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Good morning, the issue is with your water level control , this is what shut the water off when it's done filling, before replacing this however check the rubber hose that runs from the tub to the control and make sure theres no small holes in it. these run by water pressure and if its not holding the water pressure it will start filling again. if you find no hole then replace the water level control. heres a link to the part. its around $20.00, http://www.repairclinic.com/PartDetail/Pressure-Switch/6601ER1006E/1268256?RCAID=1000065 you can see this with the top off the machine.