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301

Serial Pulse Coder Communication Error (CRCER)

Fanuc · Alpha i series AC Servo Motor

¿Qué significa 301 ?

A communication error (CRCER) was detected for the serial pulse coder, indicating a data integrity issue during serial communication. Potential causes include cable faults, component defects, or external noise.

Causas comunes

  • Discontinuity or damage in the serial pulse coder signal cable.
  • Defective serial pulse coder.
  • Defective servo amplifier module.
  • External electrical noise interfering with serial communication.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check the continuity and integrity of the serial pulse coder signal cable.

  2. 2

    If the cable is verified as normal, replace the pulse coder or the servo amplifier module.

  3. 3

    Implement noise reduction measures as described in the 'Descriptions' chapter on noise.

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Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Fanuc Alpha i series AC Servo Motor