We may have found other answers which could help you.
Click here for Repair Model UnitFisher and paykel DW820 beeps after rinse cycle?
Fisher & Paykel Single Drawer Dishwasher Won't Drain?
How to get the rest of the rotor assembly out its broken from the shaft ?
fisher and paykel dw920 cycle will not stop?
My fisher and Paykel dishwasher DW820 is not fully drained ?
U3 error in Fisher & Paykel DD601v2?