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13
PROBLEM POSSIBLE CAUSE SOLUTION
No power/no
mist from the
mist nozzle
• Unit is not plugged in
• Humidifier is not turned on
• No power at unit
• Low water level
• The humidistat setting is lower
than the current room humidity
• Transducer/ultrasonic
membrane needs to be cleaned
• Plug unit in
• Press the power button to turn the
unit on
• Check circuits and fuses or try a different
outlet
• Refill the tank with water
• Reset the humidistat to a higher humidity
setting, or change to continuous on
• Follow Cleaning the Transducer/Ultrasonic
Membrane instructions in the Cleaning
and Care section
Peculiar odor • Unit is new
• If unit is in use, the odor
may be a dirty tank or old
tank water
• Old water in the water reservoir
• Remove the tank cover and let the tank air
out in a cool, dry place for 12 hours
• Empty the old water, clean the tank, and
fill with clean water
• Remove and empty the water tank. Pour
out any remaining water in the water
reservoir
Excessive noise • Unit is not level
• Low water level
• Place unit on a flat, even surface
• Check the water level; refill the tank if the
water is low
White dust
accumulation
• Hard water used
• Demineralization cartridge
needs to be replaced
• Use distilled water and a demineralization
cartridge
• Replace demineralization cartridge
TROUBLESHOOTING
CAUTION: All servicing of this humidifier must be performed by authorized HoMedics service
personnel only.
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