Einstein only checks the services on the headed systems and can send a hit to repair a fault. However with your box being offline then no signal is being received or sent from the box.
A hard reboot may be in order. turn off the box at the back
Hold the + and standby buttons (on the v6 box) together and then turn the box on and wait till you see the welcome screen.
Feel free to click on the thumbs up thingy and kudos thing. It really helps me to feel important and boosts my ego.
Seriously though, I'm happy to help.