Oral-B iO Manual page 13

Handle does 1. Battery is at a very low charger
not charge.
2. Ambient temperature for
3. Charger may not be (properly)
Rattling/loud 1. Brush head may not be placed
noise during
brushing or 2. Brush head may be worn.
turning on.
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 3758, 3771, 3765, 3754, 3764,
91451394_SONOS_M7-9_120x170_EE.indd 13 91451394_SONOS_M7-9_120x170_EE.indd 13
level (0%); it may take up to
10-15min until display turns on.
charging is out of valid range
(< 0°C and > 40°C).
connected.
correctly onto the brush handle.
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.
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.
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