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FANUC Alarm FILE-072 — USB over current detected

Warning
Hardware
storage media
Controllers
R-30iA (this generation only)
FANUC class
WARN
Hardware family
FANUC storage media alarms: memory card, USB, F-ROM and corrupted data

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 2026-10-22 · LogrobotLM reference

Description

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

Remedy

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

Field diagnosis

The connected USB devices draw more than 500 mA.

What to check

  • Remove devices or use an external power supply.
  • Note: A bus-powered USB hard drive is over budget.

Related codes

FILE-068UD not detectedFILE-075No media inserted or detectedFILE-070USB hub RemovedFILE-071USB vend: … prod: …FILE-073USB error …FILE-074USB not supported

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 →