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Part Details


FANUC parts >> A06B-6079-H103 SERVO AMP MODULE ALPHA-40S


Part Number: A06B-6079-H103

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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-H103 FANUC Alpha-40S Servo Power Amp Module

The A06B-6079-H103 FANUC alpha-40S servo power amp module is necessary to ensure the servo motor receives the correct amount of voltage. Tri Star CNC Services, LLC provides superior repair services for damaged and broken FANUC CNC machine parts. For expert repair, ship us your malfunctioning FANUC module, like the A06B-6079-H103 FANUC Alpha-40S servo power amp module. Upon receipt, our experienced FANUC repair professionals will thoroughly investigate the module for the cause of the malfunction, and quickly repair the component with superior attention to detail. If repairs are not necessary or cannot occur, you will only be charged the fee for cleaning and inspection instead of the entire repair cost.

Tri Star CNC has an inventory of superior replacement parts when you need a working module on short notice. Make sure your CNC machine has a long lifespan by replacing and exchanging servo power amplifier modules as necessary. Some FANUC CNC machine parts are more likely to fail and these damaged parts can cause the entire system to be compromised if not replaced. Keep your CNC machine running smoothly with the best replacement parts on the market. We are your one stop shop for all servo power amplifier modules and other superior CNC machine parts.

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 CNC repair experts for superior repair for your A06B-6079-H103 FANUC Alpha-40S servo power amp module to restore your CNC machine to top condition.

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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