EL
ErrorLib
Brands
||
  1. Home
  2. Schindler
  3. Altivar 212 Variable Frequency Drive
  4. SOUt
About·Privacy·Terms

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.

SOUt

PM Motor Step-out (Permanent Magnet Motor Pulls Out of Synchronism)

Schindler · Altivar 212 Variable Frequency Drive

What does SOUt mean?

This fault occurs in permanent magnet motors when the motor pulls out of synchronism, often due to a jammed motor, output phase loss, or sudden impact loads, leading to uncontrolled rotation.

Common Causes

  • The permanent magnet motor is jammed.
  • Output phase loss to the motor.
  • Sudden impact load on the motor.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the mechanical load and correct any jammed conditions.

  2. 2

    Check the condition of the motor windings and load wiring for integrity.

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

Related Faults

Atn1Auto Tune In ProcessCApFCavitation ErrorCFI2Download Transfer Fault
Source: Schindler Altivar 212 Variable Frequency Drive
Open Manual (Page 183)Search more codes in this manual