Código 207311: <location>Bypass motor switch
Descripción del problema y advertencia de seguridad
El Siemens SINUMERIK 840D CNC ha desencadenado una alarma crítica <location>Bypass motor switch. 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
Message value: Fault cause: %1 bin Drive object: SERVO, VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY SINAMICS-Alarms Cause: Fault value: Bit field BYPASS_CONTACTOR_ERROR_STATE Bit 1 BYPASS_CONTACTOR_ERR_FBK_ON_MISSING Switch "Closed" feedback signal missing Bit 2 BYPASS_CONTACTOR_ERR_FBK_OFF_MISSING Switch "opened" feedback signal missing Bit 3 BYPASS_CONTACTOR_ERR_TOO_SLOW Switch feedback signal too slow: After switching, the system waits for the posit ive feedback signal. If the f eedback signal is received later than the specified time, then a fault trip (shutdown) is issued. Bit 6 BYPASS_CONTACTOR_ERR_BYPASS_INCONSISTENCY Drive switch feedback signal is not consistent with the bypass state: When powering up or for STAGING, the drive switch is closed. See also: p1260 (Bypass configuration), r1261 (Byp ass control/status word), p1266 (Bypass, control command), p1267 (Bypass changeover source confi guration), p1269 (Bypass switch feedback signal), p1274 (Bypass switch monitoring time) Remedy: - check the transfer of the feedback signals. - check the switch
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 207311, 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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