by Lakeside CNC Group Lakeside CNC Group

FANUC Series 0 Alarms and Error Codes

FANUC Series 0 Alarms and Error Codes

The following alarm codes pertain to the FANUC A06B-6062, A06B-6063, A06B-6064 series. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

Background Edit Alarms

Alarm CodeDescription 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.)
140An attempt was made to select or delete a program being selected in the foreground.

FANUC 0 Series Power Supply Alarms

Alarm CodeDescription of Alarm/Error
000A parameter which requires the power off was input, turn off power.
001TH alarm ( A character with incorrect parity was input.
002TV alarm ( The number if characters in a block is odd).
003Data exceeding the maximum allowable number of digits was input.
004A numeral of the sign “-” was input without an address at the beginning of a block.
005The address was not followed by the appropriate data but was not followed by another address or EOB code.
006Sign “-” 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.
010An unusable G code was commanded.
011Feedrate was not commanded to a cutting feed or the feedrate was inadequate.
014In 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.
015The number of the commanded axes exceeded that of simultaneously controlled axes.
021An axis not included in the selected plane was commanded in circular interpolation.
023In circular interpolation by radius designation negative value was commanded for address R.
029The offset value is too large.
030The offset number specified by * code for tool length offset.
031In setting an offset amount by G10, the offset number following address P was excessive or it was not specified.
032In setting an offset amount by G10, the offset amount was excessive.
033A point of intersection cannot be determined for cutter compensation C/ Tool nose radius compensation.
034The start up or cancel was going to be performed in the G02 or G03 mode in cutter compensation C/tool nose radius compensation.
035G39 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.
036Skip cutting (G31) was specified in cutter compensation mode.
037G40 ( offset cancel) is commanded at the plane other than the offset plane in cutter compensation B.
038Overcutting will occur in cutter compensation C because the arc start point or end point coincides with the arc centre
039Chamfering or corner R was specified with a start up, a cancel, or switching between G41 and G42 in tool nose radius compensation.
040Overcutting will occur in tool nose radius compensation in a canned cycle G90 or G94.
041Overcutting will occur in cutter compensation C/ tool radius compensation.
044One of G27 to G30 is commanded in canned cycle mode.
050The chamfering or a corner R was specified in a block which includes a thread cutting command.
051The block after a block containing a chamfering or a corner R specification was not a G01 command.
052The move direction  or the move amount in a block following chamfering  or a corner R command was not adequate.
0532 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.
054A block in which the chamfering or the  corner R was specified includes a taper command.
055The move distance in the block which includes the chamfering or the corner R specification is smaller than the chamfering amount
056Both end point and angle are not designated in the next block command of the angle designation block (A_).
057Block end point is not calculated correctly in direct dimension drawing programming.
058Block end point is not found in direct dimension drawing programming.
059The program with the selected number cannot be searched in external program number search.
060Commanded sequence number was not found in the sequence number search.
061Address P or Q is not specified in G70, G71, G72 or G73 command.
062The depth of  cut in G71 or G72 is zero or negative value.
063 The sequence number specified by address P in G70, G71, G72 or G73 command cannot be searched.
065G00 or G01  is not commanded at the block with the sequence number which is specified in address P in G71, G72 or G73 command.
066An allowable G code was commanded between two blocks specified by address P and Q in G71, G72, G73.
067G70, G71, G72 or G73 command with address P and Q was specified in MDI mode.
069The final move command in the blocks specified by P and Q of G70, G71, G72 and G73 ended with chamfering or corner R.
070The memory area is insufficient.
071The address to be searched was not found. Or the program with specified program number was not found in program number search.
072The number of programs to be stored exceeded 63 or 125.
073The commanded program number has already been used.
074The program number is other than 1 to 9999.
076Address P was not commanded in the block which includes an M98 or a G65 command.
077The subprogram was called in three or five folds.
078A 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.
079The contents of the program stored in the memory did not agree with that in tape in collection.
080In the area specified by parameter E, the measuring position reach signal does not come on.
081Automatic tool compensation was specified without a T code.
082T code and automatic tool compensation were specified in the same block.
083In automatic tool compensation an invalid axis was specified or the command is incremental.
085When 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.
086When entering data in the memory by using Reader/puncher interface , the ready signal (DR) of reader/puncher was turned off/.
087When 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.
090The 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.
092The 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
098A 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.
099After completion of search in program restart, a move command is given with MDI.
100Setting data PWE is set to 1. Turn it to 0 and reset the system.
101The power was turned off while rewriting the contents of the memory in the part program storage and editing operation.
111The calculation result of macro instruction exceeds the allowable range.
112Division by Zero was specified. ( including tan 90 degrees)
114An undefined H code is designated in G65 block.
115A value not defined as a variable number is designated.
116The variable number designated with P is forbidden for assignment.
119The argument of SQRT or BCD is negative.
122The macro model call is specified in double.
125In the block with G65, the unusable address was specified..
128The sequence number specified in the brand command was not 0 to 9999. Or, it cannot be searched.
130In 3rd axis control, a 3rd axis control command was given by PMC during Cf control.
135Without any spindle orientation, an attempt was made for spindle indexing.
136A move command of other axes was specified to the same block as spindle indexing addresses C, H.
137A move command of other axes was specified to the same block as M code related to spindle indexing.

