Fanuc · CNC parts
A06B-6124-H105 — Fanuc αiSV servo amplifier: fault codes, repair & supply
The A06B-6124-H105 is a Fanuc αiSV servo amplifier module that drives one axis motor on αi-series CNC systems. Star Automations sources and supplies the A06B-6124-H105 and repairs failed units at component level, so you can choose between a replacement and getting your existing unit restored. This is a current OEM line. Availability and price are confirmed per enquiry. Most quotes come back the same day — send the part number or the fault code on WhatsApp.
Common Fanuc αiSV servo amplifier fault codes and what we usually find
Fault code wording can differ by firmware and manual revision — always confirm against the manual for your exact unit. The causes below are typical findings, not a diagnosis of your specific unit.
| Code | Meaning | Typical cause |
|---|---|---|
| SV0401 | V-READY OFF | Missing DC link, amplifier or power supply module fault |
| SV0436 | SOFTTHERMAL (OVC) | Sustained overload, parameter or motor issue |
| SV0444 | INV. COOLING FAN FAILURE | Failed or blocked amplifier fan |
| SV0466 | MOTOR/AMP COMBINATION | Parameter and amplifier rating mismatch |
| SV0368 | SERIAL DATA ERROR | Encoder cable or encoder fault |
When a A06B-6124-H105 needs attention
- Axis alarm after power-on or after a crash
- Amplifier alarm LED lit
- No DC link on the amplifier
- Axis motor warm and weak
- Fan failure alarm
Replace or repair your A06B-6124-H105
Source a replacement
Send the part number. We check sourcing from global surplus and the OEM channel and reply the same day with availability, condition and price. Advance or verified escrow applies.
Repair your existing unit
If sourcing takes longer or you want to keep your configuration, we repair at component level — power stage, gate-drive, control and supply sections — and test before dispatch.
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A06B-6124-H105 — common questions
Can you supply the A06B-6124-H105 in India?
Can a faulty A06B-6124-H105 be repaired instead of replaced?
My A06B-6124-H105 shows SV0401 (v-ready off). What should I do?
Is the exact part number important?
Need the A06B-6124-H105 now?
Send the part number or fault code — we reply the same day. Serving Chennai, Puducherry, Bengaluru, Hyderabad, Delhi and pan-India.