While you wait for answers, we may have found some information which could help you.
Click here for Light Dishwasher FlashingWhy is dishwasher not fully drained of water?
K8D45517?
Why is my SMEG Dishwasher showing E1 without water in tray?
Water won’t pump out?
Hotpoint Aquarius FDW20 diswasher?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?