Has anyone experienced failure of a temperature controlled freezer? My dad had a concern that without power, the oil wouldn't stay warm. One of my ferm chambers sounds like it's struggling to run now. This is a new issue on a 6 month old Haier freezer. It's a little warm now, too. Set to 1.1°C, but it's at 2.5°. Hopefully it'll be covered by warranty. If I have to buy a new one, it'll be the same brand as my other one.