What does OC3 mean?

This fault indicates an overcurrent condition while the motor is running at a constant speed by the Altivar 212 drive, typically caused by abrupt load fluctuations or an abnormal load condition.

• Abrupt fluctuations in the mechanical load.
• Abnormal load condition on the motor.

Click steps to track your progress.

1. 1

   Reduce the load fluctuations on the motor.

2. 2

   Check the mechanical load for any binding or excessive friction.

3. 3

   Set parameter F316 ([Switch. freq. mode]) to 1 or 3.