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    AC5659/40 Series 5000i Air Purifier
    Please be aware that your product may differ in color from this picture, but the support information is same
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    Series 5000i Air Purifier

    AC5659/40

    My Philips Air Purifier does not improve the air quality

    If the air quality does not improve when using your Philips Air Purifier, there might be some possible causes. Discover here to resolve this.

    Note: All images shown below are generic representations only; there can be some differences among specific appliances.

    Packaging material has not been removed

    Packaging material needs to be removed from the filters from your Philips Air Purifier. Please remove all packaging materials as shown in the below picture.

    Removing the packaging from your Philips Air Purifier

    The filters are not placed correctly

    All filters need to be placed in the right order in your air purifier.

    Most Philips Air Purifiers contain filters as shown in the image below (some do not contain filter B).

    Please check in the user manual what filters your specific air purifier model contains.

    Philips Air Purifier filters

    The air quality sensor is dirty or wet

    The air quality sensor in your Philips air purifier (indicated as D in the image below) should be dry and clean. Please check, and clean it with a cotton bud if necessary.

    Philips Air Purifier air quality sensor

    The windows are open

    If the windows are open and polluted air continues coming in from outside, your purifier might not be able to improve the air quality.

    Make sure that all windows are closed.

    The room is too big

    The room in which you run the air purifier is larger than the maximum size at which this air cleaner can operate effectively.

    Make sure the size of the room does not exceed the maximum indicated for your air purifier model.

    New furniture in the room

    When adding new furniture to a room, the air quality might become affected by gases it might emit. These gases should disappear gradually in the next weeks.

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