LG PH-U451WN Guía Del Usuario

•  Are you using the product where there is smoke or 

odor?

•  The air cleaning function can deteriorate in locations 

where there is a lot of smoke or odor. Ventilate the 
space and then use the air purifi er.

•  Are you using the product where there is a food 

smell?

•  For the food smell, it can be penetrated to the fi lter, 

therefore ventilate the space and then use the air 
purifi er.

• Did you completely dry the washable HEPA fi lter?

•  If you use the washable fi lter without completely drying 

it, it can generate a weird smell. Therefore dry the fi lter 
completely before using it again.

• Is the water in the humidifi er tray contaminated?

• Clean the tray and water tank, and then refi ll the water.

• Dust sensor keeps high level always.

•  Clean the dust sensor or the fi lter. Due to the vapor 

particles generated during the cooking or boiling, the 
numerical value of the dust sensor can be raised.

• Odor sensor level goes up?

•  LG air purifi er is designed to detect polluted air, 

therefore odor sensor may not react to food odors. But 
deodorization fi lter will remove odor.

•  Aren't the numerical values of the dust sensor, odor 

sensor and cleanness level continuously moving 
from side to side?

•  It is the Start-up function which prepares the unit for 

operation. During this two minutes period, the display 
will fl uctuate to indicate that the unit is sensing the air 
quality in ther room.