Hey mines doing the same thing...and its why I got on here!
In my past experiences with HVAC this means its getting low on refrigerent.
Good thing is older Subs are built with a tap valve installed. I think they use R22 but I will look to see for sure. I plan to check mine and if any one who knows what LBS it should read at please let me/us know.
Also FYI your freezer and fridge each has its own compressor...that's the beauty of a subzero .
Alan T Mesa AZ...alantbird@aol.com
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