Stepper motors acting strange

no matter what speed I enter for them to home or move they home at a good speed but when a try to move them up manually with the software they go really really slow with a jerky sound.

all i have done is move from one printer frame to another the steps per mm is 80 i moved the motors and controller to the new frame so it should be ok but its like i have the steps per mm wrong but i know they worked on the old printer


  • So if I understood it correctly you moved steppers and board with firmware so nothing changed on that side.

    Speed for normal move sis determined by host stoftware. Could it be that the new frame has high friction making steps fail?
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