Electric bicycles have a lot of insignificant, but very important small parts – and one of them is the electric bicycle controller. Although the fat tire electric bike is not remarkable, but your electric bicycle start, advance and retreat, stop can depend on it. So what causes an electric vehicle controller to fail?
Power device damage
The damage of power devices is generally caused by the following: motor damage, poor quality of the power device itself or insufficient selection grade, device installation or vibration loosening, motor overload; Power device drive circuit damage or unreasonable design caused by the parameters.
The power supply inside the controller is damaged;
The damage of the internal power supply of the controller is generally as follows: the internal circuit of the controller is short circuit, the peripheral control part is short circuit and the external lead is short circuit.