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- 14 -
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4.
Notes and failure analysis
4.1 Notes
It should be store in a ventilated and dry warehouse, should not be stored in
damp, acid and alkali, and should not put with magnetic goods;
Each connector is inserted into the corresponding position by the arrow;
The display LCD avoid colliding from sharp objects ;
It is recommend that the product should not be overload for long time and
overloaded ;
Products should avoid wading or immersion.
4.2 General failure analysis
No
Fault
Possible fault cases
Fault Resolution
1
Motor can not install
on frame
Frame connecting plate
welding deformation
Reduce the welding
deformation
2
Not displayed
Plug-in is not connected
Check all plug-in and connect
Use non-standard display
Use standard one
Battery exhausted
Charge as requirements
3
Mileage not showed
The plug-in of external speed
sensor is not connected
Check plug-in and connect
Magnet is not installed in
place
Check the magnet place and
set
4
Mileage showed abnormal
Magnet position distance
unreasonable
Adjust the distance
Strong environment
interference
Change the environment
5
front/back light not lit
Light control module not
installed
Install the light control module
Plug-in not connected
Check plug-in and connect
Rated voltage of front/back
light not match
Change the rated voltage
6
Brake power failure not
respond
Plug-in not connected
Check plug-in and connect
7
Speed less than 25km/h
Chain speed ratio
unreasonable
Adjust the chain speed ratio
Motor and battery voltage not
match
Choose the reasonable
voltage
