FANUC Alarm WNDW-004 — WARN Invalid disp dev name format
FANUC WNDW-004 (“WARN Invalid disp dev name format”): Invalid format of display device name in DEF_SCREEN or ATT_WINDOW_D call First check: Device names must be 1-4 alpla- characters Supply a valid device name
Updated 2026-09-17 · LogrobotLM reference
Description
Invalid format of display device name in DEF_SCREEN or ATT_WINDOW_D call
Remedy
Device names must be 1-4 alpla- characters Supply a valid device name
Related codes
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 →