While you wait for answers, we may have found some information which could help you.
Click here for Showing Fault FlashingHow do I find the water inlet valve on a Neff S4840 ?
How to empty my neff dishwasher of water?
Neff dishwasher S9151F not heating?
neff s5453x1gb/50 dishwasher not switching on no panel illumination ?
door handle has fallen off my neff dishwasher?
Neff dishwasher burning smell?