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FANUC Alarm PRIO-352 — EtherNet/IP Cannot Bind Socket

FANUC PRIO-352 (“EtherNet/IP Cannot Bind Socket”): The robot EtherNet/IP scanner was not able to bind a TCP or a UDP network socket. First check: This alarm generally implies that the Ethernet or TCP/IP interface is not set up correctly.

Updated 2026-09-17 · LogrobotLM reference

Description

The robot EtherNet/IP scanner was not able to bind a TCP or a UDP network socket.

Remedy

This alarm generally implies that the Ethernet or TCP/IP interface is not set up correctly. For example, if no IP address is defined, then the EtherNet/IP cannot initialize. Verify network connectivity using the ping utility (on the robot, and also on the local PC). If the problem persists, document the events that led to the alarm, and call your FANUC or FANUC Robotics technical representative.

Related codes

PRIO-350EtherNet/IP Scanner ErrorPRIO-351EtherNet/IP Cannot Open SocketPRIO-353EtherNet/IP Send ErrorPRIO-354EtherNet/IP Cannot Resolve Name

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →