16EN4 Remove all packaging materials of the new filter.5 Put the new filter into the appliance.6 Install the top cover of the filter ( 1 ), and then install the top cover of the water tank ( 2 ).6 Storage1 Turn off the appliance and unplug it from the power socket.2 Clean the appliance, humidification filter and the surface of the purification filter (see chapter“Cleaning and maintenance”).3 Let all parts air dry thoroughly before storing.4 Wrap the filters in air tight plastic bags.5 Store the appliance, filters in a cool, dry location.6 Always thoroughly wash your hands after handling the filters.7 TroubleshootingThis chapter summarizes the most common problems you could encounter with the appliance. If youare unable to solve the problem with that information below, contact the Consumer Care Center inyour country.Problem Possible solutionThe appliance doesnot work properly.• Check if the back cover is properly installed. If not, for safety reason, theappliance will stop working.• The filter replacement alert has been on continuously but you havenot replaced the corresponding filter. As a result, the appliance is nowlocked. In this case, replace the filter and tap and hold the button for 3seconds to reset the filter lifetime counter.There is no airhumidification.• Make sure that the water tank is filled with water and the water tank isplaced on the appliance correctly.• The advanced cold evaporation system in 2-in-1 airhumidification&purifier produces healthy moist air from the outletwithout any visible water mist. Water vapor is invisible to the human eye.• When used in a dry environment, the moisture released by the 2-in-1humidification&purifier will be absorbed surrounding objects suchas walls and furniture, which can prolong the humidification time. Toachieve optimal humidification, it is recommended to close doors andwindows.