We may have found other answers which could help you.
Click here for Showing Fault GoingHow do I turn the delay off on Electrolux DX302 dishwasher?
Hotpoint Aquarius FDW20 diswasher?
K8D45517?
Why is my SMEG Dishwasher showing E1 without water in tray?
How to switch on beep on BEKO dishwasher?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?