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Door Switch
Door Switch Open
Otis · 400 Elevator
Was bedeutet Door Switch ?
Indicates that one or both of the vender's door switches have been open for more than one hour. This can be caused by a physical obstruction, wiring issue, or a faulty switch, potentially leading to operational lockout.
Häufige Ursachen
- Upper or lower vender door switch is sticking.
- Upper or lower vender door switch is miswired.
- Connector for the door switch cable running to the VMC board is faulty.
- Switch harness to the VMC board has broken or pinched wires.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Check both the upper and lower vender door switches to see if either one is sticking or miswired.
- 2
Check the connector for the switch cable running to the VMC board.
- 3
Check to see if the harness has broken or pinched wires.
- 4
Replace the door switches if they are defective.
- 5
Repair or replace the switch harness to the VMC board.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Otis 400 Elevator