济南卷帘门维修攻略：电机控箱更换+故障排查，实用到爆！

　　Jinan rolling shutter door maintenance guide: motor control box replacement+troubleshooting, practical to the point of explosion!

　　济南厂房、车间的老板们注意了！工业卷帘门突然“罢工”没反应，耽误生产不说，找维修师傅又怕被坑？其实很多时候不用急着花钱，先做好基础故障排查，就算是电机控箱坏了，跟着步骤也能更换。今天这份维修干货赶紧收藏，不管是自己动手还是监督师傅，都能少走弯路、避开隐患！

　　Attention, bosses of factories and workshops in Jinan! Industrial rolling shutter doors suddenly go on strike without any response, delaying production and causing fear of being tricked by maintenance technicians? In fact, many times there is no need to rush to spend money. First, do a good job of basic troubleshooting. Even if the motor control box is broken, follow the steps to safely replace it. Today's repair tips should be collected quickly. Whether you do it yourself or supervise the master, you can avoid detours and hidden dangers!

　　得明确，卷帘门没反应，先排查简单问题，再处理复杂故障，别上来就拆修。这3步基础排查一定要先做，很多时候都是小问题导致的“假故障”：

　　First of all, it needs to be clarified that the rolling shutter door is not responding. First, investigate simple problems, and then deal with complex faults. Don't just come up and dismantle it for repair. These 3 basic troubleshooting steps must be done first, as many times they are "false faults" caused by minor issues:

　　步查电源，这是常见的诱因。先看电机控箱的电源有没有接通，墙上的插座是不是松动，控制箱对应的空气开关有没有跳闸。如果是三相电的卷帘门，还要检查是不是缺相；再顺带着看看电源线有没有破损、老化，接头处有没有松动。很多时候只是插座接触不良或开关跳闸，重新插紧、合上开关就能恢复正常，省了不少麻烦。

　　The first step is to check the power supply, which is the most common cause. First, check if the power supply of the motor control box is connected, if the wall socket is loose, and if the corresponding air switch of the control box has tripped. If it is a three-phase electric rolling shutter door, it is also necessary to check if there is a phase loss; Also, check if the power cord is damaged or aged, and if the connectors are loose. Many times, it's just poor socket contact or switch tripping that can be restored to normal by re plugging and closing the switch, saving a lot of trouble.

　　第二步查遥控器。排除电源问题后，就看遥控器是不是“掉链子”了。先检查电池有没有没电，换一组新电池试试；再按遥控器按键，看看有没有指示灯亮，要是没反应，可能是按键失灵或遥控器损坏。这时候可以用控制箱上的手动按钮操作，要是手动能正常用，就确定是遥控器的问题，不用再折腾电机和控箱了。

　　The second step is to check the remote control. After ruling out the power issue, check if the remote control is "disconnected". First, check if the battery is running low and try replacing it with a new set of batteries; Press the remote control button again and check if the indicator light is on. If there is no response, it may be due to button failure or damage to the remote control. At this point, you can use the manual button on the control box to operate it. If the manual function is working properly, it is definitely a problem with the remote control, and there is no need to tinker with the motor and control box anymore.

　　第三步查机械部分。如果电源和遥控器都没问题，门还是没反应，就观察门体本身：轨道里有没有异物卡住，比如货物、碎石、油污结块；门体的连接部位，比如链条、卷轴有没有松动、变形，门体有没有倾斜卡顿。这些机械卡滞会让电机负载过大，触发保护机制导致停机，先清理轨道异物、校正门体位置，再测试是否能正常运行。

　　The third step is to check the mechanical part. If there are no issues with the power supply and remote control, but the door still does not respond, observe the door itself: whether there are any foreign objects stuck in the track, such as goods, gravel, oil stains, or clumps; Are the connecting parts of the door body, such as the chain and scroll, loose or deformed, and is the door body tilted or stuck. These mechanical blockages can cause excessive motor load and trigger protection mechanisms, resulting in shutdown. First, clean up foreign objects on the track, correct the position of the door body, and then test whether it can operate normally.

