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Honeywell ULTRA PLUS HUL565 Series - Troubleshooting

Honeywell ULTRA PLUS HUL565 Series
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9
PROBLEM POSSIBLE CAUSE SOLUTION
No power lights Unit not plugged in
Unit is not turned on
Plug unit in
Turn unit on
Power is on and little or
no mist is produced
No water in Tank
Set humidity level has been
reached.
Mineral deposits on Nebulizer
Power setting may be too low
Auto shut off feature has been
engaged
The demineralization cartridge
(sold separately) may be beyond
its service life
Fill Water Tank
Increase Humidity Control setting. See
Using Your Humidifier section.
Clean Nebulizer (Refer to Cleaning Your
Humidifier section)
Adjust Mist Output to next level
Reset the humidifier by turning it off for a
few seconds, then turn back on
Remove Cartridge; contact Consumer
Relations for replacement
Unit is leaking Tank may be damaged
Tank Cap is not tight
Tank Cap Gasket may be
missing
Unit may not be on a level
surface
Check for cracks on tank and contact
Consumer Relations
to replace, if necessary.
Tighten Tank Cap
Check to see if Gasket is attached
to inside of Cap; contact Consumer
Relations
for replacement
Be sure unit is level
Condensation forms
around humidifier or
on windows
Mist intensity is set too high
for room size or current
humidity level
Decrease mist output to low setting or
open door to the room
White dust settling on
surfaces in room
Mineral content in hard water Dilute tap water with distilled water to
minimize white dust
Consider use of a PDC51V2 (PDC51CV2
in Canada) Demineralization Cartridge;
contact Consumer Relations to purchase
NOTE: Failure to keep this unit clean from mineral deposits normally contained in any water supply will
affect the efficiency of operation of this unit. Customer failure to follow these instructions may void the
warranty.
TROUBLESHOOTING

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