There is a maximum room size that your Philips Humidifier or 2-in-1 Purifier & Humidifier can humidify. If you exceed the recommended room size
When windows or doors are open, the humidity from your Philips Humidifier will not remain in the room. Please close the doors and windows.
for your specific humidifier model, the indication on your appliance or hygrometer will not change since your appliance will not be able to provide the expected results.
The most comfortable RH (Relative Humidity) level range is between 40% to 60%. For your health and comfort, when no target RH is selected, Philips Humidifier or 2-in-1 Purifier & Humidifier, humidifies the air continuously and automatically stops once 70% RH level is reached. When environmental RH is lower than 70%, the appliance will resume according to previous settings.
If target RH is selected, the appliance also automatically stop once the selected target RH is reached. When environmental RH becomes lower than the selected target RH, the appliance will resume according to previous settings.
This is a normal function and there is nothing wrong with the appliance. To find out more about RH setting, please refer to User Manual specific for your model.
When the humidification filter is dirty, your humidifier's humidification rate will be reduced. To solve this, please rinse the humidification filter. Remember that it should be cleaned regularly according to instruction on the User Manual specific to your model. If the scale has formed, descale it.
Note: Your humidifier has an advanced cold evaporation system, which produces healthy humid air from the outlet area without the formation of water mist. The water vapor is invisible to human eyes and does not wet the floor or desktop.
There is a maximum room size that your Philips Humidifier or 2-in-1 Purifier & Humidifier can humidify. If you exceed the recommended room size for your specific humidifier model, the indication on your appliance or hygrometer will not change since your appliance will not be able to provide the expected results.
If your Philips Humidifier is equipped with a filter support, please ensure the humidification filter is well assembled around the filter support as your humidifier cannot function without it.
Please make sure to thoroughly check the assembly. To find out more about filter support assembly, please refer to the User Manual specific to your model.
Note: The image below is generic representative, please follow humidification filter installation on User Manual specific for your model.
Please make sure the water tank is correctly assembled on the appliance. The window of water tank and the display should be on the same side of the appliance as indicated in image below.
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The information on this page applies to the following models:HU4805/40 .
