While you wait for answers, we may have found some information which could help you.
Click here for Will Not DrainClear E1 error code on smeg dishwasher with no water or leak?
Hotpoint Start/Pause button flashing?
How to install new knob for smeg dishwasher Type 10028; mod:?
How to fix Kenwood Slimline Dishwasher KDW45X20 with a F1 Er?
How to switch on beep on BEKO dishwasher?
How do I turn the delay off on Electrolux DX302 dishwasher?