If it is found that the fault is caused by the short circuit of the wire, we can discharge the short circuit; if the cause of the fault is a short circuit in the motor, we should send the fast door motor to a special repair shop to solve the fault; but if it is connected by wire If something goes wrong, then we just have to correct the wiring. As for the cause of the fault, the motor is shorted to ground, and it needs to be sent to a special repair shop for repair.

When using the quick door, there will always be a quick door that does not work properly. When using a fast door motor, there may be a problem of drastic drop in speed or excessive noise. There are two reasons for the drastic drop in speed, first of all, load overload. We can use a way to reduce the load or switch the more powerful motor.