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Question: Had some issues with resetting the filter status despite filter being washed several times. Tried holding "ok" button for 5sec but nothing happens.
Document: Great air cleaner, but touchscreen controls did not work properly at first. The timer would cycle through 2hr,4hr,6hr, etc., as would the fan speed. Finally, I got it to stabilize and have had no problems since. Just did the first filter cleaning and now the filter status lights won't reset. Other than these issues, it does a fantastic job of cleaning the air.
This button (according to the manual) is based solely off of a timer. Meaning X amount of hours and it comes on. That's better than nothing but it means you could be cleaning the filters way more or less than needed depending on the conditions of your room.
Having tried almost every other brand of air cleaner ever made this is by far the best of them all! Easy to  operate very quiet and it definitely cleans the air. I'm very pleased with the almost instant ability to breath easier.With numerous allergies this unit is a real blessing and I give it my best recommendation possible. Buy this unit as it is great. Works better than other units costing up to three times as much. Also works better than any Ionization unit made and I've tried them all.
I have smaller, less powerful Honeywell air purifier that  works very well so I wanted one that would cover larger areas, but this product spreads a noxious feeling plastic smell around the house. I've called the customer care line twice and both times was told to run it outside on high until the smell went away, but after several days of trying this the smell is still there.
It has several different modes, including Sleep, General, Allergen, and Max. There is a little bit of smell upon first use, but it mostly wore off in the first couple of days. As for odor removal from the home, it does a pretty good job.Overall, the AirGenius5 features a good design and powerful air cleaning/odor reduction. Like most air cleaners, the sound can be annoying at times, but when it comes to performing its function it is above average.
both filters fine, but today I tried to wash them, and the permanent filter was dark brown, tried to clean it and barely the brown color got off.I'm using it at setting 5 (MAX) everyday non stop.. I don't know if that will reduce my filter life or not but as far as I know everything works as expected.
The instructions say it should go about 3 months between cleanings, but we used it for a month and the filters needed to be cleaned. Maybe we just had it on a lot more than what's normal, and we DO have a lot of dust in our house for some reason. When cleaning the outer and inner filters, the water was so dirty. At least, we know it's working. We haven't tried the odor filter yet and we have yet to see how it does during high allergy season.
(Ours also came with a sample odor-catching filter, which is not washable, but which we haven't tried yet. )My one minor gripe:  the instructions say you need to give the AirGenius three feet of space around it. Well - we've got a toddler, and something like this isn't going to be safe for very long if it's not backed inconspicuously into a corner. In a perfect world, Honeywell would have packed an optional and easily assembled pedestal base to stick the AirGenius into for just this purpose.
By the way, I had originally washed the pre-filter, which smelled really bad, and that didn't help much.It makes NO sense to buy an "air cleaner" if that product emits strong toxins (the smell is the clue for most toxins), if that cleaner strips out other particles but leaves the toxic off-gassing/fumes.
I purchased one unit to see if they would be worth buying a few more for the house. The filter is starting to fill up so it must be catching some dust. It is fairly quiet and the accent light is very low so it works well. I don't know if the germ mode really works, we were all sick a few times when the 6yr old brought it home from school. I will not be buying anymore of these even though it does seem to help with dust.
Answer: You have to wait until all the filter bars are lit, then it will reset