Handle does
not operate
with existing
SmartGuide in
household.
1. Short stutter-
ing sounds/
flashing light
every 30 sec-
onds or after
2 minutes.
2. Handle does
not operate
any timer.
Handle does
not charge.
This rechargeable toothbrush contains a
radio module which operates in the 2.4 to
2.48 GHz band with a maximum power of
1mW.
1. Synchronizing with existing
SmartGuide failed.
2. Radio transmission is deacti-
vated; radio transmission display
(7) is turned off.
3. SmartGuide is not compatible
with handle.
4. Two handles are already
assigned to SmartGuide.
5. Function is deactivated via app
feature.
1. «Professional timer» or
«2-Minute timer» activated.
2. Timer has been modified/
deactivated via app.
1. Battery is at a very low charger
level.
2. Ambient temperature for charg-
ing is out of valid range (
≥
and
60 °C).
1. Synchronize (existing) handle(s)
(again) via SmartGuide settings
in SmartGuide's battery com-
partment: Press «h/min» for
3 seconds. Turn on handle that
you want to synchronize. Then
turn on second handle you want
to synchronize. Press «h/min» or
«set» to exit synchronization
mode.
2. Activate radio transmission by
simultaneously pressing on/off
(3) and mode button (4) for
2 seconds until radio transmis-
sion display (7) turns on.
3. Handle cannot be used with
excisting SmartGuide.
4. You can synchronize a total of
2 handles only. Change handles
via SmartGuide settings (see 1.)
5. During use of special app fea-
tures, transmission to Smart-
Guide may be deactivated.
You can also (de)activate any
SmartGuide communication via
app.
1. Set your timer to 2-Minute timer
(stuttering sounds/flashing light
after 2min); or set your timer to
Professional timer (stuttering
sounds/flashing light every
30 seconds). Follow steps under
«Timer setup».
2. Use app to change timer set-
tings or perform factory reset
(see App Trouble Shootings).
1. Charging lights might not flash
immediately; it can take up to
30 minutes.
≤
0 °C
2. Recommended ambient tempe-
rature for charging is 5 °C to
35 °C.
Hereby, Braun GmbH declares that the radio
equipment types 3765, 3754, 3764, 3762
and 3767 are in compliance with Directive
2014/53/EU. The full text of the EU declara-
tion of conformity is available at the follow-
ing internet address: www.oralb.com/ce.
25