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901

PCU IST FAULT

Otis · DSD 412 DC Elevator Drive

Hva betyr 901 ?

Current flow in excess of 300% of the rated armature current is detected within the armature circuit. This indicates a severe overload, a fault in the motor, or a measurement error.

Vanlige årsaker

  • Ground fault or an intermittent connection within the motor armature circuit.
  • Malfunction or failure of the current measuring module.
  • Suboptimal tuning or configuration of the current regulator.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Inspect the motor armature circuit for any ground faults or intermittent connections.

  2. 2

    Test the current measuring module for accurate readings and replace if faulty.

  3. 3

    Review and adjust the current regulator tuning parameters.

Se alle koder i denne manualen (48)
Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

Kilde: Otis DSD 412 DC Elevator Drive