Short answer: If your Kenmore refrigerator isn’t cooling, check the thermostat settings and ensure they’re set correctly. Examine vents for blockages and clean the condenser coils.
Kenmore, a reputable brand known for its range of household appliances, has been a household staple for years. Among their lineup, refrigerators stand out as a vital component in preserving food and maintaining a comfortable lifestyle. However, like any complex appliance, issues can arise. One of the most common and concerning problems homeowners face is when the refrigerator stops cooling adequately. Whether caused by a malfunctioning component, a power issue, or other underlying factors, a non-cooling refrigerator can compromise food safety and result in wastage. Addressing the root causes promptly is essential to prevent further complications and to ensure the appliance functions optimally.
Why Kenmore Refrigerator Is Not Cooling?
Dirty Condenser Coils:
Over time, the condenser coils can accumulate dust and debris, reducing their efficiency. This hampers the appliance’s ability to dissipate heat, causing the refrigerator to work harder and possibly not cool effectively.
Refrigerant Leaks:
The refrigerant is the fluid that absorbs and releases heat, cooling the inside. A leak can diminish the refrigerator’s cooling capacity, leading to warmer temperatures.
Temperature Control Issues:
If the temperature controls are faulty or incorrectly set, they might not send the correct signals to cool the unit to the desired level.
Evaporator Fan Issues:
The evaporator fan circulates cold air inside the refrigerator. If it’s malfunctioning, this circulation is hindered, leading to uneven or insufficient cooling.
Damaged Door Gaskets:
These rubber seals keep cold air inside. If damaged, they can allow warm air to enter, making the refrigerator work harder and potentially causing it to not cool adequately.
Clogged Drain Line:
A clogged drain line can lead to ice buildup, which can interfere with the appliance’s cooling function.
Faulty Compressor:
The compressor is the refrigerator’s heart, compressing and circulating the refrigerant. If it fails, the whole cooling process is compromised.
Electrical Issues:
Faulty wiring or electrical components can prevent the refrigerator from receiving the necessary power or signals to operate correctly.
Faulty Defrost Timer:
This controls the defrost cycle. If malfunctioning, it can lead to frost build-up, which affects cooling efficiency.
Thermostat Malfunction:
A faulty thermostat might not correctly read or regulate the internal temperature, causing cooling issues.
Low Refrigerator Temperature:
If set too low, the refrigerator might freeze certain items or cause frost buildup, affecting overall cooling.
Temperature Control Board Malfunction:
This board directs voltage to the compressor and fan motors. If faulty, it can hinder the cooling process.
Overstuffing the Refrigerator:
Overloading prevents proper air circulation, making it difficult for the appliance to maintain desired temperatures.
Damper Control Assembly Malfunction:
The damper controls the amount of cold air entering the fresh food compartment. If it doesn’t open correctly, it can affect the refrigerator’s temperature.
Sealed System Freon Leak:
The sealed system contains the refrigerant. A leak in this system can diminish the appliance’s cooling capacity.
Start Capacitor:
If the refrigerator’s start capacitor is malfunctioning, the compressor may not start, leading to a lack of cooling.
How To Fix Kenmore Refrigerator Not Cooling?
Fixing the Thermostat:
Step 1: Accessing the Thermostat:
- Remove the cover by prying it off using your nails or a putty knife.
- Note the hook positions for reassembly later.
- Undo the screws securing the panels.
- Disconnect all wire connections, including the harness. Use a screwdriver if required.
- Detach the green (ground) wire.
- Remove the two Phillips screws at the bottom holding the thermostat bracket.
Step 2: Replacing the Thermostat:
- Release the thermostat from its bracket by removing the two-quarter-inch screws.
- Disconnect the two terminals from the thermostat.
- Remove the old thermostat.
- Stretch the new thermostat’s tubing and adjust its protector.
- Place the new thermostat in the bracket and secure it with the two-quarter-inch screws.
- Re-thread the tubing to the back.
- Align the bracket with the screws and reinstall it.
Step 3: Ensuring Correct Damper Control: Make sure the metal wire that goes to the back, which controls the freezer damper, is aligned properly.
Step 4: Reconnecting Wiring:
- Connect the wiring harness and the thermostat’s connectors.
- Attach the ground wire and the other two wires. The order does not matter for these two.
Step 5: Reassembling the Panel:
- Place the panel back, ensuring it latches onto the hooks.
- Secure the panel with the two quarter-inch screws.
- Re-install the thermostat tubing as per the earlier setup.
- Place back all the covers.
- Reinstall the control knobs.
- Set the refrigerator to “Off” and the freezer to the recommended setting.
