Fanuc · CNC parts
A06B-6111-H011 — Fanuc αiSP spindle amplifier: fault codes, repair & supply
The A06B-6111-H011 is a Fanuc αiSP spindle amplifier module that drives the main spindle motor on αi-series CNC machines. Star Automations sources and supplies the A06B-6111-H011 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 αiSP spindle 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 |
|---|---|---|
| 01 | Motor overheat | Overloaded spindle, blocked cooling, motor thermal issue |
| 02 | Excessive speed deviation | Overload, feedback or parameter issue |
| 07 | Excessive speed | Feedback or parameter fault, loss of control |
| 12 | DC link overcurrent | Power stage fault, motor or cable short |
When a A06B-6111-H011 needs attention
- Spindle alarm shown on the amplifier LED
- Spindle will not start or stalls under cut
- Spindle overheats
- Spindle speed unstable or erratic
- Amplifier power section noise or burn marks
Replace or repair your A06B-6111-H011
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-6111-H011 — common questions
Can you supply the A06B-6111-H011 in India?
Can a faulty A06B-6111-H011 be repaired instead of replaced?
My A06B-6111-H011 shows 01 (motor overheat). What should I do?
Is the exact part number important?
Need the A06B-6111-H011 now?
Send the part number or fault code — we reply the same day. Serving Chennai, Puducherry, Bengaluru, Hyderabad, Delhi and pan-India.