When your refrigerator stops cooling, it’s more than just an inconvenience—it’s an emergency. A malfunctioning fridge can lead to spoiled food, unpleasant odors, and even costly appliance replacement if the issue isn’t addressed promptly. At Dial Appliance Service, Brooklyn’s trusted appliance repair company, we’ve seen it all—from simple airflow blockages to complex compressor failures.
This detailed guide explores why your refrigerator isn’t cooling, how to troubleshoot common problems, and when it’s time to call in a certified refrigerator repair technician. Whether you own a Whirlpool, Samsung, LG, GE, or Sub-Zero, the following information applies to most major appliance brands.
Understanding How Your Refrigerator Cools
To figure out why your refrigerator isn’t cooling, it helps to understand how it’s supposed to work.
Refrigerators operate on a closed-loop cooling system, which includes key components like:
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Compressor – Circulates refrigerant through the coils.
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Condenser coils – Release heat from the refrigerant.
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Evaporator coils – Absorb heat from inside the fridge.
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Thermostat or control board – Regulates the internal temperature.
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Fans (evaporator and condenser) – Move air through the system to maintain even cooling.
If any part of this system malfunctions, the refrigerator’s internal temperature can rise quickly.
Common Reasons Your Refrigerator Isn’t Cooling
Let’s explore the most frequent culprits behind cooling issues. Some are simple DIY fixes, while others require the expertise of certified appliance repair professionals in Brooklyn.
1. Dirty Condenser Coils
The condenser coils, located either behind or underneath your refrigerator, are responsible for dissipating heat. Over time, they collect dust, pet hair, and debris, making it difficult for the coils to release heat efficiently.
Symptoms:
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Fridge running constantly
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Warm or uneven cooling
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Hot sides or back panel
Solution:
Unplug the refrigerator and use a coil brush or vacuum to remove buildup. This quick maintenance step can dramatically improve cooling performance.
If cleaning the coils doesn’t help, there may be a compressor or refrigerant issue, and you’ll need professional help from Dial Appliance Service.
2. Blocked Air Vents
Your refrigerator relies on proper airflow between the freezer and fridge compartments. Stacking food too tightly can block vents and restrict circulation.
Symptoms:
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Cold freezer, but warm refrigerator
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Uneven cooling across shelves
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Moisture or frost buildup
Solution:
Reorganize the contents, ensuring at least one inch of space around air vents. Avoid overpacking—airflow is crucial for temperature regulation.
3. Faulty Evaporator Fan Motor
The evaporator fan pushes cool air from the freezer into the refrigerator compartment. If it fails, the freezer may stay cold while the fridge warms up.
Symptoms:
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Freezer cold, fridge warm
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No air movement inside the refrigerator
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Clicking or squealing noise
Solution:
If you don’t hear the fan running when the fridge door is closed (press the light switch to test), the motor may be faulty. This is a repair best left to professionals—Dial Appliance Service technicians carry replacement parts for all major brands.
4. Defective Thermostat or Temperature Control Board
The thermostat monitors the temperature and signals the compressor and fans to turn on or off. If it malfunctions, your refrigerator may not cool at all or run continuously.
Symptoms:
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Fridge too warm or too cold
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Compressor not starting
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Control panel unresponsive
Solution:
Try adjusting the thermostat settings first. If nothing changes, the control board or temperature sensor may be defective. Certified technicians can test electrical continuity and replace parts as needed.
5. Faulty Start Relay or Compressor Issue
The start relay helps power the compressor. When it fails, the compressor won’t start, and your refrigerator won’t cool.
Symptoms:
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Clicking sounds every few seconds
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Compressor not running
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No cooling despite the fan operating
Solution:
A certified appliance repair technician can test and replace the start relay. If the compressor itself is damaged, it may require a factory-authorized repair or replacement.
6. Frosted or Frozen Evaporator Coils
Excess frost buildup can prevent proper heat exchange between air and refrigerant. This issue is often linked to defrost system failures, such as defective defrost heaters, thermostats, or control timers.
Symptoms:
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Visible frost on the back panel
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Warm fridge despite the freezer being overly cold
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Ice buildup near vents
Solution:
Manually defrosting may offer temporary relief, but the underlying defrost component should be inspected and replaced by a Dial Appliance Service technician.
7. Malfunctioning Condenser Fan Motor
This fan cools the compressor and coils. If it’s obstructed or faulty, the compressor can overheat and shut down.
Symptoms:
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Loud or grinding noises near the compressor
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Fridge running hot
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Weak or no airflow from the rear
Solution:
Clean away any dust or debris and ensure the fan spins freely. If the motor has failed, it will need to be replaced.
8. Refrigerant Leak
Refrigerant is essential for absorbing and releasing heat. A leak can severely reduce cooling capacity.
Symptoms:
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Hissing sound
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Oily residue near coils
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Gradual loss of cooling
Solution:
Refrigerant repairs require EPA-certified technicians. Dial Appliance Service is factory-authorized to handle refrigerant recharging and leak repairs safely and legally.
