IF1

INTERNAL FAULT

Schindler · Altivar 312 Drive

What does IF1 mean?

An internal fault of unknown rating has occurred within the drive. This indicates a general internal hardware or software issue that prevents normal operation.

Common Causes

  • Unknown rating

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace the drive.

  2. 2

    Restart the drive.

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

Related Faults

COFCANopen communication detected faultOCFOVERCURRENTCnFNetwork fault
Source: Schindler Altivar 312 Drive
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