Zanussi 24 in. DA6153 Free-standing Dishwasher "water cycle summary" Questions

...water in a part you can't get to - a bottle of vinegar on a hot cycle with nothing in the machine works, or you can buy "dishwasher cleaners" which are usually strong citric acid or similar that you ...

...cycle and then stop, water would fill up in the bottom and the "In take/Drain" Light would come on, so i followed the advice here and unscrewed the dishwasher drainage hose (grey hose) which is ...