Electric bicycle fault inspection
and troubleshooting methods
Note: When a fault that cannot be eliminated by yourself or a fault that cannot be determined, the internal
damage of the motor, controller, charger, battery pack, etc. please send the vehicle to the place of
purchase or the company's special maintenance station for inspection and maintenance. During the
warranty period, please do not open important parts without authorization, otherwise the company will
not guarantee.
1.When doing bicycle maintenance, the battery must be removed to avoid abnormality that may cause fire
or damage to the battery.
2. Original parts should be used in repairing or maintaining the bicycle, otherwise your bicycle may not
work properly, or related parts may be damaged.
Speed regulation failure
or speed less than 10 km/h
1,Low battery voltage
2,Speeder failure
3,Transmission Group failure
1, Fully charge the battery
2.Send to maintenance station
for repair
1, Take out the battery box and
hang it up.
2,Fastening wiring plug
3, Send to maintenance station
for repair
1, Sufficient gas
2, Sufficient power or check the
charger
3, Replace battery
4, It is recommended to use
pedal assist
1, Fastening socket
2,Send to repair station for
replacement
3,Replace fuse
1,Replace new battery
2,Reconnection \fastening
3,Send to maintenance station
for repair
1, Replace motorcycle handlebar
and repair lines
2, Timely charging
3, Replace left and right brake handle
4, Replace controller or motor
Replace damaged parts/
maintenance lines
Check switch position/replace
booster/overhaul line
1,Loose battery wiring
2,Motor wiring plug loose \off
3,Speeder failure
1,The plug is not inserted
properly
2,Charger fuse blown
3,Battery pack fuse blown
1, When starting the electric hub.
the voltage is lower than 30V
2, Battery switching line fall off
3, Monitor connector loose
4, Controller failure
1, Battery under voltage;
2, Left and right brake handle
damage
3, The controller or motor is
damaged
4, Abnormal line
5, Motorcycle handlebar damage
or line difference
1, The startup mode switch or
motorcycle handlebar is
damaged.
2, Abnormal line
1, Incorrect start-up tax switch
overlap or booster damage
2, Abnormal line
1,Insufficient tire pressure
2,Insufficient charging or
charger failure
3,Battery aging or damage
4,There are many uphill \strong
headwinds \heavy load \poor
road Mow temperature
Hub motor does not work
after power on
Insufficient mileage
after charging
Charger not charging
The battery has sufficient
power but no voltage
indicates that the electric
wheel hub is difficult to
After opening electric door
lock, it is found that the
signal part is normal and
the driving part is abnormal.
Abnormal zero start mode
(switch left and right disk)
Non-zero startup mode
exception (switch in
the middle)
Serial Number Fault description Failure cause analysis Troubleshooting methods
1
2
3
4
5
6
7
8
08
