LogrobotLM

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 FILE-018 — WARN File is already opened

FANUC FILE-018 (“WARN File is already opened”): You tried to create/delete/rename a file which is already opened. First check: Close file before such operations.

Updated 2026-08-29 · LogrobotLM reference

Description

You tried to create/delete/rename a file which is already opened.

Remedy · Remède

Close file before such operations.

Frequently asked · Questions fréquentes

What does FANUC alarm FILE-018 mean?
FANUC FILE-018 (“WARN File is already opened”): You tried to create/delete/rename a file which is already opened.
How do you troubleshoot FANUC alarm FILE-018?
Close file before such operations.

Related codes / Codes liés

FILE-016WARN File cannot expandFILE-017WARN File not openFILE-019WARN File is lockedFILE-020WARN Illegal file size

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 →