How to repair children's electric vehicles? Simple electric vehicle processing method

How to repair children's electric vehicles? There are problems with children's electric vehicles, how do we deal with them? These problems are problems often encountered by children at home. Therefore, today's Chinese and foreign toy editors give you a brief introduction to the methods and judgments of repairing children's electric vehicles.
How to repair the fault of children's electric car?
1. If there is no electricity in the electric car, please check the following three points:
1. First check whether the battery has an output wire or not.
2. Then check the quality of the fuse and the fuse holder.
3. Finally, check whether the power lock is good or bad.
2. What should I do if the car has electricity but does not leave?
1. Check whether the battery output of the electric vehicle is normal. If the output is too low to prove that the battery is bad, the battery should be replaced.
2. Pull out the brake cable. If the car turns to prove that the handlebar is broken, the handlebar must be replaced or repaired.
3. Check that the handlebar is short-circuited with the wire and the signal line, such as the rotation of the car, proves that the handlebar is bad and needs to be replaced or repaired urgently. Turn on the power and turn the turn bar to measure the positive 5V <1-4> turn bar with the multimeter positive line and the signal line.
4. Whether the controller is good or bad, you can use the positive 5V short connection of the handle bar, such as the handle rotation, indicating that the controller is no problem. The easiest way to smell the controller is if it smells burnt.
5. Check whether the motor is good or bad, and the carbon brush of the motor is not in good contact.
3. How to maintain the children's electric car motor (with and without brush)
1. If the brush motor is connected with a universal meter, it proves that the motor is good or bad.
2. The eight lines of the brushless motor are black, red, yellow, green, blue, yellow, green, and big blue. The black line of the red pen motor of the energy meter is used. The black line of the motor is measured by the black pen. no problem.
3. The brush motor of electric vehicles generally replaces the carbon brush before opening. Pay attention to whether the friction between the converter and the carbon brush is correct, then use sandpaper to rub the converter and the carbon brush to maintain the same distance.
4. Open the motor and pay attention to the motor wire pack. Do not rub the wire pack to avoid damage to the wire pack. Do not use iron to stick the magnetic steel to avoid cracking the magnetic steel.
5. Replace the Hall of the brushless motor. Pay attention to the connection of the Hall wire. For the first time, it is best to get the wire down and weld it to avoid welding mistakes. After welding, use 502 to dip and use AB glue to tighten So as not to be sturdy.
6. Change the magnetic steel and the magnetic steel. Pay attention to the clear and clean glue on the spindle and the magnetic steel. To attract the magnetic steel and the magnetic steel, you should put the glue in the opposite direction and stick it.
4. Turn on the power of the electric door lock, the power indicator of the instrument panel does not light. Turn the handle, the motor does not turn.
1. The fuse on the battery box is burnt out: replace the fuse.
2. Poor contact of the fuse on the battery box: adjust the fuse tube to make good contact.
3. Poor contact of the contacts on the battery box: adjust the contacts to make good contact.
4. The contacts of the battery box are burnt out: replace the new contacts.
5. Burnout of electric door lock: replace with new electric door lock.
6. The battery lead in the battery box is broken: update the connection line.
7. Internal disconnection of the battery in the battery box: replace or repair the battery.
8. The door lock lead or contact lead is open or bad contact: re-wire.
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