Ten Reasons Why Your Whirlpool Refrigerator Is Not Cooling

Cooling Issues with Whirlpool Refrigerators

When your Whirlpool refrigerator fails to maintain the desired cooling temperatures, it can lead to spoiled food and inconvenience. However, understanding the various components of your refrigerator’s cooling system is essential for effective troubleshooting and timely resolution of any issue. Every part is crucial in ensuring optimal cooling performance, from condenser coils and evaporator fan motors to thermostats and defrost heaters. In this guide, we’ll delve into the standard components of a Whirlpool refrigerator and provide insights on how to diagnose and address cooling problems effectively. 

Ten Whirlpool Refrigerator Parts and How to Test Them

  1. Condenser Coils: Use a multimeter to test for continuity or resistance. A reading of infinity indicates a faulty coil.


  2. Evaporator Fan Motor: Listen for unusual noises coming from the freezer compartment. If the motor is receiving power but not spinning, it needs replacement.


  3. Thermostat: Test using a multimeter to ensure it’s sending the correct signals. Calibration or replacement may be necessary if it’s malfunctioning.


  4. Defrost Heater: Check for continuity with a multimeter. If there’s no continuity, the heater needs to be replaced.


  5. Defrost Timer: Advance the timer manually to initiate the defrost cycle. If the cycle doesn’t start, the timer may need replacement.


  6. Door Seals: Close a piece of paper in the door and try to pull it out. If it comes out quickly, the seals are worn and need replacement.


  7. Condenser Fan Motor: Listen for unusual noises coming from the back of the refrigerator. If the motor is not spinning freely, clear any obstructions. If it still doesn’t spin, it may need replacement.


  8. Water Inlet Valve: Check for water flow through the valve. If there is no water flow or if it is leaking, the valve may need replacement.


  9. Compressor: Listen for clicking or humming sounds. It may need replacement if the compressor doesn’t run or is excessively noisy.


  10. Start Relay: Test with a multimeter for continuity. If there’s no continuity, the start relay needs replacement.

Whirlpool Refrigerator Parts and Their Mechanical Role

Whirlpool Fridge Condenser Coils

Condenser Coils release heat from the refrigerant to maintain the desired temperature inside the appliance. To keep your appliance working efficiently, it is recommended to periodically clean the condenser coils using a vacuum cleaner with a brush attachment.

Locate the condenser coils, typically found behind or beneath the refrigerator, and carefully remove any accumulated dirt or debris. Additionally, consider using a coil brush for a more thorough cleaning, being cautious not to damage the coils.

Whirlpool Fridge Evaporator Fan

The evaporator fan circulates cold air within the fridge and freezer compartments. When it’s not working correctly, cooling performance declines.

To evaluate the evaporator fan, start by listening for any unusual noises coming from the back of your refrigerator. A buzzing or whirring sound could indicate that the fan motor is running but not circulating air properly. It’s still worth looking inside the freezer compartment if you don’t hear anything. Remove any food or shelving blocking your view of the back panel. You should see the evaporator coils, which might be covered in frost if the fan isn’t working correctly.

Once you’ve located the evaporator fan, inspect it visually. Is it spinning freely? If not, there may be an obstruction preventing it from turning properly. Clear any debris or ice buildup that could be impeding its movement. If the fan still doesn’t spin after clearing obstructions, it may be time to replace it.

Whirlpool Fridge Thermostat

The thermostat serves as the temperature control for your fridge’s cooling system. A malfunctioning thermostat means ineffective cooling.

To test the thermostat, set it to the coldest and listen for the compressor to kick in. The thermostat may be faulty if the compressor doesn’t start within a few minutes. You can also use a multimeter to test the thermostat for continuity. If there’s no continuity when the thermostat is set to a cold temperature, it likely needs to be replaced.

Whirlpool Fridge Defrost Heater

The defrost heater plays a pivotal role in preventing frost and ice buildup on the evaporator coils, ensuring optimal cooling efficiency. If the defrost heater malfunctions, it can lead to excessive frost accumulation, obstructing airflow and hindering the refrigerator’s ability to regulate temperature.

To assess the functionality of the defrost heater, begin by accessing the evaporator coils, typically located in the freezer compartment. If you notice a significant frost or ice buildup on the coils, it may indicate a problem with the heater. Use a multimeter to test the continuity of the heater element. A lack of continuity suggests that the heater is faulty and requires replacement.

