While you wait for answers, we may have found some information which could help you.
Click here for Paykel Not Wash Pumpre Fisher and Paykel Dishwasher Model DW820?
Fisher & Paykel Single Drawer Dishwasher Won't Drain?
My fisher and Paykel dishwasher DW820 is not fully drained ?
How to fix a Fisher and Paykel DW60CSW1 Dishwasher?
Fisher and paykel DW820 beeps after rinse cycle?
How to get the rest of the rotor assembly out its broken from the shaft ?