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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
Replace the Field Interface Board.
- 2
Replace the Ribbon Cable (J33).
- 3
If the fault is still present after these steps, replace the Main Control Board.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Otis DSD 412 Elevator System