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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. 1

    Check the motor armature circuit wiring for any open circuits.

  2. 2

    Inspect the motor itself for any internal open circuits.

  3. 3

    Perform Self-Diagnostics (Function #998) to verify the status of SCRs and their gating.

Ver todos los códigos en este manual (57)
Datos técnicos verificados. Última actualización: March 2026

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