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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 →