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 HOST-003 — WARN File does not exist

FANUC HOST-003 (“WARN File does not exist”): The file you are trying to open or copy does not exist on this device. First check: Open or copy a file that exists on the device.

Updated 2026-08-29 · LogrobotLM reference

Description

The file you are trying to open or copy does not exist on this device.

Remedy · Remède

Open or copy a file that exists on the device.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-003 mean?
FANUC HOST-003 (“WARN File does not exist”): The file you are trying to open or copy does not exist on this device.
How do you troubleshoot FANUC alarm HOST-003?
Open or copy a file that exists on the device.

Related codes / Codes liés

HOST-001WARN End of directory reachedHOST-002WARN File already existsHOST-004WARN Illegal command receivedHOST-005WARN Disk is full

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 →