PPR fusion welders are highly efficient and reliable tools used to connect PPR pipes and fittings. However, during actual use, many users may encounter issues that affect work efficiency or lead to poor connection quality. This article will delve into some of the most common problems with PPR fusion welders and provide effective solutions to help users avoid mistakes, ensuring the quality of pipe connections. 1. Incorrect Heating Temperature Problem: If the heating temperature is too high or too low,