While you wait for answers, we may have found some information which could help you.
Click here for Water Bottom Builtuser instructions for Necht dishwasher wqp12-9319?
NECHT WQP12-9319 Dishwasher - Can I fix an "E4" fault easily?
necht door fittings?
how can i fix?
Necht dishwasher wqp12-9319 error code E4?
how can i fix my NECHT WQP12-6015. half way in cycle it blows the fuse?