Fanuc alarm A
αi SVM · Fanuc αi SVM
What it means
Inverter: DC link current alarm, H/N axis (third axis; never valid on 1-2 axis units).
Likely causes
- Power lead short or ground fault
- Motor winding short / ground fault
- SVM inverter failure
Triage note: CNC alarm SV0600 detail A. If displayed on a 2-axis SVM, suspect the SVM itself.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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A06B-6114-H3xx
Servo Amplifier Module αiSVM 3-axis (rating-dependent) · Primary suspect
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Motor power lead set
Motor Power Cable · Common cause
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A06B-02xx/03xx-Bxxx
αiS/αiF Servo Motor · Common cause
Need the part urgently?
Send us alarm A with your machine details — typical RFQ turnaround is 24–48h.