PW0009
CPU SELF TEST ERROR(PMC)
Fanuc · αi Series Servo Amplifier
What does PW0009 mean?
The PMC detected an error in its CPU self-test function and RAM check function. This indicates a critical hardware fault within the PMC unit, necessitating a power cycle to attempt to clear the alarm.
Repair Steps
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier