While you wait for answers, we may have found some information which could help you.
Click here for Problem Place PlasticHow 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 my SMEG Dishwasher showing E1 without water in tray?
Why is dishwasher not fully drained of water?
Hotpoint Start/Pause button flashing?