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Código 207414: <location>Drive: Encoder serial number changed

Descripción del problema y advertencia de seguridad

El Siemens SINUMERIK 840D CNC ha desencadenado una alarma crítica <location>Drive: Encoder serial number changed. 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: Drive object: SERVO Reaction: ENCODER (NONE, OFF2) Acknowledge: IMMEDIATELY SINAMICS-Alarms Diagnostics Manual (DAsl), 03/2009 Cause: The serial number of the motor encoder of a synchronous motor has changed. The change was only checked for encoders with serial number (e.g. EnDat encoders) and build-in motors (e.g. p0300 = 401) or third-party motors (p0300 = 2). Cause 1: The encoder was replaced. Cause 2: A third-party, build-in or line ar motor was re-commissioned. Cause 3: The motor with integrated and adjusted encoder was replaced. Cause 4: The firmware was updated to a version that checks the encoder serial number. Remedy: Re causes 1, 2: Carry out an automatic adjustment using the pole positi on identification routine. First, accept the serial number with p0440 = 1. Acknowledge the fault. Initiate the pole position identification routine with p1990 = 1. Then check that the pole position identification routine is correctly executed. SERVO: If a pole position identification te chnique is selected in p1980, and if p0301 does not contain a motor type with an encoder adjusted in the factor y, then p1990 is automatically activated. or Set the adjustment via p0431. In this case, the new serial number is automatically accepted. or Mechanically adjust the encoder. Accept the new serial number with p0440 = 1. Re causes 3, 4: Accept the new serial number with p0440 = 1.

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 207414, 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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