FANUC Alpha Servo Amplifier Alarm and Error Codes

The following alarm codes pertain to FANUC Alpha SVM series (part numbers started from A06B-6079, A06B-6080, A06B-6096, and A06B-6097). Knowing your error code could help us provide you with the fast and precise evaluation for repair or exchange services.

Request a Free Consultation

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

Alarm CodeDescription of Alarm/Error
1Inverter: Internal cooling fan stopped
2Inverter: Control power supply under voltage
5Inverter: DC link under voltage
6Inverter: Overheat
8Inverter: DC link current alarm (L axis)
8.Inverter: IPM alarm (L axis)
9Inverter: DC link current alarm (M axis)
9.Inverter: IPM alarm (M axis)
BlinkingInverter: abnormal control power supply
AInverter: DC Link Current alarm (N axis)
A.Inverter: IPM alarm (N axis)
bInverter: DC Inverter: Control Command Failure
cInverter: DC Inverter: Control Command Failure
dInverter: DC Inverter: Control Command Failure
FInverter: cooling fan stopped of the radiator
PInverter: Communication error between amplifier and module
UInverter: FSSB communication error (COP10B)
LInverter: FSSB communication error (COP10A)

FANUC Servo Amplifier Series A06B-6089 and A06B-6090 Alarm Codes

The alarms and error code below are for FANUC Servo Amplifier Series A06B-6089 and A06B-6090. If an alarm condition occurs, the 7-segment LED indicator on the amplifier will behave according to the table below.

Alarm CodeType
1Over Voltage alarm (HV)
2Low control power voltage alarm (LV)
3Low DC link voltage alarm (LVDC)
4Regenerative discharge control circuit failure alarm (DCSW)
5
Over regenerative discharge alarm (DCOH)
7Dynamic brake circuit failure alarm (DBRLY)
8L-axis over current alarm (HCL)
9M-axis over current alarm (HCM)
6L and M axis over current alarm (HCM)
8L-axis IPM alarm (IPML)
9M-axis IPM alarm (IPMM)
bL and M axis IPM alarm
TripsCircuit breaker

FANUC A06B-6114, A06B-6117 Series Alarms and Error Codes

The alarms and error codes below are FANUC Alpha I Servo Amplifier Module Alarms covering the series of FANUC A06B-6114, A06B-6117 Alpha servo amplifiers.

Alarm CodeDescription 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 of the radiator
PInverter: Communication error between amplifier and module
8Inverter: DC link current alarm
8.9.A
Inverter: IPM alarm
8.9.AInverter: IPM alarm (OH)
bcd
Inverter: IPM alarm (OH)

Request a Free Consultation

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