(1) Of course, first check that if there is power supply to it, if it is due to power reasons, connected to the power on it.
(2) whether if the doors have mopping the ground, if this phenomenon, the door will be very difficult to start, the main controller will be considered to have barriers to self-locking protection, so that doors stop movement;
(3) Check the door of the spreader part of the wheel is falling off from the track, if this phenomenon, the door will walk.
(4) to check whether the automatic door sensor installed "safety beam", because the safety light on the light-receiving device can cause misuse of the cover, the automatic door control mistakenly believe that the object in the middle of the door, thus the door don't close.
In modern city we can find automatic doors everywhere, shopping malls, hotels and other public places, the use of automatic doors gives a very convenient feeling, but the convenience is often required for automatic doors for testing, good maintenance work. Sometimes the automatic sliding door may failure to work, so what's the problems? Today we will introduce one of the malfunction: the door can not open or close