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System error (MQ.. station addressability)

SEW Eurodrive · MOVIMOT Field Distributor

Was bedeutet 91 ?

One or more MOVIMOT stations could not be addressed by the MQ.. unit within the configured timeout interval. This indicates a system-level communication issue where stations are not responding or are incorrectly configured.

Häufige Ursachen

  • One or more MOVIMOT stations could not be addressed by the MQ.. unit within the timeout period.
  • Problems with the voltage supply to the MOVIMOT stations or issues with the RS-485 cabling.
  • Incorrect or duplicate addresses configured for the MOVIMOT stations.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Check the voltage supply to all MOVIMOT stations.

  2. 2

    Check the RS-485 cabling for continuity, shielding, and proper termination.

  3. 3

    Verify the configured addresses of all MOVIMOT stations for uniqueness and correctness.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

Verwandte Fehlercodes

Quelle: SEW Eurodrive MOVIMOT Field Distributor
SEW Eurodrive 91 (System error (MQ.. station addressability… | ErrorLib