You can get technical support using the dishwasher forum where dishwasher engineers will help you if they can. There is also more help on repair your dishwasher in the dishwasher self help section.
Finding Neff dishwasher parts can be hard as they are often very specific to a model or even a production run, even if they look alike.
Please see this page for general help in how to get the correct Neff dishwasher spare parts that you need.
If you need help with any Neff spare part please ask for assistance as we're only too happy to help you.