20 Most Recent Sharper Image SI491 Humidifier Questions & Answers

have you checked the misting nozzle? if its clogged place it in (CLR) and let soak, I would try to run a little diluted (CLR) through the unit as well, to remove any calcium build up, that is the most common problem with most humidifiers, also check to make sure the pump is working, if not you will need to replace the pump, hope that helped

If this unit is an ultrasonic mist device, the mist element could be defective. They should be quiet, but still purr along and provide ma mist. The best bet it to contact the manufacturer and if under warranty, replace the system.

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clean all the rubber washers. You may have crud preventing a good seal. Where is it leaking from specifically?

Same situation as yours, just picked up the floor model at BedBath. Foudn the manual here: http://media.homedics.com/IBs/SI/EV-HD20_IB.pdf