I have owned a Samsung Model Number RS25J500DSG/AA for about three plus years now. I have had continual issues with the freezer freezing up and having to take the entire back out and defrost it with a hair dryer. I have to do this about every two to three months, or the fan starts making very loud noises. Last week, I did this, and the fan is already making noise, meaning it's frozen up again, in less than a week. I see there are multiple issues with these units and am very frustrated and needing answers.