- Reinsert the light bulb.
Check for Leaks:
- Inspect the refrigerator for any visible coolant leaks. This could be a sign of a refrigerant problem.
- Puddles or oily residues around the fridge are a potential red flag.
Check the Temperature Setting:
- Ensure the thermostat inside the refrigerator is set to the recommended setting. Sometimes it may inadvertently be adjusted.
- Gradually adjust the temperature to a colder setting and wait several hours to see if the temperature drops.
Clean The Evaporator and Condenser Coils:
- Coils are found either at the back or bottom of the fridge.
- Vacuum the coils to remove dust and dirt. Dirty coils can reduce the refrigerator’s cooling efficiency.
Check the Evaporator Fan Motor:
- If your freezer is cold but the fridge isn’t, the evaporator fan might not be working.
- Check for any obstruction and ensure it rotates freely. If not, replace the fan motor.
Replacing the Defective Coils:
- If coils are corroded or damaged, they may need replacement.
- This task is best handled by a technician.
Replace the Old Thermistor:
- The thermistor is a sensor that monitors the fridge temperature.
- If faulty, it can send wrong signals to the control board. Replace it if needed.
Inspect the Air Circulation:
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- Ensure there is space between food items for air to circulate.
- Check if vents are obstructed. Remove obstructions for proper airflow.
Refill the Coolant:
- If the refrigerator is low on coolant, it won’t cool properly.
- This should be done by a licensed technician as handling refrigerants requires special tools and certifications.
Replace the Gasket Doors:
- Inspect the gaskets for wear or cracks. A poor seal allows cold air to escape.
- Clean them and if they’re damaged, consider replacing them.
Check the Drain Lines:
- Ensure the lines are not clogged. Clogs can lead to water accumulation, affecting cooling.
- Clean out any debris or blockages.
Check the Power:
- Ensure the fridge is plugged in and receiving power.
- Check the circuit breaker to ensure it hasn’t tripped.
Check the Defrost Timer:
- If this component fails, the fridge can’t defrost, leading to ice build-up.
- Manually rotate the timer. If the fridge doesn’t exit defrost mode, replace it.
Replace the Main Control Board:
- If other components seem fine, the main control board might be at fault.
- Replacing this is complex; it’s advisable to consult a technician.
Check for Blockage:
- Ensure no food items or containers block vents or fans.
- Adjust items in the fridge for better airflow.
Check the Damper Close Assembly:
- The damper controls the cold air’s flow from the freezer to the fridge.
- If it’s not opening correctly, it can affect the cooling. Check and replace if necessary.
Remember, while some of these tasks can be DIY, it’s essential to call a technician when dealing with complex parts, especially when handling refrigerants. Always refer to the Kenmore user manual specific to your model before attempting any repairs.
FAQs
How can I check if the vents in my Kenmore refrigerator are blocked?
Ensure the refrigerator is not overpacked and that there’s space for air circulation. Check for any obstructions or accumulated ice.
Is it common for the fans to malfunction in a Kenmore refrigerator?
While it’s not a frequent issue, fans can fail or get obstructed. Listen for the fan’s regular humming to determine if it’s working.
How often should I clean the coils of my Kenmore refrigerator?
Cleaning the coils at least once or twice a year is recommended to maintain efficiency.
Is it safe to consume food from a refrigerator that’s not cooling?
It’s risky. If the temperature rises above 40°F for 2 hours or more, perishables might become unsafe to consume.
How can I determine if the compressor is the issue?
If your fridge isn’t cooling but the light is on and you can hear the fan, but not the typical compressor hum or vibration, it might be the culprit.
How much would it typically cost to repair a Kenmore refrigerator that isn’t cooling?
Costs vary depending on the issue and labor rates in your area. It can range from $50 for minor fixes to $500 or more for significant repairs.
Is it better to repair or replace my Kenmore refrigerator if it’s not cooling?
If the fridge is older and the repair cost approaches half the price of a new one, it might be more economical to replace it. Consider factors like the refrigerator’s age, repair history, and efficiency.
Conclusion
When a Kenmore refrigerator ceases to cool, it not only poses a risk to the perishables stored inside but also signifies a potential malfunction within the appliance. This issue can arise due to several factors, including blocked vents, malfunctioning fans, dirty coils, issues with the thermostat, or a problem with the compressor. It is crucial to promptly diagnose and address these concerns to restore the refrigerator to optimal functionality. Engaging in regular maintenance and checks can prevent such problems, but if the issue persists or is beyond a quick fix, it may be advisable to consult with a professional technician or consider a replacement, especially if the appliance is of considerable age. This will ensure food safety and efficient energy use.
