Freezer turning itself off

[SIZE=4][FONT=Georgia]hi this fridge had been stored in the garage unused decide to bring her back in the house for use. plugged it in and omg it really work. has been running couple months when the freezer shout off and defrosted everything, i turned both dials off let it sit for about 30 mins turned them back on and well it started to freeze again. so it has defrosted everything again i turned it off and back for it to work for a few days.
the fan is running in the back bottom all clean, (Q: how hot should the compressor be? mine is 130 almost to hot to touch). you had told gunner to check the start switch, i looked over the parts diagram didn’t find so what ya think.
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Your condenser fan motor may be running slow, or the system may be low on refrigerant. Put a portabe fan in the back to cool the compressor and condenser. If the freezer now gets below 5 degrees, replace the condensing fan motor.