Short Circuit or Ground Fault During Acceleration

What does OC1P mean?

This fault indicates a short circuit or ground fault condition detected specifically during the motor acceleration phase of the Altivar 212 drive, which can cause immediate shutdown.

• Short circuit during acceleration.
• Ground fault during acceleration.

Click steps to track your progress.

1. 1

   Use a 1000 V testing tool (megger) to check the motor windings for insulation resistance to ground.

2. 2

   Use a 1000 V testing tool (megger) to check the motor cables for insulation resistance to ground.