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Part Details

A06B-6080-H303 ALPHA SERVO AMP 20/20/12

FANUC parts >> A06B-6080-H303 ALPHA SERVO AMP 20/20/12

Part Name: ALPHA SERVO AMP 20/20/12

Part Number: A06B-6080-H303

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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.
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ALPHA SERVO AMP 20/20/12 A06B-6080-H303

The A06B-6080-H303 servo amplifier module powers CNC machines and robotic manufacturing equipment used by many industries. Although known for being an extremely reliable unit, it is not a "set it and forget it" piece of equipment. The internal power and transistors modules, ICs and capacitors will eventually fail.

	A06B-6080-H303 Alpha Servo Amp Alarm Error Codes

FANUC Alpha Servo Amp Alarm Codes

Is your A06B-6080-H303 alpha servo amp throwing an error? Check our list of FANUC alpha servo amp alarm codes or call us for a solution.

Tri Star CNC offers exceptionally fast turnaround repairs for the FANUC Alpha 20/20/12 servo amp module. We have all the CNC machine components necessary to get your drive back to original manufacturer specifications quickly. Just send us your broken part, and we will repair your FANUC part and send it right back to you. You can also send us your servo amp module in exchange for a new one from our inventory. The value of your old unit will be credited against the cost of the new one.

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Fill out an Return Material Authorization (RMA) for repairs.

Rest assured Tri Star CNC's FANUC repair technicians know exactly what they are doing. Our service department has extensive experience working on FANUC CNC servo amp modules. All work is done to meet the high standards of FANUC equipment.

In addition to replacing any failed or damaged parts, Tri Star CNC will also replace any FANUC or GE FANUC parts at risk of failing in the near future and thoroughly clean the inside of the unit before sending it back to you. Because these units build up heat inside, it is important to clean out any accumulated dust to help prevent overheating.

No matter what kind of service you choose, Tri Star CNC's servo amp module servicing will get your machine working flawlessly again.

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 FANUC repair experts for repair of your A06B-6080-H303 servo 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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