Fanuc alarm A
αi SPM · Fanuc αi SPM
What it means
Program ROM error - control program not running / exception detected while running.
Likely causes
- SPM control software ROM/board failure
- Software specification mismatch after board exchange
Triage note: CNC: 749 (A/A1/A2) or SP0097x family. Match software specification when sourcing the replacement board.
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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SPM control PCB per model (correct software spec)
Amplifier Control Board · Primary suspect
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A06B-6112-Hxxx
Spindle Amplifier Module αiSP (whole-unit alternative) · Common cause
Need the part urgently?
Send us alarm A with your machine details — typical RFQ turnaround is 24–48h.