Trouble Shooting
Problem
APP
Handle does not
operate (properly)
with Oral-B App.
Reset to factory
settings.
TOOTHBRUSH
Handle is not
operating (during
first use).
Short stuttering
sounds after 2
minutes or handle
does not operate
any timer.
Handle does not
charge.
Rattling/loud
noise during
brushing or turn-
ing on.
Possible reason
1. Oral-B App is closed.
2. Bluetooth is not activated on
smartphone.
3. Bluetooth is disabled on handle.
4. Bluetooth connection to smart-
phone has been lost.
5. Your smartphone does not support
Bluetooth 4.2 (or higher)/
Bluetooth Smart.
6. Outdated Oral-B App.
Original functionality wanted.
1. Battery has a very low charge
level; handle does not operate.
2. Operating outside standard tem-
perature (message on display
and/or alternating lights of Smart
Pressure Sensor).
Timer has been modified/deactivated
via App.
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.
Remedy
1. Launch Oral-B App.
2. Activate Bluetooth on smartphone
(described in its user manual).
3. Enable Bluetooth via display Set-
tings -> Bluetooth enable.
4. Pair handle and smartphone again
via App settings. Keep your smart-
phone in close proximity when using
it with handle.
5. Your smartphone must support
Bluetooth 4.2 (or higher) / Bluetooth
Smart in order to pair handle. Check
app.oralb.com for compatible
smartphones and country availability
of the Oral-B App.
6. Download latest Oral-B App.
Enter via display Settings -> Factory
Reset (22). Press on/off button to con-
firm.
1. Charge at least for 30 min.
2. Always operate in standard operat-
ing temperatures (> 0°C and < 40°C).
Use App to change timer settings or
perform factory reset (see App Trouble
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.
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