Wilfa HU-400BCA - Page 18

16
INSTRUCTION MANUAL · HUMIDIFIER
EN
The
humidication
capacity is too
low.
There is natural
or articial air
replacement in the
room which interfere
the increase of %RH.
Check if doors and windows
are closed.
Check if there is no air
conditioning working in the
room.
The air inlet grids,
and nozzle could be
blocked.
Remove any blocking items
from the grids and the nozzle.
Too much scale in the
water basin.
Clean transducer.
The humidity selected
rate is too low.
Increase mist output speed.
Increase humidity setting
rate.
Water is too dirty, or
water is kept too long
in the tank.
Clean water tank, change to
fresh clear water.
The ambient
humidity is too
high.
Humidier is working
in CONTINUOUS
MODE.
Change the mode.
The humidity target is
too high.
Select a lower %RH target.
Room is not well-
ventilated.
Open a window to ensure
proper air ow for your
humidier or move the
humidier to a more well-
ventilated room.
Excess water tank has
spilled while lling the
water tank or replacing
the water tank back
onto the base.
Wipe off excess water from
the top and bottom of the
base before replacing the
water tank.
There is
condensation in
the room.
The room temperature
is too low.
Heat the room up.