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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.
Handle does
not charge.
1. Battery is at a very low charger
level (0%); it may take up to
10-15min until display turns on.
2. Ambient temperature 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.
Rattling/loud
noise during
brushing or
turning on.
1. Check proper fit of brush head
on handle. Small gap remains in
between.
2. Replace brush head.
The rechargeable toothbrush contains a radio
module which operates in the 2.4 to 2.48 GHz
band with a maximum power of 1mW.
3762 and 3767 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.
Hereby, Braun GmbH declares that the radio
equipment types 3758, 3771, 3765, 3754, 3764,
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