Hi all, My mendel has ramps V1.2, it was working. Then I lost one direction on the Z-axis (unsure how). Checked the motors and it came down to the port where the stepper driver plugs in not working. So I thought re flash and test. Re flashed with sprinter adding in the correct pins.h information, flash successful but it won't connect to pronterface and the drivers are getting hot. I have a contiby sulfur - RAMPS Electronics