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FANUC Alarm FILE-035 — WARN Device not formatted

Warning
Hardware
storage media
Controllers
R-J3iB / R-30iA
FANUC class
WARN
Hardware family
FANUC storage media alarms: memory card, USB, F-ROM and corrupted data

FANUC FILE-035 (“WARN Device not formatted”): You tried to access a unformatted device. First check: Format the device before using it.

Updated 2026-10-22 · LogrobotLM reference

Description

You tried to access a unformatted device.

Remedy

Format the device before using it.

Field diagnosis

Access to an unformatted medium.

What to check

  • Format the medium before use.
  • Note: Formatting erases everything: check the medium first.

Related codes

FILE-003WARN Device is protectedFILE-075No media inserted or detectedFILE-033WARN System file buffer fullFILE-034WARN Illegal file positionFILE-036WARN File already existFILE-037WARN Directory not empty

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 →