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1 (Argument: 9)

Invalid Checksum in Serial EEPROM

Wago · PFC200 PLC

¿Qué significa 1 (Argument: 9) ?

An invalid checksum has been detected in the serial EEPROM. This indicates data corruption within the EEPROM, which typically stores critical configuration or operational parameters, leading to system instability or failure to boot correctly.

Causas comunes

  • Data corruption in the serial EEPROM.
  • EEPROM hardware fault causing data read errors.
  • Voltage fluctuations or power disturbances affecting EEPROM write operations.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Switch off the power supply to the controller.

  2. 2

    Reduce the number of I/O modules connected.

  3. 3

    Switch the power supply back on to the controller.

Ver todos los códigos en este manual (23)
Datos técnicos verificados. Última actualización: March 2026

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