Philips Sonicare Optimal Clean HX6829/76 Manual page 21

If you continue holding the power on/off button after the three
short beeps, the activate/deactivate sequence repeats.
UV sanitizer
With the UV sanitizer you can clean your brush head after every use.
Unplug the sanitizer, discontinue use and call Consumer Care if:
- The UV light bulb remains on when the door is open.
- The window is broken or missing from the sanitizer.
- The sanitizer gives off smoke or a burning smell while it is
operating.
Note: UV light can be harmful to the human eye and skin. This
device should be kept out of reach of children at all times.
1 After brushing, rinse the brush head and shake off excess water.
Warning: Make sure that the brush head cap is not on the
brush head when the brush head is being cleaned in the
sanitizer.
2 Place your finger in the door recess on top of the sanitizer and
pull open the door.
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