Fanuc · Alpha i Series AC Servo Motor and Spindle
The circuit responsible for controlling the current within the ECM has malfunctioned. This is a critical internal fault affecting the ECM's ability to manage power flow.
Click steps to track your progress.
Inspect the control board of the ECM for visible damage or component failure.
Check power supply rails to the current control circuit.
Consult ECM diagnostics for specific sub-component failures.