Cleaning the Air CleanerE-14Cleaning the Lens of the Dust SensorTo get the best possible result from your air cleaner, you must cleanthe lens of the dust sensor regularly. The dust sensor is responsiblefor sensing the accumulation level of small and big dust particles inthe air in your room.1 Open the front panel.2 Clean the lens of the Dust Sensor thoroughly with a cotton stick.21Dust SensorDust Sensor LensSlightly pull out the bottom part of the front panel(), lift it up()and then separate it from the unit.NNNN oooo tttt eeeeIf the lens of the Dust Sensor is cleaned with a sharp or roughobject, the lens is damaged, so the Dust Sensor may not workproperly.NNNN oooo tttt eeee You must clean the lens of the Dust Sensor every six months.However, this may vary according to the time and place that the aircleaner was operated. So the air cleaner must be cleaned moreoften in environments that have a high level of dust accumulation. The Odor Sensor does not have a lens. So you do not need toclean the Odor Sensor.NNNN oooo tttt eeee3 After you have cleaned the lens of the Dust Sensor, put the front panelback into the place.