2926 C3E0

Err. in rated U of motor %.2s

Heidenhain · NC Control

What does 2926 C3E0 mean?

The motor rated voltage for the specified axis is outside of the permitted input range. This indicates a mismatch between the motor's specified voltage and the configured or available voltage.

Common Causes

  • Motor rated voltage outside of permitted input range.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the rated voltage (U-rated) of the motor for the specified axis against the motor's nameplate data.

  2. 2

    Check the motor table entry in the NC control's parameters to ensure the rated voltage is correctly entered and matches the motor specifications.

  3. 3

    Measure the actual supply voltage provided to the motor drive to ensure it is stable and within the allowed operating range.

  4. 4

    Ensure the correct motor and drive combination is being used, suitable for the available power supply and machine configuration.

Browse all codes in this manual (58)
Verified technical data. Last updated: March 2026

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