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FANUC Alarm FILE-072USB over current detected

FANUC FILE-072 (“USB over current detected”): The attached USB devices are drawing more than 500mA of current. First check: Reduce the power draw by removing some devices, or use an external power supply.

Updated 2026-08-29 · LogrobotLM reference

Description

The attached USB devices are drawing more than 500mA of current.

Remedy · Remède

Reduce the power draw by removing some devices, or use an external power supply.

Frequently asked · Questions fréquentes

What does FANUC alarm FILE-072 mean?
FANUC FILE-072 (“USB over current detected”): The attached USB devices are drawing more than 500mA of current.
How do you troubleshoot FANUC alarm FILE-072?
Reduce the power draw by removing some devices, or use an external power supply.

Related codes / Codes liés

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 →