air choice AP-528 사용자 설명서 - 페이지 13

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area or with objects

blocking nearby.

4. Filters are dirty

resulting in filtration

efficiency.

Air

1. Dust sensor is

quality

dirty.

indicato

2. Doors or

r light

windows are always

keeps at

kept open.

red

Pollutants outside

color for

flowed into the

very

room continuously.

long

Therefore, it takes a

time.

longer time to

purify the air.

1. Please clean the dust

sensor to restore its

sensitivity.

Please refer to "Cleaning

and Maintenance" section.

2. Close the windows and

door first. Turn to high fan

speed so that the product

can purify the air in a short

time.