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Código 27251: PROFIsafe: F module %1, %2 reports error %3

Descripción del problema y advertencia de seguridad

El Siemens SINUMERIK 840D CNC ha desencadenado una alarma crítica PROFIsafe: F module %1, %2 reports error %3. Se requiere la atención inmediata de un operador calificado o técnico de mantenimiento para evitar daños secundarios al equipo o piezas estropeadas durante el ciclo de fabricación. Asegúrese siempre de seguir los procedimientos de seguridad estándar y LOTO antes de acceder a los armarios eléctricos.

Pasos oficiales de solución de problemas

Parameters: %1 = PROFIsafe address %2 = Reporting component (master/slave) %3 = Error code Definitions: An error occurred in the PROFIsafe communication between the F master and the specified F module which was detected by the component (master/slave) shown in parameter %2. The error code specifies the error type: - %3 = TO: The parameterized communication timeout was exceeded - %3 = CRC: A CRC error was detected - %3 = CN: An error in the time sequence of the F messages was detected - %3 = SF: F master error, NCK/PLC are no longer synchronous - %3 = EA: Communication error, slave sends empty messages Reaction: Mode group not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Trigger a STOP D/E (settable via MD $MN_SPL_STO P_MODE) on all axes with safety functionality. Diagnostics Manual (DAsl), 03/2009 Remedy: Check the DP wiring. Restart F slave modules. Restart the NCK/PLC. Program Continuation: Clear alarm with the RESET key. Restart part program

Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

Acerca de las alarmas de Siemens SINUMERIK 840D CNC

Los controladores industriales construidos por Siemens están diseñados con amplios sistemas de diagnóstico para proteger los circuitos internos y los enlaces mecánicos. Cuando un SINUMERIK 840D CNC arroja un código de error como 27251, generalmente indica un desajuste entre los valores ordenados y la retroalimentación real del sensor.

Lista completa de alarmas: 4014 Siemens SINUMERIK 840D CNC códigos.

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