While you wait for answers, we may have found some information which could help you.
Click here for Broken Door DishwasherProline dw5212p THREE lightd flashing??
How can i fix my proline dishwasher?
Dishwasher keeps needed salt?
The lights are all open and the dishwasher proline is not working?
Proline dishwasher?
What does error 6 mean on my Proline dishwasher?