Found a sock between the tub. Removed the sock, and still had the F51 code., so I replaced the RPS part with the help the the Appliance Parts Pro video. Took less than an hour to replace RPS.
Link below:
http://fast.wistia.net/embed/iframe/efqkpi0ta0?controlsVisibleOnLoad=true&plugin%5Bsocialbar-v1%5D%5Bbuttons%5D=email-twitter-googlePlus-facebook&version=v1&videoHeight=237&videoWidth=422&volumeControl=true&autoPlay=true