Panasonic EW?DE92 Operating Instructions Manual page 16

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.
There is an acidic taste.
The ion lamp turns on, even
though you are not brushing.
The ion lamp does not turn on,
even though you are brushing.
16
Possible cause
The brush head is pressed against teeth too
strong.
(See page 11.)
Some people may notice a taste or sense an
electric current. This is because of the very
weak electric current running inside the oral
cavity.
• This differs depending on the person.
Action
Apply the brush head lightly against teeth.
This is not a malfunction. (See page 10.)
This is not a malfunction.
Concerned users are advised to use SOFT mode
or SENSITIVE mode. (These modes use a weaker
electric current than WHITE mode, so you should
be less aware of it.)
This is not a malfunction.
(See page 14.)