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Hi there,
During homing process, plate is pushing nozzle up for a bit then it stops.
There is sensor in SE, and if it works fine then it stops plate from moving.
Of course, nozzle itself must be...

hi there
Look like your extruder have stiff nozzle.
Try to move it a little up - down.
If it moves freely then OK, if not then you have to clean it.
This is the source of most problems like your....