can anyone help me with f11 on built in whirlpool dishwasher adg644ix 851164415852 starts to fill for 30secs then pumps out and flashes 11 times. optical water indicator ??? there is no owi on this model , pressure switch is clean and tested it, changed anyway but still same fault , flow meter ??? but usually brings up correct fault code of 7 flashes??? any help on this fault would be apprieciated regards jon