FANUC 0 Series Absolute Pulse Coder (APC) Alarms

Alarm CodeTypeDescription
3n0nth-axis origin returnManual reference position is required for the nth axis.
3n1APC alarm: nth axis communicationnth axis communication error. Failure in data transmission.
3n2APC alarm: nth axis over timenth axis APC overtime error.
3n3APC alarm: nth axis framingnth axis APC overtime error. Failure in data transmission.
3n4APC alarm: nth axis paritynth axis APC Paraity error. Failure in data transmission.
3n5APC alarm: nth axis pulse errornth axis APC pulse error alarm.
3n6APC alarm: ntha xis battery voltage 0nth axis APC battery voltage has decreased to a low level so that data cannot be held.
3n7APC alarm: nth axis battery low 1nth axis axis APC battery voltage reached a level where the battery must be renewed
3n8APC alarm: nth axis battery low 2nth axis axis APC battery voltage reached a level where the battery must be renewed (including when power is OFF)
3n9SPC ALARM: n AXIS PULSE CODERThe n axis (axis 1-8) pulse coder has a fault.

FANUC Series 0 Servo Alarms

Alarm CodeTypeDescription of Alarm/Error
400SERVO ALARM: 1, 2th AXIS OVERLOAD1-axis, 2-axis overload signal is on.
401SERVO ALARM: 1, 2th AXIS VRDY OFF1-axis, 2-axis servo amplifier READY signal (DRDY) went off.
402SERVO ALARM: 3, 4th AXIS OVERLOAD3 axis, 4 axis overload signal is on.
403SERVO ALARM: 3, 4th AXIS VRDY OFF3-axis, 4 axis servo amplifier READY signal (DRDY) went off.
404SERVO ALARM: n-th AXIS VRDY ONEven 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.
405SERVO ALARM: ZERO POINT RETURN FAULTPosition control system fault.
406SERVO ALARM: 7, 8th AXIS OVERLOAD
7th, 8th AXIS VRDY OFF
7-axis, 8-axis overload signal is on.
4n0SERVO ALARM: n-th AXIS -EXCESS ERRORThe position deviation value when the n-th  axis stops is larger than the set value.
4n1SERVO ALARM: n-AXIS-EXCESS ERRORThe position deviation value when the n-th axis stops is larger than the set value.
4n3SERVO ALARM: n-th AXIS -LSI OVERFLOWThe contents of the error register for the n-th axis exceeded power.
4n4SERVO ALARM: n-th AXIS DETECTION RELATED ERRORN-th axis digital servo system fault.
4n5SERVO AALRM: n-th AXIS- EXCESS SHIFTA speed higher than 4000000 units/s was attempted to be set in the n-th axis.
4n6SERVO ALARM: n-th AXIS -DISCONNECTIONPosition detection system fault in the n-th axis pulse coder ( disconnecton alarm).
4n7SERVO ALARM: n-th AXIS-PARAMETER INCORRECTThis alarm occurs when the n-th axis is in one of the conditions below:
  1. The value set in Parameter no 8n20 (motor form) is out of the specified limit.
  2.  A proper value ( 111 or -111) is not set in parameter no 8n22.( motor revolution direction).
  3. Illegal data ( a value below 0, etc) was set in parameter No 8n23 ( number of speed feedback pulses per motor revolution).
  4. Illegal data ( a value below 0, etc) was set in parameter No 8n24 ( number of speed feedback pulses per motor revolution).
  5. Parameters No. 8n84 and No. 8n85 (flexible field gear rate) have not been set.
  6. An axis selection parameter ( from No.269 to 274 is incorrect.
  7. An overflow occured during parameter computation.
490SERVO ALARM: 5th AXIS OVERLOAD5-axis, 6-axis overload signal is on.
491SERVO ALARM: 5, 6th AXIS VRDY ON5-axis, 6-axis servo amplifier READY signal (DRDY) went off.
494SERVO ALARM: 5, 6th AXIS VRDY ONThe 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.
495SERVO ALARM: 5, 6th AXIS ZERO POINT RETURNThis is a position control circuit error.

