my dishwasher will only work on pre-rinse now,if i try it on any other of the 5 settings,it seems to start but then stops,bleeps about 20 times and either the pre-wash and wash lights come on together ot pre-wash and rinse lights come on together,please can anyone shed some light on my problem

steve1961, December 2009

The dishwasher stops and the three red lights come on

jim, October 2013