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FANUC Alarm PRIO-285 — FL-net Init Error

FANUC PRIO-285 (“FL-net Init Error”): An error was detected in the FL-net connection sequence. First check: Check whether all settings are correct.

Updated 2026-09-17 · LogrobotLM reference

Description

An error was detected in the FL-net connection sequence.

Remedy

Check whether all settings are correct. If this error continues to occur after verifying that all settings are correct, save the setting data in FLNET.SV and send the file to a FANUC service representative.

Related codes

PRIO-283FL-net IP Address IncorrectPRIO-284FL-net Token Interval ErrorPRIO-286FL-net Wait Frame StatusPRIO-287FL-net My Node Dupulicate No.

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 →