FANUC Alarm CVIS-280 — The window index register value is invalid.
FANUC CVIS-280 (“The window index register value is invalid.”): The window index register value is invalid. First check: Set the window index register to a value between 1 and the number of windows.
Updated 2026-09-17 · LogrobotLM reference
Description
The window index register value is invalid.
Remedy
Set the window index register to a value between 1 and the number of windows.
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 →