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Part Details


FANUC parts >> A06B-6047-H104 SERVO UNIT DC 30M HI-INERTIA


Part Number: A06B-6047-H104

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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.


If your shop is limping along due to a DC 30M Hi-Inertia Servo Unit in need of service, Tri Star CNC Service can get you running at full speed again. We are committed to providing the most cost-effective solutions available for keeping your CNC equipment running smoothly. With over 90 years of combined experience in electronic control repair and a founding partner who spent 15 years with FANUC and designed and built numerous test benches there, we are THE alternate source for FANUC and GE FANUC repairs.

Unlike some repair centers, Tri Star CNC Service does all work in-house. Our experienced service technicians treat every job like a priority. We use OEM or better parts and replace, at no cost to you, any electrical components known to have a high failure rate. Your A06B-6047-H104 will be thoroughly cleaned and tested on a closed loop system before being sent back to you. Our 1-year comprehensive warranty is the best in the industry - covering not only parts and labor for the work we did, but for your entire DC 30M Hi-Inertia servo unit. And we offer free technical support over the phone to all our customers.

If you prefer, you can also send us your malfunctioning servo unit and receive a credit towards the purchase of a fully reconditioned unit. While this will cost more than having your unit repaired, it will get you a working unit faster and for considerably less cost than purchasing a new one. Regardless of how you choose to proceed, we are confident you'll find Tri Star CNC Services to be the best value in country for repairs and exchanges.


When a FANUC DC servo alarm is thrown chances are you'll need support from professionals experienced in FANUC component repairs. Give us a call - phone support is FREE and we'll clearly define your options for parts repair or replacement:

BRK Breaker has tripped.
HVAL L/M DC voltage of the power circuit for that axis is high.
HCAL L/M High current flow of the main circuit of that axis has occurred.
OVC L/M Current exceeding the preset value has continued longer than normal.
LVAL The circuit voltage is unusually low.
TGLS L/M Feedback and velocity command mismatch.
DCAL The regenerative discharge circuit may be faulty.

Additional FANUC services include:

We also provide:

Contact Tri Star CNC Services, LLC for quality FANUC repair service on your A06B-6047-H104 DC 30M Hi-Inertia Servo Unit.
FANUC A06B-6047-H004 Servo Alarm Error Codes

FANUC Servo Controller Module Alarm Codes

Is your A06B-6047-H104 servo throwing an error? Check our list of FANUC servo module alarm codes or call us for a solution. We offer free over the phone technical support to assist you in troubleshooting.

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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