FANUC Series 0 Overtravel Alarms

Alarm Code.Description of Alarm/Error
510Overtravel to exceed the (+) stroke limit of the X-axis.
511Overtravel to exceed the (-) stroke limit of the X-axis.
5122nd stroke limit at + side of X axis was exceeded.
5132nd stroke limit at + side of X axis was exceeded.
520Overtravel to exceed the (+) stroke limit of Y axis (M) or Z-axis (T).
521Overtravel to exceed the (-) stroke limit of Y axis (M) or Z-axis (T).
5222nd stroke limit at + side of Z axis was exceeded.
5232nd stroke limit at – side of X axis was exceeded.
530Overtravel to exceed the (+) stroke limit of Z-axis.
531Overtravel to exceed the (-) stroke limit of Z-axis.
540Overtravel to exceed the (+) stroke limit of the 4th axis.
541Overtravel to exceed the (-) stroke limit of the 4th axis.

FANUC Series 0 Programmable Machine Control (PMC), Models L/M Alarms

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

FANUC Series 0 Overheat Alarms

Alarm CodeDescription of Alarm/Error
700Master PCB is overheated.
702X, Y, (M), or Z axis servo motor is overheated.
7034th axis servo motor is overheated.

FANUC Series 0 System Alarms

Alarm CodeTypeDescription of Alarm/Error
910MAIN RAM PARITYThis RAM parity error is related to low-order-by-test.
911MAIN RAM PARITYThis RAM parity error is related to the low-order bytes.
912SHARED RAM PARITYThis RAM parity error is related to the low-order bytes of RAM shared with the digital servo circuit.
913SHARED RAM PARITYThis parity error is related to high-order bytes of RAM shared with the digital servo cicuit.
914SERVO RAM PARITYThis is a local RAM parity error in the digital servo circuit.
915LADDER EDITING CASSETTE RAM PARITYThis RAM parity error is related to low order bytes of the ladder editing cassette.
916LADDER EDITING CASSETTE RAM PARITYThis RAM parity error is related to the high order bytes of the ladder editing cassette.
920WATCHDOG ALARMThis is a watchdog timer aalrm or a servo system alarm for axis 1 to 4.
921SUB CPU WATCH DOG ALARMThis is a watchdog timer alarm related to the sub-CPU board or a servo system alarm for axis 5 or 6.
9227/8 AXIS SERVO SYSYTEM ALARMThis is a servo system alarm related to axis 7 or 8.
930CPU ERRORReplace the master PC board.
940PC BOARD INSTALLATION ERRORPC board installation is incorrect. Check the specification of the PC board.
941MEMORY PC BOARD CONNECTION ERRORThe memory PC board is not connected securely.
945SERIAL SPINDLE COMMUNICATION ERRORThe hardware configuration is incorrect for the serial spindle, or a communication alarm occured.
946SECOND SERIAL SPINDLE COMMUNICATION ERRORCommunication is impossible with the second serial spindle.
950FUSE BLOWN ALARMA fuse has blown.
960SUB CPU ERRORThis is a sub-CPU error.
998ROM PARITYThis is a ROM parity error.

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The aforementioned alarm codes pertain to the FANUC Series 0, such as A06B-6058, A06B-6057 units. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

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FANUC AC Serial Spindle A06B-6062, A06B-6063, A06B-6064 Alarms and Error Codes

FANUC AC Serial Spindle A06B-6062, A06B-6063, A06B-6064 Alarms and Error Codes

The following alarm codes pertain to the FANUC A06B-6062, A06B-6063, A06B-6064 series. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

