try unplugging the frige for 5 minutes and see if it will re-set itself if not you will ne a dispencer control board
http://www.repairclinic.com/SSPartDetail.aspx?s=t-253.53713301+-%3d%3dc212i1196732&PartID=1196732 $108.25
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hope your feeling fine if it didnt re-set then it the control board
im sorry for that good luck
Home Appliance Technician
Major Home Appliance Technician Specialist Whirpool Certificate