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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-004 — WARN Device not assigned

FANUC FILE-004 (“WARN Device not assigned”): Device is not mounted. First check: Mount the correct file device.

Updated 2026-08-29 · LogrobotLM reference

Description

Device is not mounted. You should mount the device before using it.

Remedy · Remède

Mount the correct file device.

Frequently asked · Questions fréquentes

What does FANUC alarm FILE-004 mean?
FANUC FILE-004 (“WARN Device not assigned”): Device is not mounted. You should mount the device before using it.
How do you troubleshoot FANUC alarm FILE-004?
Mount the correct file device.

Related codes / Codes liés

FILE-002WARN Device is FullFILE-003WARN Device is protectedFILE-005WARN Device not mountedFILE-006WARN Device is already mounted

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 →