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
Reduce the load fluctuations on the motor.
- 2
Check the mechanical load for any binding or excessive friction.
- 3
Set parameter F316 ([Switch. freq. mode]) to 1 or 3.
Verified technical data. Last updated: March 2026
Related Faults
Source: Schindler Altivar 212 Variable Frequency Drive