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9083

Sensor Signal Abnormality Alarm

Fanuc · Alpha i Series AC Servo Motor and Spindle

¿Qué significa 9083 ?

This alarm indicates an incorrect detection of an abnormal sensor signal, potentially due to wiring issues in the motor terminal box or non-shielded cable portions. This can also lead to large variations in low-speed motor operation.

Causas comunes

  • Sensor output signal is outside the expected operating range.
  • Incorrect sensor calibration (e.g., encoder zero offset incorrect).
  • External factor affecting sensor reading (e.g., temperature, vibration).
  • Degradation of sensor performance over time.
  • Parameter configuration mismatch for sensor type or range (e.g., P2-xx).

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Inspect the wiring in the motor terminal box (transit box for built-in motors) to ensure proper connections and minimize non-shielded cable portions.

  2. 2

    Check the feedback cable for physical damage or loose connections between the spindle motor and amplifier.

  3. 3

    Verify all sensor signal connections (e.g., JFx connector for pulse coder, JYA2 for spindle sensor) for secure contact.

Ver todos los códigos en este manual (29)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Fanuc Alpha i Series AC Servo Motor and Spindle