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Part Details


FANUC parts >> A06B-6079-H102 SERVO AMP MODULE ALPHA-20


Part Number: A06B-6079-H102

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For parts repair or replacement, please fill out the form below and we’ll get back to you as soon as possible.

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Exchange Price


Non return of a repairable exchange part within 15 days will result in an additional invoice for the above exchange price.

Repair Price


Turnaround times for standard repairs are based on workload. Please contact Tri Star CNC services for emergency repair requirements.
Please contact Tri Star CNC Services to place an order.

A06B-6079-H102 FANUC Alpha-20 Servo Power Amp Module

The A06B-6079-H102 FANUC alpha-20 servo power amplifier module is essential to power the servo motor in a wide range of CNC machines. Tri star CNC Services, LLC offers reliable and trusted CNC machine part repair to restore the FANUC CNC machine to working order. For full repair services, simply ship us your problematic FANUC module, like the A06B-6079-H102 FANUC Alpha-20 servo power amplifier module. When we receive the component, our expert FANUC servo amp module repair specialists will test and analyze the module for malfunction cause. Our FANUC repair specialists will efficiently and effectively repair damaged parts. If repairs do not occur, Tri Star CNC will charge a simple fee for cleaning and inspection rather than full repairs.

If the servo power amp module is beyond repair, our inventory of reliable replacement modules is available on exchange basis. Guarantee a long lifespan for your CNC machine by replacing and exchanging old servo power amp modules for a matching FANUC part. Some FANUC CNC machine parts are prone to failure, so keeping up to date with replacement is essential to keep your CNC machine running smoothly. Damaged components can cause total system failure for CNC machines, so always be sure to replace broken or damaged parts. We are your source for all servo power amplifier modules and other CNC machine component needs.

Alarm & error codes

Tri Star CNC Services can provide you with more information on the meaning of your alarms. We will provide a fault diagnosis and a dependable 1-year warranty if you require FANUC servo repairs - or a new FANUC servo amplifier module or FANUC DC servo unit. Give us a call - phone support is FREE and we'll clearly define your options for parts repair or replacement:

Alarm CodeDescription
0 Unit is not ready.
- (dash) Unit is not ready and could be related to the unit or machine side cause.
1 DC voltage of the main circuit power supply is abnormally high.
2 Inverter: control power supply undervoltage.
5 Average regenerative discharge energy is too high (too frequent acceleration/deceleration)–The transformer overheats.
6 Inverter:overheat
8 Abnormal current alarm (L axis)
8. (dot) Inverter: IPM alarm (L axis)
9 Abnormal current alarm (M axis)
9. (dot) Inverter: IPM alarm (M axis)
A Abnormal current alarm (N axis)
A. (dot) Inverter: IPM alarm (N axis)
b Abnormally high current in the L–and M–axis motors
d Abnormal current alarm (N axis)
L FSSB communication error
P Communication error between amplifier and module
U FSSB communication error




Contact the FANUC repair technicians at Tri Star CNC for expert CNC machine repair services for your A06B-6079-H102 FANUC Alpha-20 servo power amplifier module.

Parts & Repair Warranty Information

Exchange parts and repaired parts include a 1-year warranty. Tri Star CNC, LLC warrants the COMPLETE ASSEMBLY REPAIR – not just the parts and labor.

Get more details on our warranty and please contact us for further support.

Contact Us

For parts repair or replacement, please fill out the form below and we’ll get back to you as soon as possible.

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