Fanuc · Alpha i Series Servo Amplifier
The CNC detected an error in its RAM check function. This indicates a critical memory fault within the CNC, which can lead to unstable operation or data loss. A power cycle is required.
Click steps to track your progress.
Perform a CNC system power cycle.
Check for any diagnostic LEDs indicating RAM failure on the CNC board.
Reseat the CNC RAM modules if accessible.
Measure CNC power supply voltages for stability.
If the fault persists, replace the CNC RAM modules.