LogrobotLM

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FANUC Alarm FILE-031 — WARN Illegal path name

FANUC FILE-031 (“WARN Illegal path name”): Path name contains an illegal character. First check: Check if the path name is correct.

Updated 2026-09-17 · LogrobotLM reference

Description

Path name contains an illegal character.

Remedy

Check if the path name is correct.

Related codes

FILE-029WARN Command is not supportedFILE-030WARN Device lun table is fullFILE-032WARN Illegal parameterFILE-033WARN System file buffer full

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 →