While you wait for answers, we may have found some information which could help you.
Click here for Error E3 DishwasherHotpoint Start/Pause button flashing?
Which way up is the upper spray arm - with holes uppermost o?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?
How can I mend my Zanussi ZDLN1512 dishwasher?
Why is my SMEG Dishwasher showing E1 without water in tray?
Simpson Silencio 850 Dishwasher?