1卷帘门维修方法:当电动卷帘门无法启动或者是启动较慢的时候，首先要检查电动机是否能够正常运行工作,若不能则更换电动机。然后检查机械部分有没有卡住的地方,有的话就清除掉即可。

　　1. Rolling shutter door maintenance method: When the electric rolling shutter door cannot be started or starts slowly, the first step is to check whether the motor can operate normally. If not, replace the motor. Then check if there are any stuck parts in the mechanical part, and if so, remove them.

　　2卷帘门维修方法:当出现控制器失效时,首先应该更换电源接触器,然后更换传动齿轮。当出现电动机震动频率过大、噪声过大时。首先应检查轴承是否老化,然后检查滑动轮是否需要添加润滑油等，检查电动机是否损坏。

　　2. Rolling shutter door maintenance method: When the controller fails, the power contactor should be replaced first, and then the transmission gear should be replaced. When the vibration frequency and noise of the motor are too high. Firstly, check if the bearings are aging, then check if the sliding wheel needs to be lubricated, and inspect if the motor is damaged.

　　3卷帘门维修方法:要提醒大家的是,滑动轮和驱动器一年至少要添加一次润滑油,传动皮带一年要进行一次检修,还有定时检查各部件的磨损情况。

　　3 Rolling shutter door maintenance methods: It should be reminded that the sliding wheel and driver should be lubricated at least once a year, the transmission belt should be inspected once a year, and the wear of each component should be checked regularly.

　　常见的卷帘门出现的故障

　　Common malfunctions of rolling shutter doors

　　缓慢或不旋转主要原因可能是电机损坏、线路短路、负载过大或停止按钮没有反弹。应更换损害的电机，检查路由是否连接，拨动限位开关的滑块触摸开关触点，调整开关位置，检查是否有明显机械阻力。

　　The main reasons for slow or non rotating may be motor damage, short circuit in the circuit, excessive load, or no rebound of the stop button. The damaged motor should be replaced, the routing should be checked for connection, the slider of the limit switch should be moved to touch the switch contact, the switch position should be adjusted, and any mechanical resistance should be checked.

　　控制失败当接触器的触点卡住时，微动开关失效，滑动螺钉松动，滑块或螺母不能随螺钉移动，止动器驱动齿轮断开，按钮上、下键卡死。对于这种卷帘门故障，解决方案是更换接触器，更换微动开关或接触件，并紧固螺钉，更换按钮或更换塞子的传动齿轮。

　　Control failure: When the contact of the contactor gets stuck, the micro switch fails, the sliding screw becomes loose, the slider or nut cannot move with the screw, the stopper drives the gear to disconnect, and the up and down buttons get stuck. For this type of rolling shutter door malfunction, the solution is to replace the contactor, replace the micro switch or contact piece, tighten the screws, replace the button or replace the transmission gear of the plug.

　　链条不动卷帘门失效的原因可能是链节被卡住，环形链阻挡了十字槽，并且棘爪没有棘轮。所以导致卷帘门故障。需要改变润滑油并拉直圆形链条。调整棘爪和压力支架的相对位置即可。

　　The reason for the failure of the roller shutter door with a stationary chain may be that the chain link is stuck, the circular chain blocks the cross groove, and the pawl does not have a ratchet. So it caused the roller shutter door to malfunction. Need to change the lubricating oil and straighten the circular chain. Adjust the relative position of the pawl and pressure bracket.

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