Fanuc alarm c
αi SVM · Fanuc αi SVM
What it means
Inverter: motor current alarm (M axis).
Likely causes
- Power lead short / ground fault
- Motor winding short
- Wrong motor ID / harsh acc-dec duty
- SVM or motor failure
Triage note: CNC alarm SV0438 detail c.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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A06B-6114-H2xx
Servo Amplifier Module αiSVM (rating-dependent) · Primary suspect
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A06B-02xx/03xx-Bxxx
αiS/αiF Servo Motor · Common cause
Need the part urgently?
Send us alarm c with your machine details — typical RFQ turnaround is 24–48h.