FANUC Alpha Servo Amplifier Module Alarm and Error Codes

Alarms and Error Codes

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 Code	Description of Alarm/Error
1	Inverter: Internal cooling fan stopped
2	Inverter: Control power supply under voltage
5	Inverter: DC link under voltage
6	Inverter: Overheat
8	Inverter: DC link current alarm (L axis)
8.	Inverter: IPM alarm (L axis)
9	Inverter: DC link current alarm (M axis)
9.	Inverter: IPM alarm (M axis)
Blinking	Inverter: abnormal control power supply
A	Inverter: DC Link Current alarm (N axis)
A.	Inverter: IPM alarm (N axis)
b	Inverter: DC Inverter: Control Command Failure
c	Inverter: DC Inverter: Control Command Failure
d	Inverter: DC Inverter: Control Command Failure
F	Inverter: cooling fan stopped of the radiator
P	Inverter: Communication error between amplifier and module
U	Inverter: FSSB communication error (COP10B)
L	Inverter: 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 Code	Type
1	Over Voltage alarm (HV)
2	Low control power voltage alarm (LV)
3	Low DC link voltage alarm (LVDC)
4	Regenerative discharge control circuit failure alarm (DCSW)
5	Over regenerative discharge alarm (DCOH)
7	Dynamic brake circuit failure alarm (DBRLY)
8	L-axis over current alarm (HCL)
9	M-axis over current alarm (HCM)
6	L and M axis over current alarm (HCM)
8	L-axis IPM alarm (IPML)
9	M-axis IPM alarm (IPMM)
b	L and M axis IPM alarm
Trips	Circuit 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 Code	Type
1	Inverter: Internal cooling fan stopped
2	Inverter: Control power supply under voltage
5	Inverter: DC link under voltage
6	Inverter: Overheat
F	Inverter: cooling fan stopped of the radiator
P	Inverter: Communication error between amplifier and module
8	Inverter: DC link current alarm
8.9.A	Inverter: IPM alarm
8.9.A	Inverter: 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.