Plugged in replacement interface absolutely no changes to any thing Z will now go up on down press down it will go down press down again it goes up then up or down even had it go down hit bottom and reverse . Plugged in the computer (this has not been connected for months) X will now go left as required press left again it will go right then left then right. Z basically does the same. Getting red exclamation on stepper drivers occasionally lately all wire connectors checked reworked continuity checked etc. Think I may have reverse fed box the other day also accidentally disconnected a motor at one stage.
Check your motor wiring, loose terminal somewhere most likely, your symptoms match those in docs:blackbox:faq-identify-motor-coils [OpenBuilds Documentation] to a tee
