Geeetech

this might be a manufacuring defect, you need to contact the sales to talk about it.

Seems like you have set the home position to MAX not MIN:

how's the driver boards? are they ok? I think you need to check them as the link shows:
http://www.geeetech.com/forum/viewtopic ... 17&t=17038

can't open the video, but I designed a mount here and find a vase for you too, see if they helps:

I think this might be the voltage not proper, you can check it as this link shows:
http://www.geeetech.com/forum/viewtopic ... 17&t=17038

yes exactly.

Just click "pause print" and home the X axis, then resume print after clean the hotend, no need to modify the gcodes, repetier host has this function.

Then I think you need to contact the sales to talk about this, the mainboard might be defective.

Is the USB cable dead or the chip for the USB is dead? use another cable will it work?

How did you know that? You're a genius haha.