The dishwasher is not cleaning the dishes well/soap is not dissolving. Share Share Share Soap properly dissolves if the water temperature is above 140 degrees. Try increasing the temperature on the water heater or run the faucet at the kitchen sink until it comes out hot prior to starting the dishwasher. Topics Dishwasher Related Posts Water sprays or drains out of the air gap. The dishwasher leaks from the door.