Electric Bicycle Colorful Display Speedometer

Questions & Answers

Q:After connecting the instrument, the instrument interface displays E10

A:① The communication protocol used in the instrument and controller does not match, and the two cannot communicate;
② The original condition of the entire vehicle is already in poor condition. One of the three devices, namely the booster, rotary knob, and motor, not only breaks down but also has a short circuit. At this time, the controller not only cannot detect it, but also causes the controller to not work, resulting in communication failure between the instrument panel and the controller;