Refrigerator No Longer Cold? Common Reasons and Solutions for Homes and Businesses
A refrigerator that stops getting cold can be a significant inconvenience, whether it’s in a home kitchen or a commercial setting like a café or restaurant. One of the questions we get asked the most when fixing fridges for businesses is ”what would cause a refrigerator to stop getting cold” so we decided to answer it in this post.
We will cover the most common reasons a refrigerator might stop cooling properly, along with solutions suitable for both domestic users and business owners.
1. Power Supply Issues
A refrigerator that isn’t getting cold may simply not be receiving power. This can happen due to a loose plug, a tripped circuit breaker, or a power outage.
Causes:
- Loose or unplugged power cord
- Faulty wall outlet
- Tripped circuit breaker or blown fuse
Solution:
Check the plug and outlet, test with another device, and reset the circuit breaker if needed.
2. Incorrect Thermostat Settings
The thermostat controls the temperature of the refrigerator and can be accidentally set too high, especially after cleaning or restocking.
Causes:
- Thermostat set too high or malfunctioning
- Accidental adjustment
Solution:
Adjust the thermostat to a colder setting (2 to 5 degrees Celsius) and monitor for changes.
3. Dirty Condenser Coils
Condenser coils dissipate heat from the refrigerator. When they are covered in dust and debris, they cannot release heat efficiently, causing the appliance to overheat and stop cooling.
Causes:
- Dust and dirt accumulation on coils
- Poor airflow around the coils
Solution:
Clean the coils with a vacuum or brush to remove dust and debris.
4. Blocked Air Vents
Air vents inside the refrigerator allow cool air to circulate. If these vents are blocked by food or ice, the fridge will not cool properly.
Causes:
- Overpacked fridge blocking air circulation
- Ice build-up around vents
Solution:
Ensure there is space around the vents and remove any obstructions.
5. Faulty Door Seals
The door seals (gaskets) are designed to keep cold air in and warm air out. If they are damaged, cold air escapes, and the refrigerator has to work harder to maintain its temperature.
Causes:
- Cracked, torn, or dirty gaskets
- Improper door closure
Solution:
Clean or replace the seals to ensure they are airtight.
6. Defective Evaporator Fan
The evaporator fan circulates cold air from the freezer throughout the fridge. If it stops working, the refrigerator won’t cool effectively.
Causes:
- Fan motor failure
- Electrical faults or fan blade obstruction
Solution:
Listen for unusual noises; if the fan isn’t running, consider calling a technician for repair.
7. Refrigerant Leak
Refrigerant is essential for cooling, and a leak in the system can prevent the refrigerator from getting cold.
Causes:
- Cracks or damage in the refrigerant line
- Ageing components causing leakage
Solution:
Look for signs of a leak, such as hissing noises or oil residue. A professional technician should repair refrigerant leaks.
8. Compressor Problems
The compressor circulates refrigerant through the coils to cool the fridge. If it’s faulty, the refrigerator won’t cool.
Causes:
- Overheating or compressor motor failure
- Electrical issues
Solution:
Check for unusual noises or overheating. Compressor issues typically require professional diagnosis and repair.
9. Temperature Control Board Failure
The temperature control board regulates the compressor and fans. A malfunctioning board can cause cooling issues.
Causes:
- Electrical component failure
- Power surges or age-related wear
Solution:
Diagnose with caution, as this is a less common issue. Seek professional help for testing and replacement.
10. Overstuffed Refrigerator
An overfilled refrigerator can block airflow, making it difficult for the appliance to maintain a consistent temperature.
Causes:
- Overpacking of food items
- Inadequate organisation inside the fridge
Solution:
Organise the fridge to leave space around food items for air circulation.
Conclusion
Whether you are a homeowner or a business owner, hopefully that answers your question as to what would cause a refrigerator to stop getting cold. While some problems can be resolved with simple checks and adjustments, others may require professional help.
FAQs
What are the signs of a bad compressor in a refrigerator?
Signs include the fridge not cooling, the compressor making unusual noises or running constantly, and a hot compressor motor. If you suspect a bad compressor, contact a professional for repair or replacement.
How do I know if my refrigerator needs more refrigerant?
Signs of low refrigerant levels include a fridge that isn’t cooling, hissing or bubbling noises, or a refrigerant leak. A qualified technician should handle refrigerant issues as it involves specialised tools and expertise.
How often should I clean the condenser coils of my refrigerator?
It’s recommended to clean the condenser coils every 6 months to ensure optimal performance. In commercial settings or homes with pets, more frequent cleaning may be necessary.
How long should a refrigerator last before it stops cooling?
A well-maintained refrigerator should last around 10-15 years. However, factors like usage frequency, maintenance, and the quality of components can affect its lifespan.
Is it worth repairing a refrigerator that is not cooling?
It depends on the age, cost of repairs, and overall condition of the fridge. For newer models, repairing is often more cost-effective, while older units may be better replaced. Consult with a professional technician to make an informed decision.
Need Professional Assistance?
If you’ve tried these steps and your refrigerator still isn’t cooling properly, it may be time to call a professional. For business owners, regular maintenance can prevent costly repairs and keep your commercial refrigeration running smoothly. Contact us today to schedule an inspection or repair service.
By addressing the underlying causes of cooling issues, this guide ensures you’re well-prepared to handle refrigerator problems efficiently, minimising downtime and maximising the appliance’s lifespan.
