Philips HU4902 User Manual page 17

5
Mix white vinegar with an equal amount
of tap water in a container that is large
enough to soak the humidification filter
in.
Water : Vinegar
1 : 1
1 hour
Note
•
The white vinegar is composed with of 5% acetic
acid.
•
If there are white deposits (scale) on the filter,
make sure that the side with the white deposits is
immersed in the water.
6
Let the humidification filter soak in the
solution for one hour.
7
Discard the water-vinegar solution.
8
Rinse the humidification filter under the
tap to rinse away vinegar residues. During
rinsing, turn the humidification filter so
that both the front and back sides are
rinsed.
9
Let excess water drip off the
humidification filter.
10
Put the humidification filter back onto the
float.
11
Turn the cover of the cover of the float
clockwise to put it back in place.
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EN
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