19
20
Common failures and check
No.
Problem
Possible cause
Remedy
The speed adjuster
not works or the
maximum speed is
too low.
1
.
Battery voltage is too low.
2
.
Speed adjusting handle
connection becomes loosened.
3. The spring is stuck or failure
inside the speed adjusting handle.
1
1
.
The connection of the battery wires
becomes loosened.
2
.
The left the right brakes didn’t
return back after the cutting off of the
electricity.
3. Connecting wire of the motor wheel
become loosened or damaged.
1
.
Repair and reconnect.
2. Contact our after sale
team.
2
1
.
Full charged
2
.
Replace battery
3
.
Suggest pedal
4. Pump up the tires
3
1
.
The charger socket goes off or the
connection between the plug and the
socket become loosened.
2
.
T
he fuse inside the charger is burn
out.
3
.
The connecting wire of the battery
goes off or the fuse blown.
1
.
Fasten the socket and
the connectors.
2
.
Replace the fuse.
3. Weld the connecting
wire and exchange the
fuse.
4
The indicating light
doesn’t turn green
,the battery becomes
seriously hot.
The charger and the battery
parameters don't match
.
Turn to the supplier for
adjustment or replace
the charger.
5
Lack of mileage.
Others.
1
.
When you cannot eliminate the
failures according to the above
instructions or cannot distinguish
the failures.
2. When the motor wheel,
controller, charger and the battery.
In case of the above
conditions, please turn to the
designated store or sales
dealer for help, and remember
not to open the above
components by yourself, or it
will lose our warranty.
6
Status
Code(Decimal)
State Meaning
Remarks
0
1
2
3
4
5
6
7
8
9
10
11
12
Normal
13
Reservation
Brakes
Power Sensor Fault(Riding Mark)
6 KM/H cruise
Real-time cruising
Battery under voltage
Motor Failure
Communication reception failure
BMS communication failure
Not Realized Here
Protocol Ebike Status Code Meaning
Status
Code(Decimal)
State Meaning
Remarks
21
22
23
24
25
30
Current anomaly
Motor phase deficiency
Motor Hall anomaly
Brake anomaly
Communication anomaly
Yameebike.com
Yameebike.com
1
.
L
ack of charging.
2
.
Battery aging or damaged.
3
.
More uphill, larger upwind, more
frequent braking, starting With too
heavy load.
4. The tire is lack of pressure.
Throttle malfunctioning
Controller failure
Communication dispatch failure
Headlight failure
Throttle anomaly
1
.
ensure the battery is
fully charged.
2
.
hold faster after
recheck.
3. exchange the spring.
The motor is not
functioning.
Charger is not
working.
