一、电机不工作：

1、 Motor not working:

（1）电线可能发生断路，查找接通电线。

(1) There may be an open circuit in the wires, please check and connect the wires.

（2）运转电容可能损坏，检查或更换运转电容。

(2) The operating capacitor may be damaged. Check or replace the operating capacitor.

（3）桥式整流器坏或电磁线圈坏，制动器卡死，更换桥式整流器或电磁线圈。

(3) If the bridge rectifier or electromagnetic coil is damaged, or the brake is stuck, replace the bridge rectifier or electromagnetic coil.

（4）限位开关常闭触点不通，打磨触点或更换限位开关。

(4) The normally closed contact of the limit switch is not working, polish the contact or replace the limit switch.

（5）继电器线圈坏或氧化，更换继电器或打磨触点。

(5) The relay coil is damaged or oxidized, replace the relay or grind the contacts.

（6）相关设备过热保护失效，需要更换过热保护器，制动器粘住。

(6) The overheating protection of the relevant equipment has failed, and the overheating protector needs to be replaced, causing the brake to stick.

（7）济南卷帘门厂提醒您，连续工作时间太长，热保护可能断开，停止工作一段时间，让电机温度下降即可。

(7) Jinan Roller shutter Factory reminds you that if the continuous working time is too long, the thermal protection may be disconnected. Stop working for a period of time, and let the motor temperature drop.

二、卷帘门的制动出现打滑：

2、 The brake of Roller shutter slips:

（1）快速门的制动摩刹片有油污或者其他异物。

(1) The brake pads of the fast door have oil stains or other foreign objects.

（2）压缩弹簧力减小，更换新弹簧。

(2) Reduce the force of the compression spring and replace it with a new one.

（3）电磁铁安装不正确，重新检查安装。

(3) The installation of the electromagnet is incorrect, please recheck the installation.

三、卷帘门的自重下落失效:

3、 Failure of self weight falling of Roller shutter:

（1）快速门的手动拉杆变形，更换手动拉杆。

(1) The manual lever of the fast door is deformed, replace the manual lever.

（2）手动拉杆与垫圈的间隙大，减小间隙即可。

(2) The gap between the manual pull rod and the washer is large, just reduce the gap.

（3）齿轮箱电机润滑失效，需更换油脂。

(3) The lubrication of the gearbox motor has failed, and the grease needs to be replaced.

卷帘门使用期间常见到的三大问题具体内容就讲解到这里了，希望能够给您好的帮助，更多事项就来我们网站http://www.jnhsjlm.com咨询吧！

This is the end of the details of the three common problems during the use of the Roller shutter. I hope you can find some help. More information can be found on our website http://www.jnhsjlm.com Consult!