Fanuc · Alpha i Series Servo Amplifier
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.
Click steps to track your progress.
Cycle power to the PMC module.
Inspect the PMC for any physical damage or signs of overheating.
Re-flash the PMC firmware using appropriate tools.
Verify the voltage supply (e.g., 5VDC) to the PMC.
If the issue continues, replace the PMC module.