Alarm CodeType
A displayProgram ROM abnormality.
01Motor Overheat.
02Excessive Speed deviation.
03DC Link section fuse blown.
04Input fuse blown / Input power open phase.
05Control Power Supply Fuse Blown.
07Excessive Speed.
08High input voltage.
09Excessive load on main circuit section.
10Low input voltage.
11Over-voltage in DC link section.
12Over current in DC link Section.
13CPU internal data memory abnormality.
15Spindle switch/output switch alarm.
16RAM abnormality.
18Program ROM sum check error.
19Excessive U Phase current detection circuit offset.
20Excessive U Phase current detection circuit offset.
24Serial transfer data error.
25Serial data transfer stopped.
26Disconnection of speed detection signal for Cs contouring control.
27Position coder signal disconnection.
28Disconnection of position detection signal for Cs contouring control.
29Short time overload.
30Input circuit overcurrent.
31Speed detection signal disconnection motor restraint alarm.
32Abnormality in RAM internal to LSI for serial data transfer.
33Insufficient DC link section charging.
34Parameter data setting beyond allowable range of values.
35Excessive gear ratio data setting.
36Error counter overflow.
37Speed detector parameter setting error.
39Alarm for indicating failure in detecting 1 rotation signal for Cs contouring control.
40Alarm for indicating 1 rotation signal for Cs contouring control not detected.
41Alarm for indicating failure in detecting position coder 1 rotation signal.
42Alarm for indicating position coder 1 rotation signal not detected.
43Alarm for indicating disconnection of position coder signal for differential speed mode.
46Alarm for indicating failure in detecting position coder 1-rotation signal in thread cutting operation.
47Position coder signal abnormality.
48Position coder 1 rotation signal abnormality.
49The converted differential speed is too high.
50Excessive speed command calculation value in spindle synchronization control.
51Under-voltage at DC link section.
52ITP signal abnormality I.
53ITP signal abnormality II.
54Overload current alarm.
55Power line abnormality in spindle switching/output switching.

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The aforementioned alarm codes pertain to the FANUC A06B-6062, A06B-6063, and A06B-6064 series. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

by Lakeside CNC Group Lakeside CNC Group

FANUC AC Spindle I Series A06B-6060 Alarms and Error Codes

FANUC AC Spindle I Series A06B-6060 Alarms and Error Codes

The following alarm codes pertain to the FANUC I series (part numbers started from A06B-6060). Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

Alarm CodeType
1Motor or radiator overheat.
2Excessive deviation of speed.
3+24 V fuse is blown.
6Over speed detection (digital detection).
7Over speed detection (digital detection).
8Over Voltage.
10Low input power  voltage.
11Over voltage of DC Link.
12Over current of DC Link.
13Abnormal logic circuit.
14Defective ROM.
16-23Defective Logic circuit or peripherals.
No IndicationDefective ROM.

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The following alarm codes pertain to the FANUC S series (part numbers started from A06B-6059). Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

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FANUC AC Spindle S Series A06B-6059 Alarms and Error Codes

FANUC AC Spindle S Series A06B-6059 Alarms and Error Codes

The following alarm codes pertain to the FANUC S series (part numbers started from A06B-6059). Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

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The following alarm codes pertain to the FANUC S series (part numbers started from A06B-6059). Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

Alarm CodeType
1Motor overheat.
2 Excessive deviation of speed.
3+24 V fuse is blown.
4Open phase of input power.
6Over speed detection (analog detection).
7Over speed detection (digital detection).
8Over Voltage.
9Overheat of radiator.
10Low input power  voltage.
11Over voltage of DC Link.
12Over current of DC Link.
13Defective Arithmetic circuit.
14Defective ROM.
15Defective optional circuit.
16-23Defective arithmetic circuit and peripheral circuit.
No IndicationDefective ROM.

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The following alarm codes pertain to the FANUC S series (part numbers started from A06B-6059). Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

by Lakeside CNC Group Lakeside CNC Group

FANUC AC Spindle Amplifier Alarms for A06B-6044, A06B-6052, A06B-6055 Series

FANUC AC Spindle Amplifier Alarms for A06B-6044, A06B-6052, A06B-6055 Series

The following alarm and error codes are for early FANUC  Series, such as A06B-6044, A06B-6052, A06B-6055. Knowing your alarm code could help us provide you with the fast and precise evaluation for repair or exchange services.

