Fanuc alarm SP9032: RAM FAULT (SERIAL LSI)
spindle alarm (serial spindle, alpha i) · Fanuc 0i-D
What it means
A RAM fault was detected in the serial communication LSI inside the spindle amplifier. The memory used for buffering serial spindle data failed test, breaking trustworthy data exchange.
Likely causes
- Failed serial LSI on the SPM control board
- Board damage from overheating events
Replacement parts
We supply the following units for this alarm — tested, warranty-backed:
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A06B-6120-Hxxx
alpha i Spindle Amplifier Module (SPM) · Primary suspect
Need the part urgently?
Send us alarm SP9032 with your machine details — typical RFQ turnaround is 24–48h.