I have a slimline tricity bendix dh 090 dishwasher witch i brought second hand, i put it on a power wash to clean it out a bit and noticed it isn't draining i checked it all emptied the water and found a spoon and a few other things but i cleaned it out and it still wont drain! how can i fix this? Aimee

Dishwashers - Tricity Bendix - 18 in. DH090 Free-standing Dishwasher