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F

Resistor Module Abnormal Discharge (1) (ECM)

Fanuc · Alpha i Series AC Servo Motor and Spindle

¿Qué significa F ?

The Capacitor Modules are not discharging as expected, indicating a potential malfunction of the discharge circuit or the Resistor Module itself.

Causas comunes

  • The braking resistor module is experiencing an abnormal discharge condition (first instance).
  • Faulty braking resistor element or connection.
  • Internal control signal error related to braking resistor activation.
  • Over-temperature detected within the braking resistor module.
  • Unexpected rapid discharge of energy through the resistor.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Inspect the Resistor Module and its connections for damage or open circuits.

  2. 2

    Verify the control signals for initiating discharge.

  3. 3

    Check the Capacitor Modules for any condition preventing discharge.

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