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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.

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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.

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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.

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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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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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FANUC DC Axis Unit Alarms for A06B-6047 Series

FANUC DC Axis Unit Alarms for A06B-6047 Series

The following alarm codes are for FANUC DC Axis Unit Alarms for A06B-6047 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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TypeIndication
Overload.On the NC control unit.
Velocity feedback wire break.LED indicator TGLS goes on.
Overcurrent.LED indicator OVC goes on.
Circuit Breaker.The ON button of the circuit breaker pops up and the LED indicator BRK goes on.
Overvoltage alarm.LED indicator HVAL goes on.
Low voltage Alarm.LED indicator HCAL goes on.
Circuit malfunction.LED indicator DCAL goes on.
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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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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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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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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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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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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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