Next part of the Hangprinter build series! We're also going to get the livestream

Next part of the Hangprinter build series!
We’re also going to get the livestream of the build going very, very soon at https://www.youtube.com/watch?v=G2LTitYojDo
https://www.youtube.com/watch?v=E-Cfdv7CcpY

Sorry to bother but I was wondering if you could help me :sweat_smile:it seems my x pin doesn’t want to work and I was wondering how I could maybe set my E1 to the X motor? But I am a complete noob and don’t really know much sorry.