F11 indicates that the pump has not pumped out in the time allowed. Follow the hints in the link below and then come back to me if you still have the same problem and we can go to the next stage - Ian
OK its a case of following the drain pipe into the appliance and checking that the drain pump is not blocked or jammed, pump looks like this - http://www.partmaster.co.uk/dishwasher/g1272-scvi/drain-pump/product.pl?pid=2298943&shop=miele&path=108720&refine=pump&model_ref=3470810 -- the fun of built in appliances !!
Good man - could I now ask you to rate the help given by selecting from the star rating system at the top of the page, once done if you need further help come back to me. Thank you for using JA and have a great evening - Ian