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My UM2 displays the following error message Z screw stuck

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My UM2  displays the following error message Z screw stuck

However the bill played moves freely by hand but the Um2 is not able to lower the built played even when requested through the advanced menu when I pressed the lower button it just brings the bill plate further up


Edited by Guest

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Can you move it by turning the screw by hand (with printer shut down)?

If yes lift it up by hand and check if the z switch can be actived (you can find it inside the printer underneath the build plate (when it sits at the bottom). At the backside, there is a hole.

The build plate has a screw underneath that goes in that hole to activate the z switch.

You can try to click it with a screw driver

Maybe some plastic is stuck in there

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