In the maintenance of electric rolling shutter door, it is necessary to connect the two buttons in series to distinguish the positive and negative rotation and stop, and connect the two buttons for controlling the positive and reverse rotation and starting, and connect one end of the stop button with one end of the stop button, and connect the other end of the stop stop button with the power supply to distinguish the fast rolling shutter door from the forward rotation and reverse rotation. The contactor is normally open and the auxiliary contact is connected in parallel with the corresponding high-speed rolling shutter door Move both ends of the button.

济南电动卷帘门维修是比较复杂的，卷帘门中的电路控制零碎中包括：操纵按键盒、远控器、以CPU的控制主板、传感器等构成的检测控制电路等，电子卷帘门具有较强技术性，对我们普通人停止维修有一定难度。在对电子卷帘门停止维修时一定要找一些的维修人员停止调整。

Jinan electric rolling shutter door maintenance is more complex, rolling shutter door circuit control fragmentary, including: control button box, remote controller, CPU control motherboard, sensor and other components of the detection and control circuit, electronic rolling shutter door has strong professional and technical, it is difficult for us ordinary people to stop maintenance. In the electronic roller shutter door maintenance must find some maintenance personnel to stop adjustment.

需要注意的是，在对卷帘门维修时有一些需求留意的事项，在卷帘门维系进程中操作人员不能私自的分开操作点，应亲密留意卷帘门的启闭状况和执行状况，对卷帘门维修时千万不能有人站立或是在门下走动，以防卷帘门行程开关失灵，发作事故。反省电器线路和电器设备能否损坏，假如遭到损坏要及时维修，以免呈现不用要的费事。

It should be noted that there are some matters needing attention when maintaining the rolling shutter door. In the process of maintaining the rolling shutter door, the operator should pay close attention to the opening and closing status and execution status of the rolling shutter door. No one should stand or walk under the door when maintaining the rolling shutter door, so as to prevent the failure of the travel switch of the rolling shutter door and the occurrence of accidents. Reflect on whether the electrical circuit and electrical equipment can be damaged, if damaged, it should be repaired in time, so as to avoid unnecessary trouble.

为了能让电动卷帘门给人们提供实用便利，如果遇到故障在维修，难免会影响使用，因此在平时要注意对电动卷帘门的维护和保养。

In order to make the electric rolling shutter door provide practical convenience for people, if it is in maintenance, it will inevitably affect the use. Therefore, we should pay attention to the maintenance and maintenance of the electric rolling shutter door at ordinary times.