Miele dishwasher G6730SCI fault code F78 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Miele dishwasher G6730SCI fault code F78 This topic has 0 replies, 1 voice, and was last updated 4 years, 5 months ago by boselecta. Viewing 1 post (of 1 total) Author Posts October 27, 2021 at 6:12 pm #100183 boselectaParticipant This appliance shows F78 after 5 minutes washing. I have removed the wash motor and checked for blockages in the impellors but its clear. The wash motor seems to spray with sufficient force to imply that its not a blockage. Amy ideas folks? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In