While you wait for answers, we may have found some information which could help you.
Click here for Dishwasher Internal FuseHow to switch on beep on BEKO dishwasher?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?
How to install new knob for smeg dishwasher Type 10028; mod:?
Clear E1 error code on smeg dishwasher with no water or leak?
Why is dishwasher not fully drained of water?
K8D45517?