Electric Car Common Faults And Maintenance.

The voltmeter has no indication after turning on the power supply.

1. Poor contact of battery connector cable.

1. reattach.

2. After the connecting wire is short-circuited, the fuse is blown.

2. Find out the short route and change the fuse.

3. Poor contact of voltmeter connector.

3. Re-weld.

There is voltage indication, but the car does not start.

1. Poor contact of battery wiring board.

1. reattach.

2. The battery voltage is too low, and the contactor is not closed.

2. Re-electrify or check whether the battery is faulty.

3. The motor wire falls off.

3. Reconnect the wiring.

4. The handbrake is not put to the end.

4. Put the hand brake to the end.

Improper braking.

1. the two brakes are not synchronized.

1. adjust the double brake.

2. Brake pads are worn.

2. Replace brake pads.

Motor does not turn or is weak.

1. The carbon brush of DC motor is worn.

1. update the carbon brush.

2. Motor damage.

2. Repair the motor.

3. The controller is damaged.

3. Change the controller.

Undercharging.

1. the charging fuse is damaged.

1. change the fuse.

2. The charging socket is damaged.

2. Change the socket.

The voltage is less than 220V.

3. Adjust the voltage.

4. The charging cable is too thin.

4. Change more than 6 square wires.

The whole car has electricity, but the car does not run and the brake lights are on.

Check that the power switch contact on the brake pedal is not jacked up.

Grease the joint between the brake pedal and the brake power switch.