i have a older Gibson chest freezer it was given to me it worked fine i moved and sat on my back porch,now it is verily cool there is a knob on back by compressor don't know what it is i heard compressor kick in but i think there is a lose wire or bad connection but don't know where to startAny help greatly appreciated the knob is connected to the tubes that go to compressor has some kind of emblem maybe then says WATSCO on it i hear a clicking noise like compressor trying to come on but doesn't but did last night thats why i think may be a loose connection