OC3

Overcurrent During Constant Speed

Schindler · Altivar 212 Variable Frequency Drive

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.

Common Causes

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

Repair Steps & Checklist

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.

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults

Source: Schindler Altivar 212 Variable Frequency Drive