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98  H

Output disconnection detection

Mitsubishi Electric · MELSEC iQ-R I/O Module

¿Qué significa 98  H ?

A disconnection has been detected on an output terminal. This indicates a physical break in the wiring or loss of continuity to the connected output device, preventing the module from controlling the device.

Causas comunes

  • Physical disconnection of an output line or cable.
  • Faulty connected load or actuator.
  • Loose or damaged terminal connection at the output module or load.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Recover the connection to the output terminal by re-securing wiring or replacing the faulty output device.

  2. 2

    After connection recovery, turn 'Alarm clear request' (Y11) on and off to clear the alarm.

  3. 3

    Verify that 'Output disconnection detection status' reads 0 (Normal) and 'Alarm flag' (X11) turns off after clearing.

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