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Part Details


FANUC parts >> A06B-6079-H121 SERVO AMP MODULE SVM1-2


Part Number: A06B-6079-H121

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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.


Your FANUC SVM1-2 A06B-6079-H121 Servo Amp Module is a precision-engineered piece of equipment built for demanding CNC operations. Like any equipment used in high-volume work environments, however, it needs regular maintenance. Power and transistor modules, capacitors and ICs all fail eventually.

Tri Star has all the CNC machine components needed to restore your FANUC SVM1-2 to original manufacturer specifications and provides quick turnaround repair service for your servo amp module. Our experienced technicians not only bring your unit back to original operating specifications, but also thoroughly clean your drive to prevent future overheating from dust buildup and replace any parts nearing the end of their service life.

You can either ship us your broken drive for us to repair and send back to you or request an exchange for a new unit (with credit applied for your old FANUC servo module). Whichever option you decide on, Tri Star CNC will move quickly to get you back in business.

The best FANUC servo power module servicing in all the land? We certainly think so.

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 CNC technicians at Tri Star CNC for expert repair services for your A06B-6079-H121 FANUC 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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