Fanuc alarm 1
αi SVM · Fanuc αi SVM
What it means
Inverter: internal cooling fan stopped.
Likely causes
- Fan seized / foreign material in fan
- Faceplate (control PCB) not pushed fully home
- Fan connector not attached correctly
- SVM internal fan-drive failure
Triage note: CNC-side companion alarms SV0444. Replace fan first; SVM only if alarm returns.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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Per-module fan kit (order by SVM model)
Cooling Fan Assembly · Primary suspect
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A06B-6114-H2xx
Servo Amplifier Module αiSVM (rating-dependent, e.g. H202/H208/H212) · Common cause
Need the part urgently?
Send us alarm 1 with your machine details — typical RFQ turnaround is 24–48h.