LG · Air purifier

E2

Code guidance

Gas sensor issue

The air purifier detected an abnormal condition involving its gas sensor.

Service recommended

Contact LG Support for sensor inspection.

Possible meaning

The air purifier detected an abnormal condition involving its gas sensor.

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