Separate the cover from the product and replace the filter.
To avoid polluting the surroundings when replacing the filter, place a newspaper on the floor before you remove the filter.
Once you have replaced the filter, disable the filter replacement alert.
Press and hold the Speed and Indicator buttons simultaneously for 3 seconds or more.
The f(Single Model Filter Replacement Alert) or =(Dual Model Top Filter Replacement Alert) on the Status Display is disabled and the replacement alarm is reset.

Press and hold the Indicator and Sleep Timer buttons simultaneously for 3 seconds or more.
The [ (Bottom Filter Replacement Alert) on the Status Display is disabled and the replacement alarm is reset.

The filter replacement alert will be disabled automatically after 24 hours of the alert being displayed or the power supply to the appliance is cut off.