After your dishwasher finishes are your dishes not as clean as you would like. This my not be the dishwasher it could be the the water temperature. When you run the hot water at your sink does it take a time for the hot water to come out. If it does this could be the reason for your dishes not coming as clean as you would like. Try this. Before you turn the dish washer on run the hot water at your sink until the water is coming out hot then start the dish washer. By doing this the dish washer will fill with hot water and all the soap will devolve and your dishes will come out clean.