The common problems which we face commonly in the refrigerator are freezer not cooling, sometimes the freezer might not cool due to problems like compressor issues and low refrigerant. Another problem is a dusty evaporator coil will form dust on it by dust dropping on the evaporator. Low refrigerant or low gas causes cooling issues in the refrigerator. The other main problem in the refrigerator is the condenser leaking problem causes to decrease the levels of gas percentage in the refrigerator.