Fanuc · Alpha i Series Servo Amplifier
The DCS PMC detected an error in its CPU self-test function and RAM check function. This indicates a critical hardware fault within the DCS PMC unit, necessitating a power cycle to attempt to clear the alarm.
Click steps to track your progress.
Perform a DCS PMC power cycle (turn off and on).
Check for visual signs of damage or overheating on the DCS PMC.
Reload the DCS PMC firmware from a verified source.
Measure supply voltage (e.g., 24VDC) to the DCS PMC.
If the fault persists, consider replacing the DCS PMC unit.