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Hi..i am new user here. As per my knowledge the motors won't move because of the stop switch. There's lots of possiblities. The most likely is that something fell in the hole where the stop switch is - lift your Z bed with 2 hands and look under it - there is a screw sticking very far down. Look where that screw will go - jiggle that stop switch - make sure you hear it click. Often a piece of plastic gets in there. If nothing obvious yet, take the cover off the PCB again and trace that cable.
UM2 Extrusion Upgrade killed main PCB motor drivers!?
in UltiMaker 3D printers
Posted · Edited by Guest
Hi..i am new user here. As per my knowledge the motors won't move because of the stop switch. There's lots of possiblities. The most likely is that something fell in the hole where the stop switch is - lift your Z bed with 2 hands and look under it - there is a screw sticking very far down. Look where that screw will go - jiggle that stop switch - make sure you hear it click. Often a piece of plastic gets in there. If nothing obvious yet, take the cover off the PCB again and trace that cable.
High Density Interconnection PCBs