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SV0303

APC ALARM: FRAMING ERROR

Fanuc · Alpha i Series Servo Amplifier

¿Qué significa SV0303 ?

A framing error occurred in the data transfer from the absolute-position detector, preventing the system from obtaining the correct machine position. This problem is indicative of a defect in the absolute-position detector, its cable, or the servo interface module.

Causas comunes

  • Incorrect data framing from the APC encoder.
  • Data bit corruption during transmission.
  • Faulty APC encoder sending malformed data packets.
  • Interference on communication lines causing bit errors.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Inspect APC encoder output for framing errors using an oscilloscope.

  2. 2

    Ensure correct data format (e.g., start bits, stop bits) is configured.

  3. 3

    Test APC encoder signal integrity for noise or distortion.

  4. 4

    Check APC encoder firmware for updates.

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

Fallas relacionadas

Fuente: Fanuc Alpha i Series Servo Amplifier