Fanuc alarm 02
αi PSM · Fanuc αi PSM
What it means
Cooling fan for the control circuit has stopped.
Likely causes
- Control-circuit cooling fan seized or failed
- Foreign material blocking fan
- Fan connector dislodged
Triage note: Most common PSM field failure; fan swap usually clears it. Mirrors as SP0059 / 9059 on the spindle side.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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Per-module fan kit (order by PSM model suffix)
Cooling Fan Assembly · Primary suspect
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A06B-6087-H115
Power Supply Module αi PSM (only if new fan does not clear alarm) · Check if others ruled out
Need the part urgently?
Send us alarm 02 with your machine details — typical RFQ turnaround is 24–48h.