Miele dishwasher - faulty (Verwood BH31)

This has been very reliable but now has a persistent F78 fault. We've cleaned the pipes and checked the circulation pump as per internet suggestions and we got it to go once more but then it stopped again with the same fault and we've not been able to fix it since. But there may be someone who would like it and can fix it. If so you must collect it either tomorrow (Tuesday) or Wednesday from Verwood as otherwise it will go to the tip. Please say when you can collect in any response.