13EN2 Pull the back cover.3 Remove the filter from the appliance.4 Clean the surface of the filter with a vacuum cleaner.5 Put the filter back into the appliance.6 Reattach the back cover.7 Put the plug of the appliance in the power socket.8 Tap the button to switch on the appliance.9 Tap and hold the button for 3 seconds to reset the filtercleaning time.10 Wash your hands thoroughly after cleaning the filter.Cleaning the humidification filter23 S11231h1 2 31 Switch off the appliance and unplug from the power socket.2 Open the top cover ( 1 ),and then open the lid of the humidification filter ( 2 ). Take the filterout from the appliance ( 3 ).3 Soak the humidification filter with mild or acid cleanser (24g citric acid with 4L water or 100mlwhite vinegar with 4L water) for 1 hour.4 Rinse the filter thoroughly with a slow and steady stream of water under the tap. Do not rub thefilter.5 Put the humidification filter back into the appliance.6 Install the top cover of humidification filter, and then install the top cover of the water tank.Note:• Avoid squeezing or rubbing the humidification filter as this may damage it, leading to a reduction inits humification effectiveness.• To ensure the optimal performance of the filter, avoid drying it directly in sunlight.3s94 5 6 21