Well it is always interesting to see how people react to Festool issues. I also have had to replace twice, both the cord and the connector, in the RO 150. This just happened to me last week while sanding the hull of a 55 foot fish boat. After the first time that it happened about a year ago I made damn sure that the cord is plugged in fully and turned. I must have at least ten of the Festool Plug-it tools and at $70 a pop with freight it could become a major nickle and dollar problem. I feel that the pins are to small and not tight to each other enough. I also have some Milwaukee tools that are also plug it style cords and I have never melted down one in twenty five years of using them. Below is a photo of my latest Festool melt down