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ErrorLib — Industrial Fault Code Library

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Err1 (Alarm)

Speed Reference Alarm

Schindler · Altivar 212 Variable Frequency Drive

What does Err1 (Alarm) mean?

This alarm occurs when the frequency setting signals at points 1 and 2 are configured too close to each other, indicating an insufficient separation in speed reference steps.

Common Causes

  • Frequency setting signals at points 1 and 2 are set too close together.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Increase the separation between frequency setting signals at points 1 and 2 to ensure proper step definition.

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

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Source: Schindler Altivar 212 Variable Frequency Drive
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