Sonicare DiamondClean Smart Sonic electric toothbrush with app

Personalized coaching, Smart brush head sensors, Smart brush head recognition, 4 modes, 3 intensities HX9903/01


My Sonicare toothbrush vibrates less powerfull than before

If your Philips Sonicare toothbrush is vibrating less powerful than before, you can often solve this yourself. Make sure that the toothbrush is fully charged.

Disable the Easystart function

The Easystart function on your Sonicare toothbrush might be activated. Disable the Easystart function for DiamondClean Smart toothbrushes:

  1. Place your DiamondClean Smart on the charger.
  2. Hold the mode/intensity button and press the power button once
  3. The handle will beep once to confirm it is disabled

When the handle will beep twice, the Easystart function is enabled. Please make sure to disable again using the instructions above.

Select the right brushing mode

Try using different brushing modes and find the optimal brushing experience for you.

Intensity settings

Your toothbrush has different high, medium and lower intensity settings. Try using a higher intensity and find the optimal brushing experience for you.

Replace your Sonicare brush head

Older brush heads can seem less effective or powerful while brushing. If your brush head has been in use for more than 3 months, we recommend you to replace your brush head.

A mechanical defect

If did this not solve the issue, please contact us. Your toothbrush may be at fault.

The information on this page applies to the following models: HX9903/01 , HX9903/11 , HX9903/21 , HX9903/41 , HX9957/51 , HX9985/08 , HX9985/48 , HX9985/28 , HX9985/18 , HX9985/01 . more less

Not what you are looking for?

Did we answer your question?

If not, contact us. chat