SP9016
RAM ERROR 16
Fanuc · Alpha i Series Servo Amplifier
What does SP9016 mean?
An error occurred in a spindle RAM test within the spindle amplifier module (SSPA). This indicates a hardware fault in the SPM unit's memory, requiring replacement of the SPM unit.
Common Causes
- RAM integrity check failed (specific to RAM error 16).
- Possible hardware failure in the control unit's RAM modules.
- Data corruption in volatile memory.
- Power fluctuations affecting RAM stability.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Replace the SPM unit.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc Alpha i Series Servo Amplifier