We may have found other answers which could help you.
Click here for Dishwasher Blocked Filter
Fault code E4 candy CSI 454 dishwasher?
candy cdi 1012/B dishwasher - dishes still diry?
candy dwi160?
Dishes in top tray do not wash?
Candy CWD464 dishwasher not emptying before rinse?
Candy Dishwasher DWI 160 ?