While you wait for answers, we may have found some information which could help you.
Click here for Wash Dishwasher DoorHoover Whisper 'super silent' dishwasher wont work?
Hoover Dishwasher HED 6612?
How can I fix my Hoover nextra dishwasher ?
Hoover Dish washer HED661280 washer Flooding?
Topping up salt and rinse?
Hoover HED 6612 Runner Support Wheels?