... Dongguan VKOOL Hot Research Technology, V018 mini WOOD portable car refrigerator,car freezer,Car Fridge, car cooler, car cooler & ... fan over current protection, compressor control box every 4 S issued two fault signal.B, compressor start mistake, compressor ... , compressor minimum speed error, compressor control box every 4 S issued four fault signal.D, compressor overheating protection, compressor ...