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2450H

Module major error

Mitsubishi Electric · MELSEC iQ-R Series

¿Qué significa 2450H ?

A critical error has occurred within a module. This error indicates a serious condition that significantly impacts module functionality, and the "Critical" setting is configured to stop the CPU. If the "Direct change setting" is enabled, the system might continue operation without stopping, but the error itself will persist.

Causas comunes

  • The "CPU Module Operation Setting at Error Detected Critical" parameter is set to "Stop" under "I/O Assignment Setting".
  • A critical fault condition occurred in an I/O assigned module.
  • A module was physically removed or experienced a failure during operation while "Direct change setting" was enabled.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify the "Direct change setting" parameter at [Parameter] -> Module model name -> [CPU Parameter] -> "RAS Setting" -> "Online module change setting".

  2. 2

    Check the "CPU Module Operation Setting at Error Detected Critical" parameter setting within System Parameter -> I/O Assignment Setting (each module).

  3. 3

    Before removing a module, ensure the external power supply input to the module is shut off.

Ver todos los códigos en este manual (9)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Mitsubishi Electric MELSEC iQ-R Series