Clean the Air Filter
Clean the air filters once every 2 weeks, or more, if necessary.
Turn Off the power to the unit.
Pull out the upper section of front panel and lift it up.
Take out a filter with front panel held.
Clean the filter with a vacuum cleaner or with warm water. If dirt is difficult to remove, wash the filter in lukewarm water with neutral detergent.
Dry it completely in the shade after cleaning.
Then set a filter orderly.
Put the hook of front panel onto the hanger, in order to close the front panel.
Note
The air filter can be broken when it is bent.
When the air filter is not assembled correctly, dust and other substances can enter into the indoor unit.
The feature can be changed according a type of model.