The following is the summary of the experience of Electric Vehicle Manufacturers to share with you five kinds of failures that may occur in electric vehicles.

1. The battery is not charged or insufficiently charged.
End of battery life: replace or repair the battery; fuse in the fuse inside the battery is broken: replace the fuse; poor contact between the fuse of the battery and the fuse holder: adjust the position of the two to make good contact, or replace the fuse; the charger has no output voltage Or the output voltage is low: replace or repair the charger; the charger is in poor contact with the AC 220V power supply: re-plug the power supply; the charger indicator is abnormal and causes false fullness: replace or repair the charger.

2. The power indicator on the instrument panel is off and the motor is operating normally.
There is no voltage between the positive and negative leads of the dial: poor contact of the connector or open circuit of the lead: re-insertion or wire replacement; damaged luminous tube: replace or repair the luminous tube; open circuit on the dial circuit board: replace or repair the instrument circuit board.

3. The dashboard is not bright
Insufficient battery power: charge the battery; poor contact of the battery contacts: adjust the position of the contacts or polish the contacts; poor contact between the fuse and the fuse holder in the battery box: adjust or replace it to make it good; the speed control handle inside the photosensitive tube inside the photosensitive tube There is dirt: cleaning or replacing the photosensitive sheet, wiping the photosensitive tube, and the fault cannot be ruled out: replace the speed control handle; the controller has a fault: replace or repair the controller; the lead of the speed control handle seems to be broken: replace or repair the lead; Failure of the brake power switch: adjust or replace the brake power switch; poor contact after the power lock is ablated: replace or repair the power lock; virtual connection of the connector in the line: re-plug to make it in good contact; the carbon brush in the motor, Wire, winding virtual welding, virtual connection: repair or replace the motor.

4. Turn on the power, the controller works normally, turn the handle, the motor does not turn.
Check whether the right-hand speed control wire is off, whether the controller or motor connector is off; whether the left and right brake levers are powered off.

5. Riding is laborious and slow.
Check whether the brake is locked; whether the inner tube air pressure is appropriate; whether the battery voltage is sufficient; whether it exceeds the limit slope or head wind.

The above content is organized and shared by TAIZHOU SUQIER NEW ENERGY SCIENCE AND TECHNOLOGY CO.,LTD. ,Hoping to help those in need.