Alarm CodeDescription of Alarm/Error
1Motor is overheated ( theromostat operates)
2Speed is deviated from the command value due to overload and other.
3Fuse 7 in DC link is blown out.
4Fuses F1, F2, or F3 in AC input circuit are blown out.
5Fuse AF2 or AF3 on PCB is blown out.
6The motor speed exceeds the maximum rated speed( analog system detection).
7The motor speed exceeds the maximum rated speed( digital system detection)
8Power voltage ( +24V is higher than specified.
9Radiator for power semiconductors is overheated.
10+15V power voltage is abnormally low.
11DC link voltage is abnormally high.
12DC link current is flowing excessively.
13CPU and peripheral parts are defective.
14ROM is defective.
15Option circuit is in trouble.
16CPU defective.
17NVRam issues.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC  A06B-6044, A06B-6052, or A06B-6055 Series unit. Call 630-616-0039 or fill up a contact form.

by Lakeside CNC Group Lakeside CNC Group

FANUC AC Servo Amplifier Alarms for C Series A06B-6066

FANUC AC Servo Amplifier Alarms for C Series A06B-6066

The following alarm and error codes are for FANUC C Series A06B-6066  servo amplifier units. Knowing your alarm code could help us provide you with the fast and precise evaluation for repair or exchange services.

Alarm CodeTypeDescription of Alarm/Error
1HV (Overvoltage Alarm)If DC voltage of main circuit power supply is abnormally high, over voltage alarm occurs.
2LV5V (Control power supply undervoltage)Alarm occurs if control circuit power supply voltage (+5V) is abnormally low.
3LVDC (DC Link undervoltage alarm)Alarm occurs if DC voltage of main circuit power supply is abnormally low.
 4DCSW (Regenerative control circuit abnormality)Alarm occurs when short time regeneration discharge energy is too high.
 5DCOH (Excessive regenerative discharge alarm)Alarm occurs when average regenerative discharge energy is too high.
 6OH (Servo amplifier overheat)Alarm occurs when thermostat in amplifier operate.
 7MCC (Magnetic contractor welding alarm)Alarm occurs when magnetic contactor contact welds.
 8HCL (Overcurrent alarm)Alarm occurs when abnormally high current flows in main circuit of 1-axis amplifier or in main circuit of L axis of 2-axis amplifier.
9HCM (Overcurrent alarm)Alarm occurs when abnormally high current flows in main circuity of M axis of 2-axis amplifier.
bHCLM (Overcurrent alarm)Alarm occurs when abnormally high current flows in main cirucits of L and M axes of 2 axis amplifier.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC  A06B-6066 C Series unit. Call 630-616-0039 or fill up a contact form.

by Lakeside CNC Group Lakeside CNC Group

FANUC AC Axis Unit Alarms for A06B-6050 Series

FANUC AC Axis Unit Alarms for A06B-6050 Series

The following alarm codes are for FANUC AC Axis Unit Alarms for A06B-6050 Series. Knowing your alarm code could help us provide you with the fast and precise evaluation for repair or exchange services.

TypeIndications
Overload.Contacts signal comes out at connector CN1.
Velocity feedback disconnection detection.Light-emitting diode (LED) TG lights.
No use breaker.On button of NFB is protruded.
High voltage alarm.LED HV lights.
 Low voltage alarm.LED LV lights.
Circuit Fault detection.LED HC lights.

LED DC lights.

Overcurrent alarm.LEC OVC lights.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC  A06B-6047 Series unit. Call 630-616-0039 or fill up a contact form.

by Lakeside CNC Group Lakeside CNC Group

FANUC Beta I Servo Power Module A06B-6134 and A06B-6164 Error Codes

FANUC Beta I Servo Power Module A06B-6134 and A06B-6164 Error Codes

The following alarm codes are for FANUC Beta I Servo Power Module Alarms for series A06B-6134 and A06B-6164. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC Beta I A06B-6134 and A06B-6164 Series units. Call 630-616-0039 or fill up a contact form.

