A refrigerator that’s not cooling properly can lead to food spoilage, waste, and frustration. If you’ve noticed that your fridge isn’t as cold as it should be, several factors could be causing the issue. Before calling a professional fridge repairs company, try these troubleshooting steps to identify and possibly fix the problem yourself.
1. Check the Thermostat Setting
Sometimes, the thermostat dial gets accidentally adjusted, leading to higher temperatures inside the fridge.
- Locate the thermostat control (usually inside the fridge or freezer compartment).
- Ensure it’s set between 37-40°F (3-4°C) for the fridge and 0°F (-18°C) for the freezer.
- If the fridge isn’t cooling even after adjusting, move on to the next steps.
2. Ensure Proper Airflow
Refrigerators rely on air circulation to maintain even cooling. Overloading the fridge or blocking air vents can disrupt airflow, causing temperature issues.
✅ How to Fix:
•Avoid overstuffing the fridge and leave space around vents for air circulation.
•Check if food containers are blocking the cold air vents (located at the back or sides of the fridge).
•Rearrange food items to allow better airflow.
3. Clean the Condenser Coils
Dirty condenser coils force the compressor to work harder, reducing cooling efficiency. Coils, located at the back or bottom of the fridge, accumulate dust and debris over time.
✅ How to Fix:
•Unplug the fridge for safety.
•Locate the condenser coils (refer to your fridge manual if needed).
•Use a vacuum or coil brush to remove dust buildup.
•Plug the fridge back in and check if cooling improves.
4. Inspect the Door Gasket
A loose or damaged door seal (gasket) allows warm air to enter, making it harder for the fridge to stay cold.
✅ How to Fix:
•Check for cracks, tears, or dirt buildup on the gasket.
•Clean the gasket with warm, soapy water and dry it thoroughly.
•If the seal is loose or damaged, replace it to restore proper insulation.
5. Look for Frost Buildup in the Freezer
Excessive frost in the freezer can block airflow to the fridge section, causing cooling problems. This may indicate a defrost system failure.
✅ How to Fix:
•If frost is present, unplug the fridge and let it defrost completely for 24 hours.
•Plug it back in and monitor if cooling returns to normal.
•If frost builds up again, the defrost heater, thermostat, or timer may need professional repair.
6. Test the Evaporator Fan
The evaporator fan circulates cold air from the freezer to the fridge. If it stops working, the fridge won’t get enough cold air.
✅ How to Fix:
•Open the freezer and listen for the fan running when the door is closed.
•If the fan is silent, it may be defective and need replacement.
•If you hear unusual noises, the fan blades could be obstructed—unplug the fridge and inspect for any ice buildup or debris.
7. Check the Condenser Fan (For Fridges With One)
The condenser fan helps dissipate heat from the coils. If it’s blocked or not working, the fridge may struggle to cool.
✅ How to Fix:
•Unplug the fridge and locate the condenser fan (usually at the back near the compressor).
•Check for dust buildup or obstructions.
•If the fan isn’t spinning properly, it may need to be cleaned or replaced.
8. Assess the Compressor
The compressor is the heart of the refrigeration system. If it fails, the fridge won’t cool at all.
✅ How to Fix:
•Listen for a humming sound from the back of the fridge. If the compressor is silent or clicking repeatedly, it might be faulty.
•If the compressor is warm but not running, the start relay could be defective and may need replacement.
•Compressor issues usually require professional appliance repairs company.
9. Verify Power Supply & Control Board Issues
If the fridge isn’t running at all, check for power supply problems or a faulty control board.
✅ How to Fix:
•Ensure the fridge is plugged in securely.
•Check the circuit breaker to make sure it hasn’t tripped.
•If the control board is damaged (signs include burnt marks or unresponsive controls), it may need replacement.
When to Call a Professional
If you’ve gone through these troubleshooting steps and your fridge still isn’t cooling, it might be time to call an appliance repair expert. Seek professional help if:
⚠ The compressor isn’t working or constantly clicking.
⚠ The evaporator or condenser fan needs replacement.
⚠ The fridge has a refrigerant leak.
⚠ Electrical components or the control board are faulty.
Final Thoughts
A non-cooling refrigerator can be frustrating, but in many cases, simple fixes like adjusting airflow, cleaning coils, or replacing door seals can restore performance. Regular maintenance can help prevent cooling issues and extend the lifespan of your fridge. If basic troubleshooting doesn’t resolve the problem, professional repair or replacement may be necessary.
Need expert advice? Schedule a refrigerator service at Cold and Hotspace to check today to keep your appliance running efficiently!