LogrobotLM

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FANUC Alarm FILE-007 — WARN Illegal device number

FANUC FILE-007 (“WARN Illegal device number”): Illegal device number is used. First check: This is an internal error.

Updated 2026-09-17 · LogrobotLM reference

Description

Illegal device number is used.

Remedy

This is an internal error. r. Check the validity of the device number. r.

Related codes

FILE-005WARN Device not mountedFILE-006WARN Device is already mountedFILE-008WARN Illegal device nameFILE-009WARN Illegal logical unit number

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 →