While you wait for answers, we may have found some information which could help you.
Click here for Dishwasher Repair Faulty
How to find and replace heating element in Hygena dishwasher?
Hygena door spring?
How can I fix my Hygena/Diplomat Cookerhood APP 2400 light?
heating element red hot?
dishwasher makes whinning noise?
How do you replace the handle for Hygena AP8124/1?