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7955 A850

CC SBH rot. speed = 0 %.2s

Heidenhain · NC Control

Was bedeutet 7955 A850 ?

The standstill monitoring (SBH) was set to 0, or parameter MP1054.x = 0, or an internal software error occurred. This implies that the safety function for standstill monitoring is incorrectly configured or malfunctioning.

Häufige Ursachen

  • Standstill monitoring was set to 0.
  • Parameter MP1054.x = 0.
  • Internal software error.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Verify the setting of parameter MP1054.x (traverse per motor revolution) for the affected axis; ensure it is not set to 0 if standstill monitoring is active and movement is expected.

  2. 2

    Check other safety parameters related to SBH (Safe Controlled Stop or Standstill Monitoring) to ensure they are configured correctly for the application.

  3. 3

    Power cycle the NC control to clear any transient internal software errors.

  4. 4

    Document the current parameter settings and operating conditions to provide to a service agency if the issue persists.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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