So I got a new Longevity ProMTS 200 recently and I went to use it over the weekend and had some strange trouble.
I turned the machine on and for some reason the only feature available was the stick welding function. I tried switching the + and - leads, thinking maybe that was the issue, but no luck. Not only did the button nor work to change to MIG / TIG, but none of the other buttons even lit up! (2t / 4t, Material thickness button, material type button)
Has this happened to anyone else?
Any ideas for a fix?