Cause : Excessive V/f Setting (detected only during Rotational Auto-Tuning, and displayed after Auto-Tuning is complete) comes when the torque reference exceeded 20% during Auto-Tuning.

1. Before Auto-Tuning the drive, verify the information written on the motor nameplate and enter that data to T1-03 through T1-05.
2. Enter proper information to parameters T1-03 to T1-05 and repeat Auto-Tuning.
3. The results from Auto-Tuning the no-load current exceeded 80%.