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1400H

Double Input Discrepancy Detection Error

Mitsubishi Electric · MELSEC iQ-R I/O Module

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A discrepancy has been detected in a double input configuration, meaning the expected redundancy check has failed. This typically points to an issue with the physical wiring, the connected input devices, or an unused input terminal that has not been correctly configured.

Häufige Ursachen

  • Discrepancy detected between redundant double inputs due to wiring faults or device malfunction.
  • An unused input terminal configured for double input is not set to 'Not used' in 'Wiring input selection'.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    For any unused input terminals, set 'Wiring input selection' to 'Not used'.

  2. 2

    Check for the specific input terminal with the error using Double input discrepancy detection state (Un\G1036).

  3. 3

    Review and adjust the connected devices and wiring for the identified problematic input terminal.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Mitsubishi Electric MELSEC iQ-R I/O Module