Repair Guides
For common two-color wires in electric bicycle circuits, the letter symbol is formed by the symbols of the two colors that make up the wire, with the main color symbol preceding the secondary color symbol.
How do you read electric bicycle models and nameplates? This article explains the classification methods and key technical specifications such as voltage, power, and battery capacity.
What components make up the mechanical system, electronic control system, and charging system of an electric bicycle? This article breaks it down step by step.
Why does the motor spin when powered on? This guide explains how the control system, controller circuits, and charger circuits work together in an electric bicycle.
A comprehensive guide to the core components of electric bicycles: basic definitions, main types, and functions of the motor, controller, battery, charger, and pedal-assist sensor.
Learn how to use battery testers, controller testers, and motor testers for electric bicycle repair. Covers capacity, Hall sensors, phase angle, and phase sequence.
Learn how to disassemble and assemble an electric bicycle step by step. Covers tools, test instruments, front wheel, rear wheel, controller, motor, battery, and more.
Troubleshoot an electric bicycle that won’t run: power, controller, motor, wiring, brushed and brushless faults. Includes 37 real repair cases.
Learn how to troubleshoot electric bicycle weak power, including battery, controller, motor, phase loss, and bearing faults. Includes 16 real repair cases.
Fix electric bicycle short range issues: battery charge, charger faults, brake drag, tire pressure, voltage imbalance, and 5 real repair cases.
Electric bicycle electrical problems like dashboard issues or total power loss? Learn diagnostic methods, troubleshooting steps, precautions, common failure points, and real repair cases.
Electric bicycle speed control not responding or fluctuating? Learn diagnostic methods, troubleshooting steps, precautions, common failure points, and repair cases.