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Inverter: FSSB communication error (COP10B)

Fanuc · Series 30i/31i/32i-MODEL B Plus

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A FSSB (FANUC Serial Servo Bus) communication error has occurred, specifically involving the COP10B connection. This type of error is typically caused by a failure in the COP10B connector or cable, an issue with the Servo Amplifier, or a failure in the CNC unit. Loss of FSSB communication can halt machine operation.

Causas comunes

  • Connector or cable (COP10B) failure
  • Servo Amplifier failure
  • CNC failure

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify the integrity and secure connection of the COP10B connector and cable.

  2. 2

    If the COP10B cable is confirmed good, replace the Servo Amplifier.

  3. 3

    If the Servo Amplifier is confirmed good, replace the CNC unit.

Ver todos los códigos en este manual (38)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Fanuc Series 30i/31i/32i-MODEL B Plus