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Toothbrush
operates a
short stutter-
ing sound
after 2 min-
utes only or
does not
operate any
stuttering
sound
anymore.
Toothbrush
does not
charge.
Rattling/loud
noise during
brushing or
turning on.
Mode button
lights up in
yellow colour.
The rechargeable toothbrush contains a radio module which
operates in the 2.4 to 2.48 GHz band with a maximum power of
1mW.
Hereby, Braun GmbH declares that the radio equipment types,
3753, 3758, 3771, 3765, 3754, 3764, 3762, 3767 and 3776, are
in compliance with Directive 2014/53/EU. The full text of the EU
declaration of conformity is available at the following internet
address: www.oralb.com/ce.
36
Timer has been
modified/ deactivated
via App.
1. Battery is at a very
low charge level; it
may take up to
30min until brushing
mode display turns
on.
2. Ambient tempera-
ture for charging is
out of valid range
(< 0°C and > 40°C).
3. Charger may not be
(properly)
connected.
1. Brush head may not
be placed correctly
onto the brush
handle.
2. Brush head may be
worn.
Brush Replacement
Reminder indicates
that your brush might
need to be
exchanged.
Use the Oral-B App to
change timer settings
or perform factory
reset (see App Trou-
ble Shootings).
1. Charge at least for
30min.
2. Recommended
ambient tempera-
ture for charging is
5°C to 35°C.
3. Ensure charger is
connected to
mains voltage.
1. Check proper fit of
brush head on
handle. Small gap
remains in
between.
2. Replace brush
head.
Exchange Brush
head and reset timer
by holding mode
button for 2 seconds.
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