电动门只能下不能上应该不是电机坏了，应该是控制电机正反装的电控部分或遥控器坏了。
The electric door can only go down and not up. It is not the motor that is broken. It should be the control part that controls the positive and negative installation of the motor or the remote controller that is broken.
自动门的使用越来越广泛，过去是在公众场合应用，现在家居中使用也越来越多，最大原因还是自动门使用起来比较方便。自动门分为：旋转门、弧形门、平移门、紧急疏散平移门、平开门、折叠门、快速门等多种类别。但是，有绝大多数的朋友对自动门的工作原理是不了解的。下面就和一起装修网的小编来一起看看自动门的工作原理吧。
The use of automatic doors is more and more widespread. In the past, they were used in public places. Now they are used more and more in home. The biggest reason is that automatic doors are more convenient to use. Automatic doors are divided into: rotary doors, arc doors, translation doors, emergency evacuation translation doors, flat open doors, folding doors, fast doors and other categories. However, the vast majority of friends do not understand the working principle of automatic doors. Now let's look at the working principle of the automatic door together with the knitting of the decoration network.
自动门的基本工作原理与自动门机的基本组成大体上相同，有了以上构成，再加上开门信号，就可以配置成一套简单的自动门系统了。 自动门的系统配置是指根据使用要求而配备的，与自动门控制器相连的外围辅助控制装置，如开门信号源、门禁系统、安阳雕刻 手套生产设备 果树反光膜 北京纯水设备 保定网站制作 排水槽模具全装置、集中控制等。必须根据建筑物的使用特点。通过人员的组成，楼宇自控的系统要求等合理配备辅助控制装置。
The basic working principle of the automatic door is basically the same as the basic composition of the automatic door machine. With the above structure and the opening signal, a simple automatic door system can be configured. The system configuration of automatic door refers to the peripheral auxiliary control devices connected with automatic door controller, such as open door signal source, access control system, safety device, centralized control, etc. It must be based on the use characteristics of buildings. Auxiliary control devices are reasonably equipped through personnel composition and system requirements of building automation