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SV0385

SERIAL DATA ERROR(EXT)

Fanuc · Alpha i Series Servo Amplifier

¿Qué significa SV0385 ?

Communications data could not be received from the separate detector. This indicates a failure in the serial communication link from the external detector to the servo system.

Causas comunes

  • Loose, damaged, or improperly terminated serial communication cable to the external detector.
  • External detector's serial communication interface failure.
  • Electromagnetic interference (EMI) affecting serial data transfer.
  • Corrupted firmware within the external detector.
  • Mismatched serial communication parameters (baud rate, stop bits).

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Inspect and firmly reseat the serial cable at both ends.

  2. 2

    Measure signal integrity on the external detector's serial data lines.

  3. 3

    Test with a known good external detector if possible.

  4. 4

    Verify communication protocol settings in servo parameters (e.g., P1-02).

  5. 5

    Check the external detector's communication port for physical damage.

Ver todos los códigos en este manual (101)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Fanuc Alpha i Series Servo Amplifier