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 → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm PRIO-285FL-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 2026-08-29 · LogrobotLM reference

Description

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

Remedy · Remède

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.

Frequently asked · Questions fréquentes

What does FANUC alarm PRIO-285 mean?
FANUC PRIO-285 (“FL-net Init Error”): An error was detected in the FL-net connection sequence.
How do you troubleshoot FANUC alarm PRIO-285?
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 / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →