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4185H
Ethernet I/F Error - Connection Disconnected
Mitsubishi Electric · MELSEC System Q/L Series
¿Qué significa 4185H ?
The connection to the target device was disconnected prematurely, either before sending a response using the MC protocol or during ongoing communication. This error can sometimes be a symptom of other underlying communication issues, such as a buffer overflow (4184H).
Causas comunes
- Connection to the target device disconnected before sending a response using the MC protocol.
- Connection to the target device disconnected during communication.
- Other errors, such as 4184H, may be contributing to the disconnection.
Pasos de reparación & Lista de verificación
Haga clic en los pasos para seguir su progreso.
- 1
For MC protocol, ensure the connection is maintained until a response to the request has been successfully sent.
- 2
Maintain the connection until a complete sequence of communication transactions is finished.
- 3
If any other error has occurred, take corrective action for that error first.
Datos técnicos verificados. Última actualización: March 2026
Fallas relacionadas
Fuente: Mitsubishi Electric MELSEC System Q/L Series