In this welder tutorial, we will show you how to check the cause of fault on weld seam.

During welding, if you find the welding seam is not so perfect, please check the mentioned related point in the video, if you still can not solve the problem, please contact our technology and after sale department directly. You can take the picture of the weld seam, and take the video of your welding process, then we can analyze the problem as detailed as possible for you.