Coway airmega 400S Manuel D'utilisation page 24

Pollution Sensor
Clean the pollution sensor approximately every 2 months for optimum performance. Follow these instructions
below to clean it.
Dust inlet
Dust outlet
24
2
1
Lens
1
Lift and pull the upper part of front
cover to remove it.
2
Hold the upper part of the pollution
sensor cover and remove it.
3
Wipe the lens, dust inlet, and dust
outlet with a dry cotton swab.
CAUTION
Do not use water. If you use it accidently,
make sure to remove any moisture
completely.
4
Push the pollution sensor cover until
you hear it click into place.
5
Fit the front cover to the grooves at
the bottom of the product, and push
the front cover into place.