Panasonic EW?DL82 Operating Instructions Manual page 14

Problem
The movement decreases
when the brush head is
pressed against teeth.
The sound increases when the
brush head is pressed against
teeth.
The toothbrush shaft moves.
14
Possiblecause
The brush head is pressed against teeth too
strong.
(See page 10.)
Action
Apply the brush head lightly against teeth.
This is not a malfunction. (See page 9.)