I'm of the opinion there's more wrong with this unit... Even in a 50° house your fridge would've ran some and at least kept the cooler side temp where it's supposed to be... You mentioned that you had food turn rancid in 3 days; I would suspect the compressor is not running at all on this unit... Listen for a clicking noise coming from underneath and behind the fridge after plugging it back in... This would indicate the compressor is trying to start but isn't... kooler
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