9. Door Seal (Gasket) Problems
A damaged or loose door gasket lets cold air escape and warm air enter, making your fridge work harder.
Symptoms:
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Condensation around the door
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Constant compressor cycling
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Warm fridge despite running motor
Solution:
Inspect the seal for cracks or looseness. You can test it by placing a piece of paper in the door—if it slides out easily, the seal needs replacing.
Dial Appliance Service can install genuine OEM gaskets to restore a perfect seal.
10. Power Supply Issues
Sometimes, the problem isn’t with the refrigerator but with your electrical connection.
Symptoms:
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No lights or operation
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Tripped circuit breaker
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Flickering power
Solution:
Check the plug and outlet, and ensure the breaker hasn’t tripped. Avoid using extension cords—they can restrict power flow. If electrical problems persist, consult an electrician before further appliance diagnosis.
How to Troubleshoot a Non-Cooling Refrigerator
Before calling for repair, here are five quick troubleshooting steps you can take safely:
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Check the temperature settings.
Make sure the refrigerator is set between 37–40°F and the freezer around 0°F. -
Inspect airflow.
Clear any obstructions from vents, shelves, and drawers. -
Clean condenser coils.
Use a coil brush or vacuum to remove dirt and pet hair. -
Ensure proper door closure.
Worn seals or misaligned doors can compromise cooling. -
Listen for noises.
Clicking, humming, or silence can all indicate different mechanical issues.
If your fridge still doesn’t cool after these checks, it’s time for a professional refrigerator repair service in Brooklyn.
When to Call a Professional
While some minor issues are DIY-friendly, most refrigerator repairs involve electrical components, sealed systems, or refrigerants—all of which require professional expertise.
Here’s when you should call Dial Appliance Service:
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The compressor isn’t running or is overheating
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Ice buildup keeps recurring after defrosting
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The control board or thermostat is unresponsive
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The fridge cools unevenly or makes loud noises
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There’s a refrigerant leak or electrical burning smell
Our Brooklyn-based appliance repair team provides factory-certified service for all major brands, including:
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LG
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Samsung
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Whirlpool
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GE
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Frigidaire
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Bosch
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Maytag
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Sub-Zero
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KitchenAid
We use genuine OEM parts, ensuring your appliance operates like new after repair.
Preventing Future Refrigerator Cooling Problems
Regular maintenance can prevent 80% of refrigerator breakdowns. Follow these pro tips from Dial Appliance Service:
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Clean condenser coils every six months.
Especially important if you have pets. -
Keep the interior organized.
Allow airflow around vents for even temperature distribution. -
Inspect gaskets regularly.
Replace worn seals to maintain energy efficiency. -
Avoid overloading the fridge.
Overpacking can block airflow and strain the compressor. -
Check the temperature periodically.
Use a thermometer to ensure consistent cooling. -
Schedule annual maintenance.
Our certified technicians can perform diagnostic checks, ensuring optimal performance year-round.
Why Choose Dial Appliance Service in Brooklyn, NY?
1. Factory-Authorized Repairs
We are certified by leading manufacturers to provide warranty and out-of-warranty service using original parts.
2. Experienced Technicians
Our team has decades of experience handling complex repairs for residential and commercial appliances in Brooklyn and surrounding areas.
3. Same-Day Service
We understand the urgency of refrigerator issues—most repairs are completed the same day you call.
4. Transparent Pricing
No hidden fees or surprise charges—just honest diagnostics and upfront quotes.
5. Comprehensive Appliance Expertise
From dishwashers and ovens to washers and dryers, we handle every appliance in your home.
Frequently Asked Questions (FAQs)
1. How long should a refrigerator last?
Most modern refrigerators last 10 to 15 years with proper maintenance. Regular coil cleaning and timely gasket replacement can extend lifespan.
2. Can a refrigerator stop cooling but the freezer still works?
Yes. This often indicates a problem with the evaporator fan, air damper, or defrost system—issues best diagnosed by a technician.
3. Is it worth repairing an old refrigerator?
If the unit is under 10 years old and the repair cost is less than half the price of a new fridge, it’s usually worth fixing.
4. How do I know if my compressor is bad?
If you hear clicking but no humming, or if the compressor is hot to the touch and the fridge isn’t cooling, the compressor may be failing.
5. Do you repair refrigerators under warranty?
Yes. Dial Appliance Service is an authorized factory service center, meaning we can perform repairs without voiding your manufacturer’s warranty.
Contact Dial Appliance Service Today
Don’t let a warm refrigerator spoil your food—or your day. If your fridge isn’t cooling, Dial Appliance Service offers expert, same-day repair service across Brooklyn, NY.
Our experienced Brooklyn refrigerator repair technicians can quickly diagnose the problem, provide a fair estimate, and get your fridge back to peak performance—often the very same day. Schedule Your Refrigerator Repair Service Now at (718) 368-1512 or Contact Us Now!