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FANUC Alarm FILE-001 — WARN Device not ready

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-001 (“WARN Device not ready”): Specified file device is not ready. First check: Check if the device is mounted and ready to use.

Updated 2026-10-22 · LogrobotLM reference

Description

Specified file device is not ready.

Remedy

Check if the device is mounted and ready to use. Check if the device name is correct.

Field diagnosis

The designated device is not ready.

What to check

  • Check that it is mounted and usable, and that its name is correct.
  • Note: A memory card that is not fully inserted gives this code rather than FILE-055.

Related codes

FILE-005WARN Device not mountedFILE-055WARN MC not detectedFILE-068UD not detectedFILE-002WARN Device is FullFILE-003WARN Device is protected

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 →