Toothbrush operates a
short stuttering sound
after 2 minutes 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 3794,
3753, 3758, 3771, 3765, 3754, 3764, 3762, 3767 and 3776, are in compli-
ance with Directive 2014/53/EU. The full text of the EU declaration of con-
formity is available at the following internet address: www.oralb.com/ce.
Timer has been modifi ed/
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 temperature for
charging is out of valid range
(< 0°C and > 40°C).
3. Charger may not be (prop-
erly) 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 Trouble
Shootings).
1. Charge at least for 30min.
2. Recommended ambient
temperature for charging is
5°C to 35°C.
3. Ensure charger is connected
to mains voltage.
1. Check proper fi t 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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