FANUC Alarm WNDW-001 — WARN Invalid screen name format
FANUC WNDW-001 (“WARN Invalid screen name format”): Format of screen name in DEF_SCREEN, ACT_SCREEN, or ATT_WINDOW_S call is invalid. First check: Screen names must be 1-4 alpla- characters Supply a valid screen name
Updated 2026-09-17 · LogrobotLM reference
Description
Format of screen name in DEF_SCREEN, ACT_SCREEN, or ATT_WINDOW_S call is invalid.
Remedy
Screen names must be 1-4 alpla- characters Supply a valid screen 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 →