What would do my Ionic Air Purifier to shut sour? I have cleaned the gadget. But when I turn it on...

I have cleaned the gadget. But when I turn it on and let it work, I come fund and it has completely shut past its sell-by date? Ideas?
The boil contained by my home will not...
Answers:    Try to make sure that the stick rod is completely down. Mine won't work any if it is even a fraction up.Also, Blades have to be completely DRY. Make sure blades are surrounded by tight too.
My furnace be stale for a week. It...