While you wait for answers, we may have found some information which could help you.
Click here for Removed Screws HelpWhy is my SMEG Dishwasher showing E1 without water in tray?
Simpson Silencio 850 Dishwasher?
Why is dishwasher not fully drained of water?
Hotpoint Aquarius FDW20 diswasher?
How do I turn the delay off on Electrolux DX302 dishwasher?
Which way up is the upper spray arm - with holes uppermost o?