Diplomat ADP8322 D/W

Good morning all,

Wondering if anybody can help with a problem on the above d/w
Evidently the m/c goes onto the rinse cycle after around ten minutes operation, having selected one of several “normal” wash programmes.
Thus, the programme does not run its full course.
I have had a look at the m/c and suspect the pcb/control unit inside the door housing.
However, as they are rather expensive I don’t want to quote/fit a new pcb/control unit and not rectify the fault.
I appreciate they are very difficult to test, and wonder if I am concentrating on the correct unit, or if another fault could be causing this. (the connections and unit appear ok as far as I can tell.)
I would be grateful for any help on this matter.

jontymox