While you wait for answers, we may have found some information which could help you.
Click here for Door Lock ClosingWhy is my SMEG Dishwasher showing E1 without water in tray?
Should This Be Happening?
How to install new knob for smeg dishwasher Type 10028; mod:?
Following prev question smeg DF614WE powercut?
Clear E1 error code on smeg dishwasher with no water or leak?
Smeg Integrated dishwasher?