Kash

I finally got mine working. The onboard SD on the SPI BUS was causing issues. Add the below lines to printer.cfg to set the onboard SD CS pin to low...

The EZ31865 comes with the 2 contacts on the left image already connected which is for 2 and 4 wire PT100. I just checked again and turns out for me...

@gianguardo can you share your Marlin config files? Also what LCD are you using? can you share a picture of your board setup?

Great news. The issue comes from undefined SPI devices on the SPI BUS. All devices must be either configured for use, removed or have their CS pin set low if...

@Michael-Jacobsen Can you share your printer.cfg, klippy log and pic of your setup? how many other SPI devices do you have? have you tried other motor slots?

I didn't notice any issues in the config. I just tested my setup in ports 8, 9 & 10 and it does seem like there is some hardware issues somewhere....