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910
BLOWN FUSE FAULT
Otis · DSD 412 DC Elevator Drive
¿Qué significa 910 ?
One or more of the three AC line fuses are open. This condition is checked during power-up and can be requested via the PCU F#998 Diagnostics function. Detection is achieved by measurements from voltage dividers on the Armature Interface PCB (A2).
Causas comunes
- One or more of the AC input fuses have blown.
- A problem with the AC power wiring, such as a loose connection or damage.
- A faulty DSPR power relay.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Inspect and replace any blown AC input fuses.
- 2
Check all AC power wiring connections for tightness and integrity.
- 3
Test the DSPR power relay for proper operation.
- 4
Utilize the PCU F#998 Diagnostics function to pinpoint which AC line fuse is open.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Otis DSD 412 DC Elevator Drive