Servo Amplifier Module Alarms

Alarm Code.Description of Alarm/Error
1Inverter: Internal cooling fan stopped.
2Inverter: Control power supply under voltage.
5Inverter: DC link under voltage.
6Inverter: Overheat.
FInverter: Cooling fan stopped.
8.Inverter: IPM alarm (L axis).
9.Inverter: IPM alarm (M axis).
A.Inverter: IPM alarm (N axis).
8.Inverter: IPM alarm (OH) (L axis).
9.Inverter: IPM alarm (OH) (M axis).
A.Inverter: IPM alarm (OH) (N axis).
bInverter: motor current alarm (L-axis).
cInverter: motor current alarm (M-axis).
dInverter: motor current alarm (N-axis).
UInverter: FSSB communication error (COP10B).
Alarm CodeDescription of Alarm/Error.
STATUS2 Alarm Code 2Inverter: Control power supply undervoltage.
STATUS2 Alarm Code 5Inverter: DC link undervoltage.
STATUS2 Alarm Code 6Inverter: Overheat.
STATUS2 Alarm Code PCommunication error between amplifier modules.
STATUS2 Alarm Code –
STATUS1 Alarm Code  33
The main circuit capacitor was not recharged within the specified time.
STATUS2 Alarm Codes, 8, 9 and AInverter: IPM alarm.
STATUS2 Alarm Codes, 8, 9 and AInverter: IPM alarm (OH).
STATUS2 Alarm Code, b, c and dInverter: DC link current alarm.
STATUS2 Alarm Code UInverter: FSSB communication error.

If an alarm occurs in the spindle amplifier module the ALM LED lights red in the STATUS 1 display, and the two digit 7 segment LEDs will indicate the alarm code:

Alarm CodeDescription of Alarm/Error
01The inside temperature of the motor is higher than the specified temperature.
02The actual motor speed is largely deviated from the commanded speed.
06The temperature sensor is abnormal. Or the temperature sensor cable is broken.
07The motor rotates at a speed exceeding 115% of the maximum allowable speed.
09The temperature of the heat sink has risen abnormally.
12An excessively large current flowed into the main circuit.
15This alarm is issued only when output switching control or spindle switching control is used.
18A sum check is abnormal.
19 & 20The offset voltage of the phase U (alarm code 19) or phase V (alarm code 20) current detection is excessively high.
21The specified polarity of the position sensor is incorrect.
24Serial communication data transferred between the CNC and SVPM contain an error.
27The signal of the a position coder is disconnected.
29An excessive load ( standard setting: load meter reading of 9.5V) has been applied  continuously for a certain period.
31The motor failed to rotate as specified and has stopped or is rotating at a very low speed.
32LSI memory for serial communication is abnormal. A check is made when the power is turned on.
34Parameter data outside the specified range was set.
36The error counter overflowed.
37 After emergency stop signal input, the motor is accelerated without being decelerated.
 41The position where the one rotation signal of the α position coder is generated is incorrect.
 42The one rotation signal of the α position coder is not generated.
46The one rotation signal of the position coder cannot be detected normally during thread cutting.
47The count value of α position coder signal pulses is abnormal.
50A value obtained by internal calculation in spindle synchronization exceeded the allowable range.
 52 & 53 The synchronziation signal ( ITP) in communication data transferred to and from the CNC stopped.
54A large current flowing in the motor for a long time was detected.
73The signal of the motor sensor is disconnected.
75An abnormality was detected during control program transfer processing.
79An abnormality was detected during control program initialization.
81The position where the one rotatation signal of the motor sensor is generated is incorrect.
82The one rotation signal of the motor sensor is not generated.
83The SVPM checks the pulse counts of phases A and B each time a one rotation signal is detected.
84The spindle sensor signal was disconnected.
85The one rotation signal of the spindle sensor occured in an incorrect location.
86No spindle sensor one rotation signal occured.
87A spindle sensor signal is abnormal.
A1 & A2The control program is not running. An error was detected when the control program was running.
C0, C1 & C2An error occured in serial communication data between the CNC and spindle amplifier module.
35There is a large difference between the motor speed calcualted from the position coder and the motor speed estimated with the spindle software.

Alarms That Are Common to Servo and Spindle Units

Alarm CodeDescription of Alarm/Error
STATUS2 Alarm Code –
STATUS1 Alarm Code 30
The main circuit power module (IPM) has detected an abnormal condition.
STATUS2 Alarm Code –
STATUS1 Alarm Code 59
A cooling fan for the control circuit has stopped.
STATUS2 Alarm Code –
STATUS1 Alarm Code 58
The temperature of the main circuit heat sink has risen abnormally.
STATUS2 Alarm Code –
STATUS1 Alarm Code  51
In the main circuit, the DC voltage (DC link) has dropped.
STATUS2 Alarm Code –
STATUS1 Alarm Code  33
The main circuit capacitor was not recharged within the specified time.
STATUS2 Alarm Code –
STATUS1 Alarm Code  b1
The control power supply voltage decrease.
STATUS2 Alarm Code –
STATUS1 Alarm Code 11
In the main circuit, the DC voltage at the DC link is abnormally high.
STATUS2 Alarm Code –
STATUS1 Alarm Code 04
The input power supply is abnormal (open phase).

