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    HX9903/01 Philips Sonicare DiamondClean Smart 9300 Sonic electric toothbrush with app
    Please be aware that your product may differ in color from this picture, but the support information is same
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    Philips Sonicare DiamondClean Smart 9300 Sonic electric toothbrush with app

    HX9903/01

    My Philips Sonicare toothbrush makes a loud noise

    If your Philips Sonicare toothbrush makes a loud noise when you switch it on, there might be a very simple solution.

    Remove the plastic travel cap

    You may have forgotten to remove the transparent plastic travel cap from the brush head before turning the toothbrush on.

    The information on this page applies to the following models: HX9903/01 , HX9957/51 , HX9903/41 , HX9903/21 , HX9903/11 , HX9192/01 , HX9332/10 , HX9392/05 , HX9372/10 , HX9362/10 , HX9352/10 , HX6321/02 , HX3211/03 , HX3211/33 , HX3211/23 , HX3211/12 , HX6211/99 , HX9371/04 , HX8911/02 , HX6362/02 , HX9382/54 , HX6211/98 , HX6581/50 , HX9342/03 , HX6211/04 , HX6631/24 , HX6211/96 , HX6311/07 , HX9352/04 , HX5661/99 , HX9170/10 , HX3120/01 , HX5610/00 , HX3110/00 , HX5610/04 , HX6512/55 , HX6733/90 , HX9382/05 , HX9332/03 , HX9332/12 , HX9332/05 , HX9332/04 , HX6511/02 , HX6972/10 , HX6311/02 , HX6911/02 , HX6942/10 , HX6932/10 , HX6732/80 , HX6511/50 , HX6711/02 , HX6732/02 , HX7003/12 , HX7012/11 , HX6982/03 , HX7990/02 , HX6902/02 , HX7011/82 , HX5361/29 , HX5752/02 , HX7361/72 , HX9552/02 , HX3881/02 , HX3351/02 , HX3551/02 , HX5751/02 , HX7002/82 , HX7001/82 . Click here to show more product numbers Click here to show less product numbers

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