First I followed the instructions check water pressure.2 ND check continuity on water valve,third after crossing off the first two steps,I knew that it would have be ice maker assembly!! I called Appliancespartspro,and the next day I received the ice making assembly for my Samsung refrigerator!! Took out the old one..one screw,unplug wiring harness.replaced with the new one with instructions included in package!! Really awesome!!