While you wait for answers, we may have found some information which could help you.
Click here for Error 30 FlashingK8D45517?
Why is my SMEG Dishwasher showing E1 without water in tray?
Which way up is the upper spray arm - with holes uppermost o?
Clear E1 error code on smeg dishwasher with no water or leak?
Hotpoint Start/Pause button flashing?
Why is dishwasher not fully drained of water?