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ErrorLib — Industrial Fault Code Library

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38, 45

Unit/motor data error

SEW Eurodrive · Drives

What does 38, 45 mean?

An inconsistency or error has been detected in the configured unit or motor data. This suggests a mismatch between the drive's internal settings and the connected motor, or an issue with the drive's own configuration parameters.

Common Causes

  • Incorrect motor data parameters configured for the connected motor
  • Incompatible motor type selected for the MOVIMOT unit
  • Internal unit data corruption

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify all motor nameplate data (nominal current, voltage, frequency, RPM, power) against the corresponding motor parameters configured in the SEW Eurodrive unit.

  2. 2

    Check for inconsistencies or recent modifications in the drive's unit configuration parameters (e.g., application type, control mode, scaling factors) that might conflict with the connected motor or system requirements.

  3. 3

    Inspect the wiring and connection integrity of any connected motor feedback device (e.g., encoder) for damage or loose connections, and verify the configured encoder type and resolution parameters match the installed device.

  4. 4

    Verify the firmware version of the SEW Eurodrive unit for known issues or incompatibilities with the connected motor type or the applied configuration parameters.

Browse all codes in this manual (39)
Verified technical data. Last updated: April 2026

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Source: SEW Eurodrive Drives
Open Manual (Page 115)Search more codes in this manual