As a follow on form our Story.
We had our training today, and took the opportunity to go through our issues.
D E F is not working. This seems to have been poor assembly at the factory. The PDB wasn't well seated, and therefore not connection well.
WE also had developed an issue with Extruded 2 loading, They found some broken filament in the material station. Removed it, put it back together and all worked fine. for a while. Did 2 prints with PLA PVA all loaded / unloaded fine. During the 3rd print, load failed, and now I seem to have a blockage in th