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC Beta I A06B-6134 and A06B-6164 Series units. Call 630-616-0039 or fill up a contact form.

by Lakeside CNC Group Lakeside CNC Group

FANUC Beta I A06B-6132 Series Servo Unit Alarms and Error Codes

FANUC Beta I A06B-6132 Series Servo Amplifier Alarms and Error Codes

The following alarm codes (FANUC Beta I Servo Unit I/O Alarms) are for series A06B-6132. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC Beta I A06B-6132 Series units. Call 630-616-0039 or fill up a contact form.

Program or setting alarms (power supply alarms)

LED displayNo.Description of Alarm/Error
U000A parameter that requires power down has been specified.
F011The specified feedrate is zero.
F013The specified feedrate (maximum feedrate) is zero.
I-070More than 32 blocks have been registered for a buffering operation.
h085Input from the reader/punch interface or the like caused an overrun, parity, or framing error.
h086Input from the reader/punch interface or the like includes an imput/output unit operation ready signal (DR) that is set to off.
9087After input from the reader/punch interface or the like stops, character input does not stop even though ten characters have been input.
u090Reference position setting cannot be executed normally.
u093A first to third reference position return cannot be executed because the reference position has not yet been established.
7224The reference position has not yet been established.
7250Input data 1 is invalid.
7251Input data 2 is invalid.
n255Operation cannot be activated because an invalid mode is specified or because block execution is in progress.
n255The interface switch signal (DRC) was switched during block execution.
4291The speed of an axial movement specified by an external pulse has exceeded the upper limit.
7292A checksum error for the batter powered memory was detected.

Pulse Coder Alarms for Series A06B-6132

LED displayNo.Description of Alarm/Error
5300A communication error (DTER) for the serial pulse coder was detected.
5301A communication error (CRCER) for the serial pulse coder was detected.
5302A communication error (STBER) for the serial pulse coder was detected.
6303An LED disconnection (LDAL) was detected in the serial pulse coder.
6304A mispulse alarm (PMAL) for the serial pulse coder was detected.
6305A miscount alarm (CMAL) for the serial pulse coder was detected.
3306The motor has overheated (OHAL).
6308A soft pulse alarm (SPHAL) was detected.
11319When the absolute pulse coder is used, the motor has not yet rotated through more than one turn after the first power up.
2350The battery voltage of the absolute pulse coder is low.
1351The battery voltage of the absolute pulse coder is low ( warning).

Servo Alarms for Series A06B-6132

LED displayNo.Description of Alarm/Error
4400The servo motor has overheated.
401Servo amplifier ready signal (DRDY) went off.
403The cooling fans have overheated. ( hardware detection).
J404The regenerative discharge unit has overheated.
n405Reference position return could not be executed correctly.
r410The servo position error in the stop state is larger than the value specified in parameter no. 110.
r411The servo position error during movement is larger than the value specified in parameter no. 182.
c412An overcurrent alarm is issued.
y413A DC link overvoltage alarm is issued.
p414A DC Link low voltage is issued.
A417A parameter has been specified incorrectly.
418A DO alarm is issued.
t423The specified speed exceeds 32767000 detection units per second.
C425The cooling fan has stopped.

Over Travel Alarms for Series A06B-6132

LED DisplayAlarm CodeDescription of Alarm/Error
H500The positive stroke limit has been exceeded
H501The negative stroke limit has been exceeded
H510The positive soft stroke limit has been exceeded
H511The negative soft stroke limit has been exceeded

System Alarms for Series A06B-6132

LED DisplayAlarm CodeDescription of Alarm/Error
EAn error was detected in the RAM write/read test at power up.
8An error was detected in the data collation check for the battery powered memory.
9A data transfer alarm for the battery powered memory has been issued.
dA watchdog alarm was issued.
bA checksum alarm for the control software ROM is issued.
A checksum alarm for the ROM that is built into the CPU is issued.
.An error was detected in the control circuit.

I/O Link Alarm for Series A06B-6132

LED DisplayAlarm CodeDescription of Alarm/Error
LA Fanuc I/O link error occured. A unit connected to the line was turned off.

