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933
Motor armature current does not increase to near test amps within 6 seconds.
Otis · DSD 412 Elevator System
¿Qué significa 933 ?
This fault indicates that the motor armature current failed to reach near the specified test amperes within 6 seconds. This may occur during Self-Tune (Function #997) or Self-Diagnostic (Function #998).
Causas comunes
- Faulty motor armature circuit, possibly an open circuit.
- Open SCR or missing SCR gating pulses.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Check the motor armature circuit wiring for any open circuits.
- 2
Inspect the motor itself for any internal open circuits.
- 3
Perform Self-Diagnostics (Function #998) to verify the status of SCRs and their gating.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Otis DSD 412 Elevator System