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Part Details

A06B-6079-H303 ALPHA SERVO AMP 3-12/20/20

FANUC parts >> A06B-6079-H303 ALPHA SERVO AMP 3-12/20/20

Part Name: ALPHA SERVO AMP 3-12/20/20

Part Number: A06B-6079-H303

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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-H303 FANUC Alpha Servo Amplifier Module 3-12/20/20

The A06B-6079-H303 alpha servo amp module is made for operation in CNC machines and robotic manufacturing equipment. Tri Star CNC has the largest inventory of FANUC replacement parts available including spindle amp modules, transistors, fuses, servo amplifier modules and many other small components at affordable prices. We offer FANUC parts from our own inventory in exchange for your damaged component like the A06B-6079-H303 alpha servo amplifier module.

The CNC repair technicians at Tri Star CNC provide reliable CNC machine repair services and component replacement. Our CNC machine repair services have fast turnaround to get your machine functioning right away.

Many FANUC parts like A06B-6079-H303 alpha servo amp modules have high failure rates. It is required to replace FANUC parts frequently to prevent the core CNC components from breaking.

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 specialists at Tri Star CNC for a refurbished part like the A06B-6079-H303 alpha servo amp 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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