8Vh Wkh Kxplglàhu; Understand The Humidity Indicator Light; Understand The Healthy Air Protect Alert; Understand The Healthy Air Protect Lock K - Philips HU4902 User Manual

4 Use the
humidifier
Understand the humidity
indicator light
The humidifier is equipped with a built-in
humidity sensor. The current humidity level is
shown on the display (40, 50 or 60 percent).
Note
•
The accuracy of the humidity indication is
approximately plus or minus 5%.
•
It takes some time to measure the humidity level in
the room..
Color of the humidity
indicator light
Blue
Red
The humidity indicator light automatically goes
on when the humidifier is switched on.
Note
•
The built-in humidity sensor measures the humidity
level and automatically selects the appropriate color
of the humidity sensor light. When the desired
humidity level is reached, the color of the humidity
sensor light is in blue. When the humidity level is
not reached, the color of the humidity sensor light
becomes red.
Understand the healthy air
protect alert
The healthy air protect alert gives you a timely
warning when the water tank needs refilling.
When the water in the tank starts getting low,
a red indicator on the control panel starts
blinking to tell you that it is time to refill the
tank.
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Humidity level
target achieved
below target
Understand the healthy air
protect lock
The healthy air protect lock always ensures
that your humidifier does not work without
water in the tank. When the water tank is
empty and needs to be refilled, the healthy
air protect lock shuts off the humidifier and
a red indicator lights up. When you refill the
water tank properly, the humidifier is turned
on again.
Switch the humidifier on and
off
1
Plug the humidifier into the power supply.
» All lights flashes twice.
2
Press the button to switch on the
humidifier.
EN 7