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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

SCF

MOTOR SHORT CIRCUIT

Schindler · Altivar 312 Drive

What does SCF mean?

This fault indicates a short-circuit or grounding fault at the drive output, affecting the motor connection. It can also be triggered by significant ground leakage current if multiple motors are connected in parallel to the drive.

Common Causes

  • Short-circuit or grounding at the drive output
  • Significant ground leakage current at the drive output if several motors are connected in parallel

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the cables connecting the drive to the motor, and the motor insulation.

  2. 2

    Reduce the switching frequency.

  3. 3

    Connect chokes in series with the motor.

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

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Source: Schindler Altivar 312 Drive
Open Manual (Page 107)Search more codes in this manual