I want to fix my Smart roller door in my shop then I found this blog. There are many things to consider when you are fixing a Smart roller door and it is not easy. It is important that you understand the Smart roller door's parts before you start to fix it. The Smart roller door has a motor that needs to be fixed, two rollers and a gear box, two sensors that need to be replaced and the circuit board that needs to be fixed. This blog is an easy guide on how to fix a Smart roller door with pictures.