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Over-current at Power Running (ECM)
Fanuc · αi Series AC Servo Motor and Spindle
What does 1 mean?
An over-current condition has occurred in the DC link during power running operation of the motor. This indicates excessive current draw, potentially due to motor load or amplifier issues.
Repair Steps
- 1
Check the motor load during power running operation. Reduce if excessive.
- 2
Inspect the servo amplifier for any over-current related alarms.
- 3
Verify the DC link current sensors for proper operation.
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series AC Servo Motor and Spindle