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9.Maintaining the controller
For our electric 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 -15°C to +40°C
Warning: Do not open the controller box. Any attempt to open the controller box, modify
or adjust the controller will void the warranty. Please ask your local dealer or authorized service specialist
to repair your bike.
10. 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.
After the main battery
switched on, the motor
does not generate
assistance when
pedaling.
1)the motor cable (waterproof
connection joint) is loose; 2) brake
lever did not return well, which keeps
the switch in “power off” position; 3)
battery fuse is broken; 4) the speed
sensor
is too far away from the magnetic
ring on the B.B. axle; 5) the
connection between the sensor and
the controller is loosen or not
connected well.
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; 4) adjusting
the distance between the magnetic ring and
the sensor, to make sure the distance is
within 3mm; 5) fix tight the connection
between the sensor and the controller.
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