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7954 A840

CC SBH rot. speed too high %.2s

Heidenhain · NC Control

¿Qué significa 7954 A840 ?

The maximal permissible velocity of the standstill monitoring (SBH) was exceeded. This indicates that the axis moved faster than allowed when standstill monitoring should have been active.

Causas comunes

  • Maximal permissible velocity of the standstill monitoring was exceeded.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify that the axis is indeed at standstill or below the SBH speed limit when standstill monitoring is active.

  2. 2

    Inspect the drive and encoder feedback system for the affected axis to ensure accurate speed measurement and reliable control.

  3. 3

    Check the SBH (Safe Controlled Stop or Standstill Monitoring) parameters in the NC control to ensure they are configured correctly and the speed limit is appropriate for the application.

  4. 4

    Look for any external mechanical forces or disturbances that could cause unexpected movement or speed when standstill is expected.

Ver todos los códigos en este manual (58)
Datos técnicos verificados. Última actualización: March 2026

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