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How to maintain, warning and charging notification
speed slow
loud motor noise
car shaking
car not move
car stops
1. battery old
2. no power
3. overload
4. rough road
gear broken
1. motor line loose
2. motor has dead point
battery line loose
spare parts broken
1. replace new battery
2. recharge
3. normal weight 20kg
4. smooth road
factory repair
1. reconnect
2. factory repair
reconnect
factory repair
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