>>21538930
>grinder looks exactly like a robur but it says "saeco" on the side
Might be a Hercules or Ulissa? 83 or 64mm flats. Think the Herc is a rebranded fiorenzato(makers of pietro) f6.
>giotto
Do some research. Looks like the old old ones had a tendency to burn out their control boxes? EAF is probably going to be your most responsive resource there. Could just be an old italian shitbox. Try not to electrocute yourself.
https://www.home-barista.com/advice/difference-between-ecm-giotto-and-rocket-giotto-t44216.html
https://coffeesnobs.com.au/forum/equipment/brewing-equipment-pointy-end-1500-3000/856056-early-ecm-giotto-needs-an-awful-lot-of-tlc-and-i-need-an-awful-lot-of-help