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ErrorLib — Industrial Fault Code Library

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OCF

OVERCURRENT

Schindler · Altivar 312 Drive

What does OCF mean?

This overcurrent fault indicates that the motor current has exceeded the permissible limits, often due to incorrect drive or motor parameters, excessive mechanical load, or a mechanical locking condition. Sustained overcurrent can damage the motor or the drive.

Common Causes

  • Parameters in the [SETTINGS] (SEt-) and [MOTOR CONTROL] (drC-) menus are incorrect.
  • Inertia or load too high
  • Mechanical locking

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the parameters in [SETTINGS] (SEt-) , page 32, and [MOTOR CONTROL] (drC-) page 41.

  2. 2

    Check the size of the motor/drive/load.

  3. 3

    Check the state of the mechanism.

Browse all codes in this manual (32)
Verified technical data. Last updated: April 2026

Related Faults

A-17Alarm buttonCFFINCORRECT CONFIG.CFIINVALID CONFIG
Source: Schindler Altivar 312 Drive
Open Manual (Page 107)Search more codes in this manual