If your Samsung double door fridge's freezer is cooling properly, but the bottom refrigerator is not cooling, there could be several reasons for this issue. Here are some common causes to consider:
Blocked vents: Check if the vents inside the refrigerator compartment are blocked by food items or other obstructions. Proper airflow is essential for even cooling throughout the fridge, so ensure that the vents are clear.
Defective evaporator fan: The refrigerator has an evaporator fan that circulates cold air from the freezer to the refrigerator compartment. If this fan malfunctions or stops working, the refrigerator may not cool properly. Listen for the sound of the fan running; if you don't hear it, there might be an issue with the fan motor or its connections.
Faulty temperature control: The thermostat or temperature control unit might be faulty, preventing the refrigerator from maintaining the desired temperature. Check the settings and make sure they are correctly adjusted. If the temperature control is malfunctioning, it may need to be replaced.
Condenser coils are dirty: The condenser coils, usually located at the back or bottom of the fridge, release heat from the refrigerator. If these coils are covered in dust and dirt, they can't dissipate heat efficiently, leading to cooling issues. Clean the coils regularly to ensure proper cooling.
Damaged door gasket: The rubber seal around the refrigerator door, known as the door gasket, should create an airtight seal when the door is closed. If the gasket is damaged, cracked, or dirty, warm air can enter the fridge, affecting its cooling. Inspect the gasket and replace it if necessary.
Malfunctioning defrost system: If the automatic defrost system is not working correctly, ice can build up on the evaporator coils, blocking the airflow and preventing proper cooling. This can be due to a faulty defrost timer, defrost heater, or defrost thermostat.
If you're not familiar with refrigerator repairs, it's recommended to contact a qualified technician or Samsung service center to diagnose and fix the issue properly. They will have the expertise and tools to identify the specific problem and carry out the necessary repairs.