dIAGNOSTIC HELP KENMORE ELITE dISHWASHER

bOUGHT tHIS KENMORE ELITE DISHWASHER 2 1/2 YEARS AGO FROM SEARS,RETURNED 2 TIMES BEFORE RECEIVING THIS ONE WITH PROPER LATCH . rAN VERY QUIET … AFTER ONLY 1 1/2 YEARS T…HROUGH THE ENTIRE WASHING CYCLE IT IS SO LOUD WE HAVE TO RUN IT WHN WE ARE NOT HOME. pLEASE HELP ME …WHAT IS THE PROBLEM…IS THIS ALSO A DEFECT…WHAT DO I NEED TO DO???

Will some one help me to troubleshoot a problem with my dishwasher. I have a kenmore elite dishwasher for about 5 yr now, about a month a go it start and then stop and the lights on the pannel start blinking, some one told me it could be the relays causing it, I replaced the control board, found it still doing the same thing, it will start and run for about 2min and stop,lights start blinking, hit the cancel and it blinks as well, can any one help, thanks.