While you wait for answers, we may have found some information which could help you.
Click here for Dishwasher Appliances Problem
Kenwood Dishwasher KID60S20 leaking from front?
How to install new knob for smeg dishwasher Type 10028; mod:?
K8D45517?
Why is my SMEG Dishwasher showing E1 without water in tray?
Clear E1 error code on smeg dishwasher with no water or leak?
Dishwasher suddenly failed?