While you wait for answers, we may have found some information which could help you.
Click here for Lights Flashing DishwasherWhich way up is the upper spray arm - with holes uppermost o?
Why is dishwasher not fully drained of water?
How to install new knob for smeg dishwasher Type 10028; mod:?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?
Hotpoint Aquarius FDW20 diswasher?
Hotpoint Start/Pause button flashing?