Electric motor does not turn, the wheel is very difficult to turn, what is the matter?
These judgments are easy to distinguish, the brake line adjusting screw removed, ensure that the brake rocker arm return, motor rotation is not flexible, or not to brake problems, Holzer put the plug line above the motor (plug pulled out, here, in the controller is a plug, 5 lines of red, black, yellow, green and blue), if the motor rotation is flexible, the controller, or the Holzer problem in the motor, the solution is to change 4 and 1 universal controller!
1., the brake does not return bit2. motor left and right bearings damaged3. the Holzer component in the motor is damaged4. the rough copper wire in the motor is broken
Resolvent:You can ask professional instructors for testing and maintenance.Electric cars are divided into alternating current electric vehicles and direct current electric vehicles. Generally speaking, electric vehicles use batteries as their energy source, and through the controller, motor and other components, the electric energy is converted into mechanical energy movement, so as to control the current size and change the speed of the vehicle. The first electric car was made in 1834. It was driven by a DC motor. Today, electric cars have undergone tremendous changes, and there are many kinds of electric cars.