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840

Incorrect SERCOS phase selection (->%d).

Bosch Rexroth · Motion Control

¿Qué significa 840 ?

During SERCOS startup, an incorrect communication phase was selected. Only phases 0 to 4 are permissible, and they must be configured in ascending order, incrementing by one step. This is a servo loop or drive fault.

Causas comunes

  • Incorrect SERCOS communication phase selected during startup.
  • SERCOS phases not set in ascending order or not in steps of one.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check the commanded SERCOS communication phase setting and adjust it if necessary.

Ver todos los códigos en este manual (60)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

1287Error during generating the stack for the IdleTask.1288SERCOS state class 1: Overload cut-off %s-axis.1289SERCOS state class 1: Amplifier overtemperature cut-off %s-axis.
Fuente: Bosch Rexroth Motion Control
Open Manual (Page 61)Buscar más códigos en este manual