While you wait for answers, we may have found some information which could help you.
Click here for Dishwasher E4 Error No Power
K8D45517?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?
Hotpoint Aquarius FDW20 diswasher?
How to switch on beep on BEKO dishwasher?
How do I turn the delay off on Electrolux DX302 dishwasher?
Simpson Silencio 850 Dishwasher?