Opening your refrigerator to find warm food is one of those moments that instantly ruins your day — especially in Las Vegas, where summer temperatures push well past 110°F and a non-functioning fridge can spoil hundreds of dollars’ worth of groceries within hours.
Before you panic or start shopping for a replacement, take a breath. Most refrigerator cooling problems have a handful of common causes, and some of them you can fix yourself in minutes. Others require a professional — and knowing the difference can save you both time and money.
Here’s a complete guide to why your refrigerator may not be cooling and what to do about each situation.

First: Check the Obvious Things
Before diving into components, run through this quick checklist:

Is it plugged in? A cord that worked loose from the outlet — especially after cleaning behind the fridge — is more common than you’d think. If the interior light doesn’t come on when you open the door, start here.
Has a breaker tripped? Check your electrical panel. Refrigerators draw significant power and can occasionally trip a breaker, particularly during peak Las Vegas summer heat when your home’s electrical load is high.
Are the temperature settings correct? The refrigerator compartment should be set between 37°F and 40°F. If someone bumped the dial or a child adjusted the settings, it’s worth checking before anything else.
Is it in Demo Mode? Some newer refrigerators shipped from a store may still be in “Demo” or “Showroom” mode, which disables cooling. LG models, for example, sometimes display “OF” on the temperature panel in this mode.

If all of those check out and your fridge is still warm, read on.

1. Dirty Condenser Coils
Most likely culprit for: gradual loss of cooling, higher energy bills
Condenser coils release heat from the refrigerant as it cycles through your refrigerator. When they get coated in dust, pet hair, and debris — which happens quickly in Las Vegas homes — they can’t dissipate heat effectively. The compressor works harder and harder trying to compensate, and eventually the fridge stops cooling properly.
This is one of the most common causes of cooling failure we see, and it’s entirely preventable with routine maintenance.
What you can do: Unplug the refrigerator, pull it away from the wall, and locate the coils (usually at the back or underneath). Use a vacuum with a brush attachment or a coil cleaning brush to remove buildup. Clean these coils every 6 to 12 months — more frequently if you have pets.
When to call a pro: If cleaning the coils doesn’t restore cooling within a few hours, the problem lies elsewhere.

2. Condenser Fan Motor Has Failed
Most likely culprit for: compressor overheating, fridge running constantly but not cooling
The condenser fan pulls air across the coils and over the compressor to keep everything cool. If this fan motor fails, heat builds up and cooling efficiency drops fast.
You can often diagnose this by listening — a working fan makes a steady hum. If the area near the back of the fridge is silent when the compressor is running, or if you hear grinding, that’s a strong sign the fan motor is failing.
What you can do: Check the fan blade for obstructions and try spinning it by hand. If it doesn’t spin freely, something may be jammed. If it spins fine but the motor makes no sound when the fridge is running, the motor likely needs replacement.
When to call a pro: Fan motor replacement involves accessing internal components and working with electrical connections — it’s a job best handled by a trained technician.

3. Evaporator Fan Motor Not Running
Most likely culprit for: freezer is cold but the refrigerator section is warm
This is a very telling symptom. If your freezer is ice-cold but the main fridge compartment is warm, the evaporator fan is the prime suspect. This fan circulates cold air from the freezer into the refrigerator section. When it fails, the refrigerator loses cooling while the freezer remains functional.
What you can do: Open the freezer and listen for the fan running. If you hear nothing (or hear grinding), that’s your culprit. On some models, the fan stops when the door is open — you may need to press the door switch manually to test it.
When to call a pro: Evaporator fan replacement requires accessing the freezer’s back panel and working with electrical components. A professional can diagnose this quickly and have the right part on hand.

4. Frost or Ice Blocking the Evaporator Coils
Most likely culprit for: gradually worsening cooling, ice buildup visible in freezer
Refrigerators have an automatic defrost system that prevents ice from building up on the evaporator coils. When this system fails — due to a faulty defrost heater, defrost thermostat, or control board — ice accumulates on the coils and blocks airflow entirely.
Las Vegas’s dry climate actually makes this less common than in humid regions, but it does still happen — particularly in older refrigerators or units where the door seal has been compromised (letting in warm, moisture-carrying air).
What you can do: Unplug the fridge for 24 hours with the doors open to manually defrost. Place towels on the floor to catch water. If cooling returns after defrosting but the ice builds back up within a few days, the automatic defrost system has a fault.
When to call a pro: Any repair to the defrost heater, thermostat, or control board requires professional diagnosis and replacement.

