Philips HX5352/46 Manual page 17

Problem
The brush head chatters
against my teeth.
Brushing seems less
powerful.
Solution
This can be avoided by keeping the brush head properly
oriented, with the brush head placed on the gumline at an
angle of 30 to 40 degrees.
The handle may need recharging.
The Easy-start feature may be on and needs to be shut off
(see chapter "Using the appliance")
You may need to clean your brush head.
You may need to replace your brush head.
EngliSh
17