Topic
Diagnose and fix common e-bike problems including battery, motor, and electrical issues.
Eight causes of fast e-bike battery drain, from assist level and tire pressure to cold, aging and BMS faults, with what to check first and when to stop.
What a replacement e-bike controller must match (voltage, current, Hall sensors, connectors, display), how to rule out other faults, and when to see a pro.
How to check an e-bike motor's Hall sensor supply and three signal wires with a multimeter, read the results, and know when to stop and see a shop.
Why an e-bike battery won't charge: outlet, charger, port, temperature lockouts and deep discharge, with realistic charge times and when to stop.