Whirlpool Fridge Defrost Timer

The defrost timer regulates the automatic defrost cycle in your fridge. If the defrost timer malfunctions, it can disrupt the regular defrosting process, leading to inadequate cooling performance.

To assess whether the defrost timer is causing your refrigerator’s cooling issues, you can manually advance the timer to initiate the defrost cycle. If the cycle fails to start or doesn’t progress as expected, it may indicate a problem with the timer. Additionally, you may have a faulty defrost timer if you notice excessive frost or ice buildup on the evaporator coils despite regular operation.

Whirlpool Fridge Door Seals

When your Whirlpool refrigerator isn’t cooling correctly, one often overlooked culprit could be the door seals. These seemingly insignificant rubber strips play a crucial role in maintaining the internal temperature of your fridge by creating a tight seal when the doors are closed. If the seals are worn, damaged, or dirty, they may fail to make an airtight barrier, allowing cold air to escape and warm air to infiltrate the refrigerator.

To check the condition of your door seals, perform a simple visual and tactile inspection. Look for any signs of wear, tears, or gaps along the edges of the seals. Additionally, run your fingers along the seals to feel for any areas that may have become hardened or flattened over time. If you notice any damage or deterioration, it’s time to replace the seals to restore their effectiveness.

Replacing door seals is a relatively straightforward task that most homeowners can do with basic tools and DIY skills. You can purchase replacement seals from appliance parts stores or the manufacturer. Simply remove the old seals and carefully install the new ones, ensuring a snug fit around the door.

Whirlpool Fridge Condenser Fan Motor

The condenser fan motor’s role is to expel heat from the refrigerator’s condenser coils, helping to maintain the proper temperature inside the unit. Your fridge may struggle to cool effectively if it’s not functioning correctly.

Start your assessment by locating the condenser fan motor, typically found near the bottom at the back of the refrigerator. You might have to remove the fridge from the wall to access it. Once you’ve located the motor, give it a visual inspection. Is it spinning freely? If the fan blades are obstructed or the engine is visibly damaged, it’s likely the culprit behind your cooling woes.

Next, listen for any unusual noises coming from the fan motor. Grinding or squealing sounds could indicate the motor struggles to operate correctly. If you suspect an issue with the motor, it’s best to consult a professional technician for further diagnosis and potential replacement.

Whirlpool Fridge Water Inlet Valve

This valve controls water flow into the refrigerator’s ice maker and water dispenser. If the water inlet valve is faulty or clogged, it may restrict water flow or cause leaks, leading to cooling issues.

Replacing a water inlet valve is a task best left to experienced technicians, as it involves working with water supply lines and electrical connections. However, being aware of the symptoms of a malfunctioning water inlet valve can help you diagnose cooling issues with your Whirlpool refrigerator more effectively.

Whirlpool Fridge Compressor

The compressor is essentially the heart of the cooling system. It circulates refrigerant through the refrigerator’s coils to remove heat and maintain low temperatures inside the appliance. If the compressor malfunctions, it can significantly impact the refrigerator’s ability to cool effectively.

To assess whether the compressor is causing your refrigerator’s cooling issues, start by listening for any unusual sounds coming from the appliance, such as clicking, buzzing, or humming. These noises could indicate that the compressor is struggling to operate correctly. Additionally, check the temperature inside the refrigerator and freezer compartments. If the temperature is warmer than usual and fails to drop despite adjusting the thermostat, it may signal a problem with the compressor.

Whirlpool Fridge Start Relay

The start relay is responsible for initiating the compressor’s operation, which is crucial for the refrigerator’s cooling process. If the start relay malfunctions, it can prevent the compressor from turning on, leading to inadequate cooling performance.

To determine if the start relay is the cause of your refrigerator’s cooling issues, you can perform a simple visual inspection. Look for any signs of damage or burning on the relay, which indicates a potential problem. Additionally, you can use a multimeter to test the relay for continuity. If the multimeter shows no continuity when the relay is activated, it may be faulty and in need of replacement.


When troubleshooting cooling issues with your Whirlpool refrigerator, it’s crucial to consider various components that could be at fault. Efficient cooling requires several components, including condenser coils, evaporator fan motors, thermostats, and defrost heaters, each playing a vital role. By understanding the function of these components and recognizing signs of malfunction, you can effectively diagnose and address cooling problems. Factors such as door seals and the water inlet valve can also impact cooling performance and should be noticed. Whether cleaning condenser coils, testing a thermostat with a multimeter, or inspecting door seals for wear, proactive maintenance and timely repairs are crucial to keeping your refrigerator running smoothly.