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Ender 3d pro Z axiss malfunction


yoyo325
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When using auto home, the Z axis is not moving downwards at all but moving 15 mm up, without having actived the end switch.

Installed 32 bit board V4.2.7  and changed Z axis motor, no result

Using freecad 0.19.2 and have tried several several formats when exporting.

Need some help please

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Matthew
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Posted by: @yoyo325

When using auto home, the Z axis is not moving downwards at all but moving 15 mm up, without having actived the end switch.

Has it been this way since you bought the machine, or is this a new issue? Trying to figure out whether it's a hardware software, or g-code issue.

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Marlin Firmware Service
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Are you using a BLTouch firmware without a BLTouch fitted?

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yoyo325
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yoyo325
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no,not yet

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