While you wait for answers, we may have found some information which could help you.
Click here for E1 Code Dishwasher Waterdishwasher stuck on finished?
how can I fix my dishwasher, SMEG, DC122SS?
Clear E1 error code on smeg dishwasher with no water or leak?
Following prev question smeg DF614WE powercut?
How to install new knob for smeg dishwasher Type 10028; mod:?
It seems the program is frozen?