Fanuc alarm 56
αi SPM · Fanuc αi SPM
What it means
Internal cooling fan for the control circuit section stopped.
Likely causes
- SPM internal control-section fan failure
- Control PCB not fully seated (inter-board connector detached)
Triage note: CNC: SP9056 / 9056. Routine consumable failure.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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SPM fan kit per model
Cooling Fan Assembly · Primary suspect
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A06B-6111-Hxxx
Spindle Amplifier Module αiSP (if new fan ineffective) · Check if others ruled out
Need the part urgently?
Send us alarm 56 with your machine details — typical RFQ turnaround is 24–48h.