LG · Robot vacuum
BUMPER SENSOR
Code guidance
Bumper sensor voice alert
This official voice alert appears when the bumper sensor is obstructed or operating abnormally.
Attention needed
Request LG service if the alert repeats.
Possible meaning
This official voice alert appears when the bumper sensor is obstructed or operating abnormally.
This information is not a professional diagnosis or repair instruction. The same code can mean different things by model, so follow the product manual and official manufacturer guidance first.
This service is not affiliated with or officially operated by the manufacturers shown. Manufacturer names and trademarks are used only to identify products. The information is summarized from official sources, but its meaning may vary by product model and release date.
Official manufacturer sourceVerify with official guidance ↗Official source checked: 2026-08-21