Código 21614: [Channel %1: ] Axis %2 hardware limit switch %3
Descripción del problema y advertencia de seguridad
El Siemens SINUMERIK 840D CNC ha desencadenado una alarma crítica [Channel %1: ] Axis %2 hardware limit switch %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 = Channel number %2 = Axis name, spindle number %3 = String (+, - or +/-) Definitions: The signal DB31,... DBX12.1 / 12.0 (Hardware limi t switch plus/minus) has been set at the NC/PLC interface. Reaction: NC Start disable in this channel. Alarm display. Remedy: Please inform the authorized personnel/service department. 1. With axes that have already been referenced, th e software limit switch 1 or 2 should respond before the hardware limit switch is reached. Check MD36110 $MA_POS_LIMIT_PLUS, MD36100 $MA_POS_LIMIT_MINUS, MD36130 $MA_POS_LIMIT_PLUS2 and MD36120 $MA_POS_LIMIT_MINUS2 and the NC/PLC interface signal for the selection DB31,... DBX12.3 / 12.2 (1st/2nd software limit switch plus/minus) and correct, if nec essary (PLC user program). 2. If the axis has not yet been referenced, it is possi ble to depart from the hardware limit switch in the opposite direction in JOG mode. 3. Check the PLC user program and the connection fr om the switch to the PLC input module, provided the axis has not reached the har dware limit switch at all. 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 21614, 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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