Instruction Manual

from.
Troubleshooting
Problem
Possible Cause
Solutions
The charger
indicator light
inoperative
1. The indicator light of a new
FOSOO toothbrush or a FOSOO
toothbrush that hasn't been used for a
long time might be inoperative at the
beginning of charging
If the indicator is still
inoperative after charging for a
few minutes, please contact the
service center authorized by
FOSOO
2. The charging base is not
connected to the electric power source
Please make sure the charger is
properly connected to the
power
3. There are foreign objects in the
groove of the charging base
Remove the foreign body from
the charging base
The toothbrush
pause per 30
seconds
1. The intelligent brushing
reminder is activated
This is not a malfunction, please
continue to use
The toothbrush is
not turning on
1. Under charging
Disconnect the power
2. The voltage of the battery is low
Please charge the toothbrush
The vibration
intensity becomes
weak
1. Inappropriate brush head
installation
Check the installation
2. Use of non-original brush head
Be sure to use the original
brush head
The brush head
cannot be
inserted into the
metal shaft
1. There are foreign objects in the
toothbrush head
Clean the brush head or
Inter space between the brush
head and the handle
Manufacturer: Shenzhen Wellon Technology Co., Limited
Address: Room 202, Block A, No.1 Chuangjin Park, No. 125 Chuangye 2nd Street, No.28 Baoan
area, Bao'an District, Shenzhen, Guangdong, China