Back Z Motor error

Hello, my issue is when I home the Z axis the front two motors go up like they’re supposed to, but while the back Z motor goes down. When I go up or down after setting the kinematic zero, all three are going in the right direction. Any help would be greatly appreciated!
7 Replies
Lance
LanceOP4mo ago
I think it might be a bad stepper driver.
Helge Keck
Helge Keck4mo ago
check the rear leadscrew motor coupler
Lance
LanceOP4mo ago
The coupler is tight @miklschmidt would you happen to know what is happening or should I go through it like my x and y motors?
miklschmidt
miklschmidt4mo ago
This looks exactly like the x/y issue you had, did it work for x/y to just swap the slots? if so, i think your board is fucked. And you're kind of out of slots.
Lance
LanceOP4mo ago
It’s a brand new board What about the stepper drivers
miklschmidt
miklschmidt4mo ago
Yeah well, it's cursed. If you swapped the slots and it works then it's obviously not the drivers drivers also don't fail like this
Lance
LanceOP4mo ago
I accidentally swapped drivers. The x and y shit happened on both old and new boards. So the x and y drivers are in the back and right z slots. I will try and move the z slot and try a new driver when I get home

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