While you wait for answers, we may have found some information which could help you.
Click here for Dishwasher Hotpoint Repairwhy are the wash and rinse lights flashing on my Hotpoint Aquarius FDW20 di?
Hotpoint H-Dish 500 stuck in demo?
Hotpoint aquarius dishwasher fdal28p fault code?
How to fix?
Fast & delicate lights flash on hot point Aquarius fwd60?
Hotpoint Aquarius FDW20 diswasher?