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FANUC Alarm PRIO-369 — EtherNet/IP System Error

FANUC PRIO-369 (“EtherNet/IP System Error”): An unexpected system level error has occurred. First check: Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Updated 2026-09-17 · LogrobotLM reference

Description

An unexpected system level error has occurred.

Remedy

Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Related codes

PRIO-359EtherNet/IP I/O Timeout ErrorPRIO-360EtherNet/IP Adp Not in Run ModePRIO-490Modbus TCP Server ErrorPRIO-493Modbus Socket Error

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 →