5. Door Gasket (Seal) Is Damaged or Worn
Most likely culprit for: fridge running constantly, warm spots, higher electricity bills
The rubber gasket that runs around your refrigerator and freezer doors creates an airtight seal. When it cracks, tears, or warps — which can happen faster in homes where the fridge is exposed to heat — warm outside air seeps in continuously. Your fridge works non-stop trying to compensate.
What you can do: Close a dollar bill in the door and try to pull it out. If it slides out without resistance, the seal isn’t making proper contact. Inspect the gasket visually for cracks or deformation. Gaskets can sometimes be restored by cleaning them thoroughly; if damaged, they need replacement.
When to call a pro: Gasket replacement is a straightforward repair, but it’s important to get the exact gasket for your refrigerator model. A technician can source the correct part and ensure a proper seal.

6. Refrigerant Leak
Most likely culprit for: fridge that cools slightly but never gets cold enough
Refrigerant is the substance that actually absorbs and transfers heat in the cooling cycle. If the sealed system develops a leak — through corrosion, cracks in coils, or vibration over time — the refrigerant level drops and the fridge loses its ability to cool properly.
Signs of a refrigerant leak include: the fridge running constantly without getting cold, an oily residue near the coils, or a faint chemical smell.
What you can do: Nothing — refrigerant is a hazardous chemical that requires EPA-certified handling. Do not attempt to recharge refrigerant yourself.
When to call a pro: Immediately. A certified technician can locate the leak, repair it, and recharge the system properly.

7. Compressor Failure
Most likely culprit for: fridge completely stopped cooling, silent unit, compressor not running
The compressor is the heart of the refrigeration system — it pressurizes the refrigerant and keeps the entire cooling cycle moving. A failing compressor may make unusual clicking sounds every few minutes as it tries and fails to start, or it may go completely silent.
In Las Vegas, where refrigerators work harder year-round to fight ambient heat, compressor wear can happen faster — particularly in units over 10 years old.
What you can do: Listen for the compressor. It should cycle on and off periodically throughout the day with a steady hum. Repeated clicking or complete silence when the fridge should be cooling suggests compressor failure.
When to call a pro: Compressor replacement is one of the more expensive repairs, typically ranging from $300 to $600 for parts and labor. For older refrigerators, it may be more cost-effective to replace the unit. A professional can evaluate whether repair or replacement makes more financial sense for your specific situation.

A Note on Las Vegas Heat and Your Refrigerator
Las Vegas presents unique challenges for home appliances. During summer, your home’s ambient temperature is higher even with air conditioning running, which means your refrigerator’s compressor runs more cycles and works under greater strain than it would in a cooler climate. Refrigerators near windows, in garages, or in kitchens with poor ventilation are particularly affected.
If your refrigerator is more than 10–12 years old and struggling to keep up during the hottest months, the Las Vegas heat may simply be accelerating normal wear. Regular maintenance — cleaning condenser coils, checking door seals, ensuring proper clearance around the unit — can extend the life of your appliance significantly.

When to Stop Troubleshooting and Call a Professional
Some refrigerator problems are quick DIY fixes. Others require specialized tools, replacement parts, and technical knowledge. Call a professional if:

You’ve cleaned the coils and checked the obvious causes, but the fridge still isn’t cooling
The compressor makes clicking sounds or doesn’t run at all
You suspect a refrigerant leak
The freezer works but the fridge compartment is warm
Your refrigerator is displaying error codes you can’t identify

Appliance Savers provides same-day refrigerator repair service throughout Las Vegas and Henderson, NV. Our technicians carry a wide range of parts on every truck, which means most repairs are completed in a single visit. We offer upfront pricing with no service fee when you proceed with the repair.
Call us at (702) 575-0575 or schedule a repair online.

Frequently Asked Questions
How long can food stay safe if my refrigerator stops cooling?
The FDA recommends discarding refrigerator food after 4 hours at temperatures above 40°F. Frozen food remains safe for up to 48 hours in a full freezer if the door stays closed. When in doubt, throw it out.
Why is my freezer cold but my refrigerator warm?
This usually points to a failed evaporator fan motor or a blocked evaporator coil. Cold air from the freezer isn’t circulating into the fridge section. This is a repair that requires a technician.
How often should I clean my refrigerator condenser coils?
Every 6 to 12 months under normal conditions. If you have pets that shed heavily, every 3 to 6 months is better. In Las Vegas where dust accumulation is higher, more frequent cleaning is beneficial.
Is it worth repairing a refrigerator that’s not cooling?
It depends on the age of the unit and the cost of the repair. As a general rule, if the repair cost exceeds 50% of the price of a new comparable refrigerator, replacement is usually the smarter investment — especially for units over 10 years old. A professional can help you make this call honestly.
Can Las Vegas heat cause my refrigerator to stop cooling?
Extreme ambient heat does increase the strain on your refrigerator’s compressor and cooling system. While the fridge itself is designed to handle normal room temperatures, consistently high heat — like an uncooled garage during summer — can accelerate component wear and lead to cooling failures.

Appliance Savers is a locally owned and operated appliance repair company serving Las Vegas and Henderson, NV. We repair refrigerators, washers, dryers, dishwashers, ovens, stoves, and more. Licensed, insured, and backed by a warranty on parts and labor.