First of all, it is necessary to rule out whether the propellant is overloaded. If it is overloaded, it will definitely cause the power to rotate slowly. Another phenomenon is that the motor is not used all year round, and there is rust or insufficient smoothness.

First of all, we must check whether the voltage is too high, and at the same time, we must also check whether the speed control maintenance and installation work is normal. If this situation continues, it is easy to burn out the circuit board.

In theory, the speed of rotation of the motor is uniform and remains the same. If there is an uneven speed, it will generally be that the propellant of the electric window opener is not fixed well, and it is often in a swing state. At this time, it is necessary to check whether the pulley is due to wear. The resistance encountered when rolling is inconsistent.

First of all, it is necessary to check whether the propelling object is too overloaded or the operating track is blocked from moving, and secondly, to check whether the power supply line is abnormal. In addition, it is necessary to check whether the insurance control switch on the left side of the motor reset switch can be closed.The motor rotates at uneven speed.