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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 2026-09-17 · LogrobotLM reference

Description

The USB device is not supported on this hardware.

Remedy

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

Related codes

FILE-072USB over current detectedFILE-073USB error …FILE-075No media inserted or detectedFILE-076… invalid sector 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. How this reference is built →