Air humidifier

Up to 38 m2, Spreads 99% less bacteria*, Quiet for good sleep HU4811/60


My Philips Humidifier does not humidify the air

If your Philips Humidifier does not humidify the air (or you notice that the humidity indication does not change), there might be some possible causes. See how to resolve this below.

The room is too big

There’s a maximum room size that your Philips Humidifier can humidify. If you exceed the room size recommended for your specific humidifier model, the indication will not change since your humidifier will not be able to provide the expected results.

The humidification filter is not correctly assembled

The humidification filter should be assembled around the filter support. Your humidifier cannot function without it. Please make sure that this is the case.

Note: The image below does not apply to HU59xx humidifier models.

Humidification filter in Philips Humidifier

Doors or windows are open

When windows or doors are open, the humidity from your Philips Humidifier will not remain in the room.

Please close the doors and windows.

The humidity level is 70% or more

Your humidifier is designed to automatically switch off once the 70% RH (Relative Humidity) level is reached. The reason for this is that humidity above 70% is not comfortable for users.

In this case, you should not worry. There is nothing wrong with your humidifier.

The humidification filter is dirty

When the humidification filter is dirty, your humidifier cannot humidify.

To solve this, please rinse the humidification filter (it should be cleaned every week). If scale has formed, descale it.

It looks like no water vapour/mist is coming out

Your humidifier has an advanced cold evaporation system, which produces healthy humid air from the outlet area without forming water mist.

The water vapour is invisible to the human eye and will not get the floor or desktop wet.

The information on this page applies to the following models: HU4811/60 , HU4803/01 .

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