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Remove the plaques and using an old tooth brush clean with mild soap and water.. Rinse thoroughly, towel dry and finish drying them with blow drier. The interior of the unit and it's filter should also be cleaned. Depending on what type filer it uses (Aluminum mesh or soft mesh plastic) they too and can be washed with mild soap and water, rinsed and thoroughly dried. Any other type filter material may need to be replaced. Clean the interior with canned compressed air with a straw nozzle and a dry paper towel.
Of course, before you do any of the above, unplug the unit.
There's a reset button on the bag of the unit, as well as a replaceable fuse (if necessary). But before trying all of that, check to make sure that the screen on the back is installed properly. There is a tab on the right side, at the bottom of the filter. If that is not tripping or pushing in the built-in contact, nothing will work. It's a safety switch for when you remove the filter regularly to clean it. Cleaning is simple .. just back flush with warm water in the kitchen sink. Then fold a towel around it to capture most of the water and use a blow drier to finish the job.
clean the metal filter grid blades with a long strip of scotch brite pad and also clean the corona wires in the back of the unit very gently with light grade sandpaper. i had this problem and tried cleaning my unit so many times that i was ready to toss it into the trash. now it works normally. i did some spray painting in the room where the unit was operating and believe it picked up a coating of paint causing the sparking. good luck!
My ionair cleaner doesn't clean the air what so ever. All four filters are perfectly clean after running for over two months. All of them are properly inserted and seated as specified. No filter warnings turn on and the unit works in all other ways. There is an ongoing fire in the hills nearby and our house if full of hazy smoke.
Check the switch and make sure that it is getting power. You can also disconnect the connectors to the swiitch plug the unit back in and touch them together if that works then you know the switch is bad
i am a low voltage tech my wife told me that our 506840 air cleaner stopped working so being a tech geek i had to know why it just stopped working.when plugged in i heard a click telling me that the main board was getting power.opened the back end where power cord goes to put my meter and voltage was going to the main power coil. but the main board was oxidized. when my wife was cleaning the filters and might not have had the filters completely dried the water was dripping down to main board.the unit to main power source is not design very well where water from cleaning the filters can drip down to main power board.solution i am working on is trying to get a new board when we bought this it was $499.00
I cleaned the filters as well earlier and the red filter light still blincked to clean the filters. Then I pushed the power button for about 10 seconds continously and then turned it on and the light turned off.
On the model 30200 there is a safety interlock switch actuated by a plastic tab (about 4" down from the top of the front filter cover) on the right side. Assuming that all you did was take off the front cover and clean or replace the filter(s) and the unit was working previously, this should be your answer. If in taking off the cover the switch actuation tab was broken off, you could (carefully) wedge a tab into the slot where the switch resides. This defeats the safety aspect of certifying that the unit isn't running when you remove the cover. The safe work-around is to unplug the unit before you open it for service.