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404
OPEN ARMATURE CIRCUIT
Otis · DSD 412 Elevator System
¿Qué significa 404 ?
This fault occurs when a large current error is detected in the armature circuit and persists for half a second. This indicates a break in the armature current path.
Causas comunes
- Open DC link fuse F4.
- Break or poor connection in the motor armature circuit wiring.
- Faulty or open power poles within the DC loop contactor.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Check the DC link fuse F4 for continuity and replace if blown.
- 2
Inspect all connections and wiring in the motor armature circuit for any open circuits.
- 3
Examine the power poles in the DC loop contactor for proper contact and integrity.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Otis DSD 412 Elevator System