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1400H

Double Input Discrepancy Detection Error

Mitsubishi Electric · MELSEC iQ-R I/O Module

¿Qué significa 1400H ?

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.

Causas comunes

  • 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'.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  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.

Ver todos los códigos en este manual (56)
Datos técnicos verificados. Última actualización: March 2026

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