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1 (Argument: 9)

Invalid Checksum in Serial EEPROM

Wago · PFC200 PLC

Was bedeutet 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.

Häufige Ursachen

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

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  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.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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