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 automatic door keep opening and closing all the time, can not stop.
(1) There may be moving objects into the sensing area of the induction detector, such as pedestrians, vehicles, flags or even trees.
(2) The sensor direction is too down, when the door is closing, the sensor detect the moving door, the sensor sensing device may mistaken for some people in motion, so that the door opened again.
(3) May be the sensor fixed on the beam and there is a shake phenomenon on the beam, so that the sensor with the jitter, resulting in opening and closing all the time.
(4) A carefully check around if there is a eletric wave near the sensor, because the strong waves may also make the sensor interference, and produce malfunction.