I had a problem with water line frezing and i changed filer out and it was frozen as well. prior to that i my milk na tea in the top shelf of frig would freeze or get ice in it. my ice cream started to melt and now i am see other itiems defrosting in my freezer. I was asked to check and see if i had ice or frost on back middle of my freezer compartment and it was. Please let e know what you think it may be the please let me know what you think the issue is. Some is telling me i have a digital system and it will cost me $350.00 to repair. this is a 911 call please....