No LED Display for Series A06B-6132

LED DisplayAlarm CodeDescription of Alarm/Error
No indicators litThe control circuit is not operating normally.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC Beta I A06B-6132 Series units. Call 630-616-0039 or fill up a contact form.

by Lakeside CNC Group Lakeside CNC Group

FANUC Beta I Servo Unit Alarms and Error Codes

FANUC Beta I Series A06B-6130 & A06B-6132 Alarms and Error Codes

The following alarm codes FANUC Beta I Servo Unit Alarms relate to A06B-6130 & A06B-6132 Series. Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC Beta I Series units. Call 630-616-0039 or fill up a contact form.

Servo Amplifier Module Alarms

Alarm CodeLEDDescription of Alarm/Error
Converter: DC link undervoltageONVoltage drop at the DC link in the main circuit.
Converter: DC link overvoltageONVoltage rise at the DC link in the main circuit.
Converter: Excessive deceleration powerONToo large or abnormal regenerative discharge amount.
Converter: Control power supply undervoltageON
  • Drop in external control power supply
  • Connector/cable defective
  • SVM failure
Inverter: Internal cooling fan stoppedON
  • Fan not running
  • Fan motor connector or cable defective
  • SVM failure
Inverter: Internal cooling fan stopped of the radiatorON
  • Fan not running
  • Fan motor connector or cable defective
  • SVM failure
Inverter: IPM alarmON
  • Short circuit between power lead phases or ground fault in them
  • Short circuit between motor winding phases or ground fault in them
  • SVM failure
Inverter: IPM alarm (OH)ON
  • The motor is being used under a harsh condition
  • The ambient temperature is high
  • SVM failure
Inverter: Motor current alarmON
  • Short circuit between power lead phases or ground fault in them
  • Short circuit between motor winding phases or ground fault in them
  • Incorrect motor ID setting
  • SVM or motor failure
Inverter: FSSB communication errorON
  • Connector or cable failure
  • SVM or CNC failure

Servo Alarm For Series 15i

Alarm CodeDescription
SV0027Invalid digital servo parameter setting
SV0361Pulsecoder phase error ( built in)
SV0364Soft phase alarm (built in)
SV0365LED error ( built in)
SV0366Pulse error (built in)
SV0367Count error (built in)
SV0368Serial data error (built in)
SV0369Data transfer error ( built in)
SV0380LED error ( separate)
SV0381Pulsecoder phase error (separate)
SV0382Count error ( separate)
SV0383Pulse error (separate)
SV0384Soft phase alarm (separate)
SV0385 Serial data error (separate)
SV0386Data transfer error (separate)
SV0387Sensor error(separate)
SV0421Excessive semi full error
SV0430Servo motor overheat
SV0432Converter: control power supply undervoltage
SV0433Converter: DC Link undervoltage
SV0436Soft thermal (OVC)
SV0438Inverter: motor current alarm
SV0439Converter: DC link overvoltage
SV0440Converter: Excessive deceleration power
SV0441Current offset error
SV0444Inverter: internal cooling fan stopped
SV0445Soft disconnection alarm
SV0447Hard disconnection alarm (separate)
SV0448Feedback mismatch alarm
SV0449Inverter: IPM alarm
SV0601Inverter: cooling fan stopped of the radiator
SV0603Inverter: IPM alarm (OH)

Servo Alarms For Series 16i, 18i, 20i, 21i, 0i, and PowerMate i

Alarm CodeDescription
361Pulsecoder phase error (built in).
364Soft phase alarm (built in).
365LED error (built in).
366Pulse error (built in).
367Count error (built in).
368Serial data error (built in).
369Data transfer error (built in).
380LED error (separate).
381Pulsecoder phase error (separate).
382Count error (separate).
383Pulse error (separate).
384Soft phase alarm (separate).
385Serial data error (separate).
386Data transfer error (separate).
387Sensor error (separate).
417Invalid parameter.
421Excessive semi full error.
430Servo motor overheat.
432Converter: Control undervoltage.
433Converter: DC link undervoltage.
436Soft thermal (OVC).
438Inverter: motor current alarm.
439Converter: DC link overvoltage.
440Converter: excessive deceleration power.
441Current offset error.
444Inverter: internal cooling fan stopped.
445Soft disconnection alarm.
447Hard disconnection alarm (a pulse coder).
448Feedback mismatch alarm.
449Inverter: IPM alarm.
453Soft disconnection alarm (a pulse coder).
601Inverter: cooling fan stopped of the radiator.
603Inverter: IPM alarm (OH).

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC Beta I Series units. Call 630-616-0039 or fill up a contact form.