Humidifier makes
Resonant in water tank
a loud or unusual
when water is too low.
sound.
Humidifier is on an
unstable surface.
Water tank is positioned
incorrectly.
Humidifier is
malfunctioning.
The humidification
There is natural or
capacity is too low.
artificial air replacement
in the room which
interfere the increase of
%RH.
The air inlet grids,
and nozzle could be
blocked.
Too much scale in the
main base or water tank.
The humidity selected
rate is too low.
Water is too dirty, or
water is kept too long in
the tank.
There is
The room temperature
condensation in
is too low.
the room.
The mist suddenly
The water shortage
stops coming out.
indicator is on.
Control button
Hands are too wet when
does not work
operating control panel.
Humidifier has
malfunctioned.
NATURE · HU-400WW
Fill water into water tank.
Move the humidifier to a stable
flat surface.
Turn off and unplug the
humidifier, then align the water
tank cover with its respective
opening in the inner chamber.
Immediately discontinue
use and contact Customer
Support.
Check if doors and windows
are closed.
Check if there is no air
conditioning working in the
room.
Remove any blocking items
from the grids and the nozzle.
Clean transducer.
Increase mist output speed.
Increase humidity setting rate.
Clean water tank, change to
fresh clear water.
Heat the room up.
Refill water tank.
Keep hands dry while
operating the control panel.
Contact Customer Support.
13
EN