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-074 — USB not supported

FANUC FILE-074 (“USB not supported”): The USB device is not supported on this hardware. First check: Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Updated 2026-08-29 · LogrobotLM reference

Description

The USB device is not supported on this hardware.

Remedy · Remède

Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Frequently asked · Questions fréquentes

What does FANUC alarm FILE-074 mean?
FANUC FILE-074 (“USB not supported”): The USB device is not supported on this hardware.
How do you troubleshoot FANUC alarm FILE-074?
Document the events that led to the error, and call your FANUC or FANUC Robotics technical representative.

Related codes / Codes liés

FILE-072USB over current detectedFILE-073USB error %dFILE-075No media inserted or detectedFILE-076%s invalid sector size %d

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 →