Refrigerator Not Freezing or Cooling: Fix It Yourself

Quick answer

Check the temperature settings, clean the condenser coils, and ensure proper airflow. If the fridge still doesn't cool, test the defrost timer or call a technician.

Confirm the symptom

• Fridge compartment is warm or not cold enough
• Freezer is not freezing items properly
• Food is spoiling faster than usual
• Refrigerator makes unusual noises or no noise at all
• Condensation or frost buildup on food or inside the fridge

Tools and prep

• Screwdrivers (flathead and Phillips)
• Multimeter for testing electrical components
• Thermometer to check internal temps
• Vacuum with brush attachment for coils
• Work gloves for safety
• Turn off refrigerator power before checking internal components
• Clear space around the fridge for access

Step-by-step troubleshooting

1. Check Temperature Settings
   Do: Ensure the temperature settings are set correctly (35–40°F for fridge, 0°F for freezer).
   Observe: Settings are correct but fridge still doesn't cool.
   Means: Settings are not the issue; check other components.
   Next: Clean condenser coils
2. Clean Condenser Coils
   Do: Locate and clean the condenser coils (usually at the back or bottom of the fridge) using a vacuum or coil brush.
   Observe: Coils are clean and free of dust/dirt.
   Means: Improved airflow may restore cooling.
   Next: Check for proper airflow
3. Check for Proper Airflow
   Do: Ensure the fridge is at least 2 inches away from the wall and vents are not blocked.
   Observe: Airflow is unrestricted.
   Means: Proper airflow helps maintain cooling efficiency.
   Next: Test the defrost timer
4. Test the Defrost Timer
   Do: Use a multimeter to test the defrost timer for continuity. Replace if faulty.
   Observe: Timer shows no continuity or erratic readings.
   Means: Defrost timer is likely faulty.
   Next: Inspect the evaporator fan
5. Inspect the Evaporator Fan
   Do: Check if the evaporator fan is spinning and not obstructed. Test for power using a multimeter.
   Observe: Fan is not spinning or not receiving power.
   Means: Fan motor may be defective.
   Next: Check the start relay
6. Check the Start Relay
   Do: Test the start relay with a multimeter. Replace if it shows no continuity.
   Observe: Relay shows no continuity.
   Means: Start relay is faulty and needs replacement.
   Next: Call a professional technician
7. Call a Professional Technician
   Do: If previous steps don't resolve the issue, contact a qualified repair technician.
   Observe: Professional diagnosis and repair is needed.
   Means: Complex issues require expert assistance.
   Next: End

Common causes

Parts matching

Common parts needed for a refrigerator not freezing or cooling include:

• Condenser coil brush
• Defrost timer
• Evaporator fan motor
• Start relay
• Refrigerant (requires professional handling)
• Thermometer for testing

Always match part numbers with your refrigerator's model for compatibility.

When to call a professional

• If the refrigerator still doesn't cool after checking all basic issues
• If you suspect a refrigerant leak
• If the compressor is not running and no power is reaching it
• If you're unsure about testing electrical components safely
• If the repair costs exceed the value of the refrigerator

FAQ

Related guides

• refrigerator not freezing food
• refrigerator temperature too high

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