90

Assignment of motor – inverter incorrect

SEW Eurodrive · MOVIMOT MM..C

What does 90 mean?

This fault indicates a mismatch or incorrect combination between the motor and the inverter, such as pairing an MM03 inverter with a DT71D4 motor, which is not a supported configuration.

Common Causes

  • Incorrect assignment or combination of motor and inverter (e.g., MM03 – DT71D4).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the combination of motor and inverter for compatibility according to SEW documentation.

  2. 2

    Verify the assignment of the motor to the inverter.

  3. 3

    Switch off the 24 VDC supply voltage to reset the fault.

  4. 4

    Issue a reset command via MOVILINK®.

Browse all codes in this manual (21)
Verified technical data. Last updated: March 2026

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