I woke up one night to hear water running. I found the noise coming from the refrigerator. Opened the freezer door and gallons of water spilled out onto the floor and leaked through to the basement below. After some testing, I was able to narrow it down to the electrical signal from the ice maker for the water inlet valve was coming on then off properly for the 5-10 sec fill cycle but for whatever reason it stuck open that night. I wasn't going to chance that happening again and replaced the valve with help from your instructional video and all is good now. I think the old valve was sticking in both opening and closing as our ice cubes had been getting noticeably smaller. Now we have nice full cubes again.