EL
ErrorLib
Brands
||
  1. Home
  2. Schindler
  3. Altivar 212 Variable Frequency Drive
  4. Ot
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.

Ot

Overtorque

Schindler · Altivar 212 Variable Frequency Drive

What does Ot mean?

This fault occurs when the calculated motor torque reaches or exceeds the level set by parameter F616 ([Overtorque level]), indicating that the motor is operating under excessive load and could be damaged.

Common Causes

  • Calculated motor torque has reached the level set by parameter F616.
  • Excessive mechanical load on the motor.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Adjust the settings of parameters F615 ([Overtorque det.]) and F616 ([Overtorque level]) as needed.

  2. 2

    Verify the machine operation to identify any mechanical binding or obstructions causing high torque.

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