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940

Field Current Feedback A/D Saturated

Otis · DSD 412 Elevator System

Hva betyr 940 ?

This fault occurs when the Field Analog-to-Digital (A/D) converter reading remains saturated for more than 15 seconds, indicating an issue with the field current feedback circuit.

Vanlige årsaker

  • Component problem with the Field Interface Board.
  • Problem with the Ribbon Cable (J33) connecting components.
  • Component problem with the Main Control Board.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Replace the Field Interface Board.

  2. 2

    Replace the Ribbon Cable (J33).

  3. 3

    If the fault is still present after these steps, replace the Main Control Board.

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

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