Noob here, i suddenly have an F3 error code on my Hotpoint Ultima FDUD4411. I opened up the dishwasher and there was about an inch of water still left in the dishwasher. I have checked the hose from the dishwasher that is connected under the sink, no kinks of blockages that i can see, i checked the filter in the dishwasher but nothing. i checked the actual sink and there was a blockage of fat and grease so i emptied it and then I emptied the water in the dishwasher by hand and then put a cycle on to see if it would now work BUT, i now get a loud humming noise and no water comes into the dishwasher, it hums and then the error message appears again.
Bit of a update. Turned on the machine this morning and it started filling. But at the end when it gets rid of the water the cycle stopped 4 mins till th E end with the same error a f3. As well as that it is now making a horrible sound I can only describe as the noise it makes when there is some electrical short circuit. Like a buzzing, tinkling, sound….