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FANUC Alarm VISN-023 — WARN Invalid window boundaries

FANUC VISN-023 (“WARN Invalid window boundaries”): The window that was to be used for the attempted operation has invalid boundaries, most likely, the high row (column) is less than the low row (column). First check: Change the values of the high and/or low rows (columns).

Updated 2026-09-17 · LogrobotLM reference

Description

The window that was to be used for the attempted operation has invalid boundaries, most likely, the high row (column) is less than the low row (column).

Remedy

Change the values of the high and/or low rows (columns).

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 →