I recently received a 3040 cnc from ebay, and have installed the newest mach3 and configured with the settings from the manual. The Z-axis is working perfectly, but then again, I kind of hoped for more than a one axis machine :P
Both the z-axis and the y-axis moves randomly to one of the two directions, even though I keep pressing the positive direction in mach3. Sometimes, it even just jerks forward and back a little and make a lot of noise, so something is definitely wrong. I am thinking the stepper driver boards, but it would be weird for both the X and Y axis boards to be faulty, but the Z axis board working perfectly?
I tried searching for others with the same problem, but seems there aren't a lot of people having trouble with steppers randomly deciding their own directions. As a long time forum lurker, but first time poster, I hope some of you with more experience can help me out, as I am really eager to start this new hobby.
Thanks in advance for any answers!