E L E C T R I C B I C Y C L E M A N U A L - B I G B O Y
Page 15
Common Circuit Problems Checking
1. Whole bike is out of power/ display cannot be turned on
1.Please use a Multimeter to check whether there is a voltage at the discharge end of the battery. (36V battery voltage is more than 31.5V
generally,48V battery voltage is more than 42.5V generally)
2.Please check whether the battery plug-in is installed in place, whether the positive and negative electrode is installed in reverse;
3.Please check whether the display is burned and change a new display to test;
4.Please check whether the controller is burned and change a new controller to test;
5.Please check whether the harness cable works well and change a new harness to test;
2. If there is a throttle on the bike, Throttle problem solution:
1.Please check the throttle cable connector is good or not and the connector pin is crooked or not;
2.Please change a new throttle to test;
3.Please change a new harness to test;
3. Motor Noise Solution
1.Please check the cable connectors of motor and controller get loose or not, if the connector pin is crooked or not.
2.Please change a new controller to see whether there it still has noise;
3.Please change a new motor to test;
4. Brake lever cannot cut power solution;
1.Please check the connectors of brake lever, harness, controller whether there is any loose or the pin inside the connectors are crooked;
2.Please change a new brake lever to test;
3.Please change a new controller to test;
4.Please change a harness to test;
