The Easy Start function on your Sonicare toothbrush might be activated. Disable the Easy Start function for DiamondClean Smart toothbrushes:
- Place your DiamondClean Smart on the charger.
- Hold the mode/intensity button and press the power button once
- The handle will beep once to confirm that Easy Start mode has been disabled.
When the handle beeps twice, the Easy Start function is enabled. Please make sure to disable it again using the instructions above.