[Elna]

Roper has sent me a new rinse dispenser cap, but it is the same as the original. It seems like there is a "washer" missing or another part, as the dispenser empties itself soon after filled.

[PS Staff - Sheila]

The problem that you are having is likely caused by the activating system inside the door.

Here is a link to your dishwasher model RUD4000MU0.