Traduciendo...
ERR_SOCKET_UNLISTEN

Socket error during Unlisten operation

Allen-Bradley · MicroLogix 1400 Programmable Controllers

¿Qué significa ERR_SOCKET_UNLISTEN ?

An error occurred during the socket unlisten operation. This indicates a failure to properly stop listening for incoming connections, which could leave resources held or in an unstable state.

Causas comunes

  • System resource conflict preventing the release of the listen socket.
  • Internal operating system error during the unlisten process.
  • Modbus TCP port is still actively being accessed by other processes.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Restart the controller to force a clean shutdown and release of network services.

  2. 2

    Verify that no other processes are interfering with the Modbus TCP listener port.

Ver todos los códigos en este manual (60)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Allen-Bradley MicroLogix 1400 Programmable Controllers