Philips HU4902 User Manual page 21

Problem Possible solution
There is unpleasant • Make sure that the water tank is filled with water.
smell coming • Clean the humidification filter (see the chapter 'Clean the humidification
out from the
filter').
humidifier.
No air comes out Plug the humidifier into the power supply and switch on.
of the air outlet.
I do not see visible When mist is very fine, it is invisible. This humidifier has a specially designed
mist coming out of humidification filter that produces very fine mist. Therefore, you cannot see
the humidifier. Is it the mist.
working?
I want to check Gently blow moist air into the humidity sensor. After a while, the humidity
whether the indication changes. Note that if the initial humidity indication is already 60
humidity sensor percent, the indication cannot show an even higher humidity when you blow
works or not.
moist air towards the sensor.
EN
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