Okay I think I figured it out. The wire is running into the door, so I'm guessing it keeps it warm so it doesn't stick.
As far as why the temp was a little high the ambient temp was too much for the unit to handle so I put so fan to help keep it cool.
Actually saw something similar today. Freezer box made out of wood. Compressor dates 1966. Old school door heater.
Officially, Down for the count
YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET
It was working when I left...
Liberalism-Ideas so good they mandate them