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901

PCU IST FAULT

Otis · DSD 412 Elevator System

Hva betyr 901 ?

Current flow in excess of 300% of the rated armature current has been detected.

Vanlige årsaker

  • Ground fault or intermittent connection in the motor armature circuit.
  • Faulty current measuring module.
  • Poor current regulator tuning.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Check the motor armature circuit for ground faults or intermittent connections.

  2. 2

    Inspect the current measuring module for faults.

  3. 3

    Adjust current regulator tuning parameters.

Se alle koder i denne manualen (57)
Verifisert teknisk data. Sist oppdatert: March 2026

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