hi everyone. I have my mini cnc machine I bought 2 months ago. It was perfectly working last night until today where Z axis is doing some weird spins. when I hit "up" on my keyboard, it will go up then down for 2 second. Sometimes it goes all the way up. Same thing happens when I hit "down" on my keyboard. What could be the problem with the Z axis? X and Y are working perfectly fine. :drowning:
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