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F81

Start condition

SEW Eurodrive · MOVITRAC 07B System

Was bedeutet F81 ?

An immediate switch-off with inhibit occurs only in 'VFC hoist' operating mode. The motor could not be supplied with the correct amount of current during the pre-magnetizing time, possibly due to mismatched motor/inverter power or insufficient motor cable cross-section.

Häufige Ursachen

  • Motor could not be supplied with correct current during pre-magnetizing time (VFC hoist mode)
  • Rated motor power too small in relation to rated inverter power
  • Motor cable cross section too small

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Check the connection between the inverter and motor for integrity and correct phasing

  2. 2

    Check startup data, including motor parameters, and perform a new startup procedure if necessary

  3. 3

    Check the cross section of the motor cable and increase it if necessary to ensure adequate current delivery

Alle Codes in diesem Handbuch durchsuchen (41)
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

Verwandte Fehlercodes

Quelle: SEW Eurodrive MOVITRAC 07B System