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4186H

System Error - Abnormal OS Argument Data

Mitsubishi Electric · MELSEC System Q/L Series

¿Qué significa 4186H ?

An abnormality was detected in the argument data within the Operating System (OS). This indicates a system error that could stem from improper installation of hardware, an unsuitable operating environment, insufficient power supply, or a hardware failure of the CPU module itself.

Causas comunes

  • Power supply module or CPU module not properly installed to the base unit.
  • Operating environment for the system does not satisfy the general specifications of the CPU module.
  • Insufficient power capacity.
  • Hardware failure of the CPU module.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check whether the power supply module and the CPU module are properly installed to the base unit.

  2. 2

    Verify that the operating environment for the system satisfies the general specifications of the CPU module.

  3. 3

    Check whether the power capacity is sufficient for all connected components.

  4. 4

    Reset the CPU module.

  5. 5

    If the same error code is displayed again, diagnose for a hardware failure of the CPU module.

Ver todos los códigos en este manual (53)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Mitsubishi Electric MELSEC System Q/L Series