Fanuc alarm 6
αi SVM · Fanuc αi SVM
What it means
Inverter: overheat (heat sink temperature abnormally high).
Likely causes
- Motor used beyond continuous rating
- Insufficient cabinet cooling (fans/filters blocked)
- High ambient temperature
- Control PCB not fully seated
- SVM thermal-sensing failure
Triage note: Companion CNC alarm SV0602. Verify duty cycle and cabinet airflow first.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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Per-module fan kit
Cooling Fan Assembly · Common cause
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A06B-6114-H2xx
Servo Amplifier Module αiSVM (rating-dependent) · Common cause
Need the part urgently?
Send us alarm 6 with your machine details — typical RFQ turnaround is 24–48h.