We may have found other answers which could help you.
Click here for Loud Bang CycleWhy is my SMEG Dishwasher showing E1 without water in tray?
K8D45517?
Why is dishwasher not fully drained of water?
Clear E1 error code on smeg dishwasher with no water or leak?
Hotpoint Aquarius FDW20 diswasher?
How to switch on beep on BEKO dishwasher?