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bLF
BRAKE CONTROL FAULT
Schindler · Altivar 312 Drive
¿Qué significa bLF ?
This fault indicates an issue with the brake control system, where the brake release current may not have been reached or the brake engage frequency threshold ([Brake engage freq] (bEn)) is incorrectly set or not assigned despite brake control ([Brake assignment] (bLC)) being active. This can lead to improper motor braking or starting.
Causas comunes
- Brake release current not reached
- Brake engage frequency threshold ([Brake engage freq] (bEn)) = [No] (not set) whereas the brake control ([Brake assignment] (bLC)) is assigned
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
Check the drive/motor connection.
- 2
Check the motor windings.
- 3
Check the [Brake release I FW] (Ibr) setting in the [APPLICATION FUNCT.] (FUn-) menu, page 85.
- 4
Apply the recommended settings for [Brake engage freq] (bEn), pages 84 and 85.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Schindler Altivar 312 Drive