　　要是排查后确定是电机控箱损坏，就按这几步更换，核心原则是“、接线无误”：

　　If it is determined after investigation that the motor control box is damaged, it should be replaced safely according to these steps. The core principle is "safety first, correct wiring":

　　步必须断电操作！更换前一定要关闭总电源，拔掉控箱的电源插头，再用验电笔确认一下没有电，避免带电操作触电。工业卷帘门的控箱电压多为380V或220V，触电风险极高，这一步不能省。

　　The first step is to shut down the power operation! Before replacement, be sure to turn off the main power supply, unplug the power plug of the control box, and it is best to use a voltage tester to confirm that there is no electricity to avoid electric shock during live operation. The control box voltage of industrial rolling shutter doors is mostly 380V or 220V, and the risk of electric shock is extremely high. This step must not be omitted.

　　第二步拆卸旧控箱。先拿出手机，把旧控箱上的接线位置拍下来，清晰记录每根线对应的接口，防止后续接错。然后用螺丝刀拆下固定控箱的螺丝，轻轻断开所有接线，注意别扯断线路，再把旧控箱取下来。

　　Step 2: Disassemble the old control box. First, take out your phone and take a picture of the wiring positions on the old control box, clearly recording the corresponding interfaces for each wire to prevent future misconnections. Then use a screwdriver to remove the screws that fix the control box, gently disconnect all wiring, be careful not to pull off the lines, and then remove the old control box.

　　第三步安装新控箱。把新控箱对准原来的安装位置，用螺丝固定牢固，确保控箱平整、不晃动。然后对照之前拍的照片，把每根线对应接到新控箱的接口上，注意正负极和相线顺序，千万别接反，不然电机可能反转甚烧毁。

　　The third step is to install a new control box. Align the new control box with the original installation position, fix it firmly with screws, and ensure that the control box is flat and does not shake. Then compare with the previous photos and connect each wire to the interface of the new control box. Pay attention to the order of the positive and negative poles and phase wires, and do not connect them in reverse, otherwise the motor may reverse or even burn out.

　　第四步调试测试。接好线后再次检查一遍接线是否正确，确认无误后通电。先用控制箱上的手动按钮测试门体升降，再用遥控器操作，观察门体运行是否顺畅、停止是否精准，有没有异响或卡顿。如果一切正常，就说明更换成功；要是有问题，先断电再检查接线，避免二次损坏。

　　The fourth step is debugging and testing. After connecting the wires, double check if the wiring is correct. After confirming that there are no errors, turn on the power. First, use the manual button on the control box to test the lifting and lowering of the door, and then operate it with the remote control to observe whether the door runs smoothly, stops accurately, and whether there are any abnormal noises or jamming. If everything is normal, it means the replacement was successful; If there is a problem, cut off the power first and then check the wiring to avoid secondary damage.

　　给济南本地的老板们提个醒：工业卷帘门的电机控箱更换涉及电路和机械，要是自己没有电工基础和维修经验，别硬撑着动手，建议找济南本地的门业维修团队上门服务，避免操作不当导致电机烧毁、门体损坏，反而花更多维修费。平时也要注意给控箱做些基础保养，比如定期清理灰尘、检查接线松动，能减少故障发生，让卷帘门用得更久。

　　Finally, a reminder to local bosses in Jinan: the replacement of the motor control box for industrial rolling shutter doors involves circuits and machinery. If you do not have a foundation in electrical engineering and maintenance experience, do not force yourself to do it. It is recommended to seek on-site service from a professional door repair team in Jinan to avoid improper operation leading to motor burnout, door damage, and even more repair costs. It is also important to pay attention to basic maintenance of the control box, such as regularly cleaning dust and checking for loose wiring, which can reduce the occurrence of faults and prolong the use of the rolling shutter door.

　　本文由  济南卷帘门 友情奉献.更多有关的知识请点击  http://www.jnzxmy.com/   真诚的态度.为您提供为的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.

　　This article is a friendly contribution from Jinan Rolling Shutter Doors For more related knowledge, please click http://www.jnzxmy.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.