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Battery zero alarm

Battery Zero Alarm

Fanuc · Alpha i Series AC Servo Motor and Spindle

¿Qué significa Battery zero alarm ?

This alarm indicates that the absolute position data for the Pulsecoder may be lost or displaced, often occurring if the sensor head is moved after the initial power-on and conduction state, or if the battery is depleted/disconnected.

Causas comunes

  • Battery voltage has dropped to zero or critically low levels.
  • Complete loss of battery power due to internal failure or disconnection.
  • Faulty battery management system reporting incorrect voltage.
  • Charger failure leading to complete battery discharge.
  • Incorrect battery type or capacity selected in system configuration.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Detach cable K1 from connector OUT1 of the sensor circuit.

  2. 2

    Connect connector IN2 to connector OUT1 on the sensor circuit.

  3. 3

    Maintain this connection for 10 seconds.

  4. 4

    Connect all other sensor cables correctly.

  5. 5

    Reconnect cable K1 to OUT1.

  6. 6

    Perform reference position return operation after ensuring the alarm is issued.

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

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Fuente: Fanuc Alpha i Series AC Servo Motor and Spindle