LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm PRIO-356 — EtherNet/IP List Serv Failed

FANUC PRIO-356 (“EtherNet/IP List Serv Failed”): The robot EtherNet/IP Scanner did not receive a List Services Reply message from the remote adapter. First check: Verify the robot controller and the remote adapter device are both connected to the same network.

Updated 2026-09-17 · LogrobotLM reference

Description

The robot EtherNet/IP Scanner did not receive a List Services Reply message from the remote adapter.

Remedy

Verify the robot controller and the remote adapter device are both connected to the same network. Check the remote adapter device and verify it is running properly and verify that EtherNet/IP is enabled on the adapter. Ping the remote adapter device from the robot. Press RESET to restart the robot scanner connection.

Related codes

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 →