Was welding and the over current light came on only welding about 70 amp welding a fin back on a vw head. let machine run but light wont go out . took cover off just to see if something was loose everything looked good , only thing i can thing what ever kicks the over current on must be stuck , got my number 3 and 6 and 8 hammer plus duct tape ready to fix it and got a voo doo woman with a dead chicken to take hex off my welder .