EL
ErrorLib
Brands
||
  1. Home
  2. Schindler
  3. Altivar 212 Variable Frequency Drive
  4. OC1P
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.

OC1P

Short Circuit or Ground Fault During Acceleration

Schindler · Altivar 212 Variable Frequency Drive

What does OC1P mean?

This fault indicates a short circuit or ground fault condition detected specifically during the motor acceleration phase of the Altivar 212 drive, which can cause immediate shutdown.

Common Causes

  • Short circuit during acceleration.
  • Ground fault during acceleration.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Use a 1000 V testing tool (megger) to check the motor windings for insulation resistance to ground.

  2. 2

    Use a 1000 V testing tool (megger) to check the motor cables for insulation resistance to ground.

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 182)Search more codes in this manual