Unplug the machine and unscrew the phillips head screw on the back grill of the machine, that is just above the plug. There are depressions on the sides of the back grill that has a plastic tang that hold the back grill to the machine. Press the back grill inwards to allow the tangs to clear the sidee and the back grill should now be easily removed. Remove the two thumb screws on the top corners to remove the filter. Once the filter is removed, then you can remove the purification plate and remove the two screws that hold the RCI cell. The RCI cell and filter can be cleaned by vacumming out the dust and dirt.
The purification plate can be cleaned with a old toothbrush and a water and amonia solution. Scrub the metal grid with the toothbrush. Do both sides and then rinse with water, allow it to dry completely before reinstalling the plate. After every part is cleaned reassemble the purifier, and plug it in. Then press the reset reminder button on the front of the keypad to clear the "perform cleaning" message. This message will appear again after the purifier runs for 30 days to remind you to clean the purifier. Hope this helps you.
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Unplug the machine and unscrew the phillips head screw on the back grill of the machine, that is just above the plug. There are depressions on the sides of the back grill that has a plastic tang that hold the back grill to the machine. Press the back grill inwards to allow the tangs to clear the sidee and the back grill should now be easily removed. Remove the two thumb screws on the top corners to remove the filter. Once the filter is removed, then you can remove the purification plate and remove the two screws that hold the RCI cell. The RCI cell and filter can be cleaned by vacumming out the dust and dirt.
The purification plate can be cleaned with a old toothbrush and a water and amonia solution. Scrub the metal grid with the toothbrush. Do both sides and then rinse with water, allow it to dry completely before reinstalling the plate. After every part is cleaned reassemble the purifier, and plug it in. Then press the reset reminder button on the front of the keypad to clear the "perform cleaning" message. This message will appear again after the purifier runs for 30 days to remind you to clean the purifier. Hope this helps you.