAVEL: +n	Exceeded the n-th axis + side hardware OT
507	OVER TRAVEL: -n	Exceeded the n-th axis _ side hardware OT

Lỗi fanuc quá nhiệt Overheat Alarms

Alarm Code	Type	Description of Alarm/Error
700	OVERHEAT: CONTROL UNIT	Control unit overheat
701	OVERHEAT: FAN MOTOR	The fan motor on top of the cabinet for the control unit is overheated
704	OVERHEAT: SPINDLE	Spindle overheat in the spindle fluctuation detection.

Rigid Tapping Alarms

Alarm Code	Type	Description of Alarm/Error
740	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the stopped spindle has exceeded the set value during rigid tapping.
741	RIGID TAP ALARM: EXCESS ERROR	The positional deviation of the moving spindle has exceeded the set value during rigid tapping.
742	RIGID TAP ALARM: LSI OVERFLOW	An LSI overflow has occurred for the spindle during rigid tapping.

Lỗi fanuc trục chính Serial Spindle Alarms

Alarm Code	Type	Description of Alarm/Error
749	S SPINDLE LSI ERROR	It is serial communication error while system is executing after power supply on.
750	SPINDLE SERIAL LINK START FAULT	This alarm is generated when the spindle control unit is not ready for starting correctly when the power is turned on in the system with the serial spindle.
751	FIRST SPINDLE ALARM DETECTION ( AL-XX)	This alarm indicates in the NC that an alarm is generated in the spindle unit of the system with serial spindle.
752	FIRST SPINDLE MODE CHANGE FAULT	This alarm is generated if the system does not properly terminate a mode change.
754	SPINDLE 1 ABNORMAL TORQUE ALARM	Abnormal first spindle motor load has been detected.
761	SECOND SPINDLE ALARM DETECTION (AL-XX)	Refer to alarm No 751 for 2nd axis.
762	SECOND SPINDLE MODE CHANGE FAULT	Refer to alarm No 752 for 2nd axis.
764	SPINDLE 2 ABNORMAL TORQUE ALARM	Refer to alarm No 754 for 2nd spindle

Lỗi hệ điều hành Fanuc System Alarms

Alarm Code	Type	Description of Alarm/Error
900	ROM PARITY	F-ROM parity error in a ROM file ( control software), such as CNC macro, or digital servo. The F-ROM module may be defective.
910	DRAM PARITY: (Low)	For an SRAM parity error, initialise the memory. If the error subsequently recurs, or in the case of a DRAM parity error, replace RAM module. Subsequently set the parameters and all other data again.
911	DRAM PARITY: (High)	For an SRAM parity error, initialise the memory. If the error subsequently recurs, or in the case of a DRAM parity error, replace RAM module. Subsequently set the parameters and all other data again.
912	SRAM PARITY: (Low)	For an SRAM parity error, initialise the memory. If the error subsequently recurs, or in the case of a DRAM parity error, replace RAM module. Subsequently set the parameters and all other data again.
913	SRAM PARITY: (High)	For an SRAM parity error, initialise the memory. If the error subsequently recurs, or in the case of a DRAM parity error, replace RAM module. Subsequently set the parameters and all other data again.
920	SERVO ALARM (1/2 AXIS)	Servo alarm (1st or 2nd axis). A watchdog alarm or a RAM parity error in the servo module occured.
921	SERVO ALARM (3/4 AXIS)	Servo alarm (3rd or 4th axis). A watchdog alarm or a RAM parity error in the servo module occured.
924	SERVO MODULE SETTING SERROR	The digital servo module is not installed. Check that the servo control module or servo interface module on the main board is mounted securely.
930	CPU INTERRUPT	CPU Error ( abnormal interrupt). The main board is faulty.
940	PCB ERROR	PCB ID error. The main board or the memory module may be defective.
950	PMC SYSYTEM ALARM	Fault occured in the PMC. The PMC control module on the main board or the RAM module may be defective.
971	NMI OCCURED IN SLC	An alarm condition occured in the interface with an I/O unit. Check the connection between the PMC control module on the main board and the I/O unit. Also, check that the power of the I/O unit is on and that the interface module is operating normally.
972	NMI OCCURED IN OTHER MODULE	NMI occured in a board other than the main board. The main board or the back panel may be defective.
973	NON MASK INTERRUPT	NMI occured for an unknown reason. The printed board of the power unit or the main board may be defctive. Or there my be noise interference.
974	BUS ERROR	Bus error. The main board may be defective

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Bộ điều khiển Fanuc

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Background Edit Alarm

Absolute Coder Alarm

Inductsyn Alarms

Serial Pulse Coder Alarms

Servo Alarms 1/2

Over Travel Alarms

Servo Alarms 2/2

Overheat Alarms

Rigid Tapping Alarms

Overheat Alarms

Rigid Tapping Alarms

Serial Spindle Alarms

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PMC Alarms

Background Edit Alarm

Absolute Pulse Coder (APC) Alarm

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Bảng mã lỗi bộ điều khiển FANUC 21

Program Errors/ Alarms on Program and Operation P/S Alarms

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Bảng mã lỗi bộ điều khiển fanuc seri 0

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Background Edit Alarm

Absolute Coder Alarm

Inductsyn Alarms

Serial Pulse Coder Alarms

Servo Alarms 1/2

Over Travel Alarms

Servo Alarms 2/2

Overheat Alarms

Rigid Tapping Alarms

Overheat Alarms

Rigid Tapping Alarms

Serial Spindle Alarms

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Bảng mã lỗi bộ điều khiển fanuc 15

PMC Alarms

Background Edit Alarm

Absolute Pulse Coder (APC) Alarm

Bảng mã lỗi bộ điều khiển FANUC 21

Program Errors/ Alarms on Program and Operation P/S Alarms

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