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8.3 Avoid any impact towards the hub motor, otherwise, the casting alloy aluminum cover and body may
break.
8.4 Make regular checks on the screws on both sides of the hub motor; fasten them even if they are just a
little bit loose.
8.5 It is necessary to check the cable connection to the motor.
9. Maintaining the controller
For our e-bikes the controller is usually equipped inside the battery pack holder.
It is very important to take care of this electronic component, according to the following guideline:
9.1 Pay attention to protect from ingress of water and immersion in water, which may damage the
controller.
Note: If you think water may have got into the control box, please switch off the power immediately and
pedal without electric assistance. You can pedal with electric assistance as soon as the controller has dried
out.
9.2 Pay attention to protect from any strong shaking and punching, which may damage this controller
9.3 The controller should be used in normal working temperature range from 0°C to +40°C
Warning:
adjust the controller will void the warranty. Please ask your local dealer or authorized service
specialist to repair your bike.
10. Maintaining the power-off control of the brake lever*
This is a very important component for riding with safety. First, you should pay attention to protect it from
impact and avoid any damage. Second, make regular check on all bolts and nuts, and fasten them securely.
11. Simple trouble shooting
The information below is for purpose of explanation, not as a recommendation for user to carry out repair.
Any remedy outlined must be carried out by a competent person who is aware of the safety issues and
sufficiently familiar with electrical maintenance.
Trouble description
After the main battery
switched on, the motor
does
not
generate
assistance
when
pedaling.
Do not open the controller box. Any attempt to open the controller box, modify or
Possible causes
1)the
motor
cable
connection joint) is loose;
2)brake lever did not return well,
which keeps the switch in "power
off" position;
3)battery fuse is broken;
(waterproof
First of all, please check the battery if it
is empty. If yes, charge the battery
immediately. 1) check if the connection
is securely fixed. If loose, joint them
tightly.
2) make the brake lever come back to its
normal position with care, without
braking;
3) open the battery pack top, and check
if the fuse is broken. If yes, please visit
your vendor or authorized service for
installing a new fuse;
Trouble shooting
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