LG Refrigerator: not cooling properly

Possible Causes

Dirty condenser coils

How to Identify: Dust, pet hair, or debris visible on coils at back or beneath fridge; fridge runs constantly or inefficiently

Part: Condenser coils

Faulty evaporator fan motor

How to Identify: Warm fridge section while freezer remains cold, little or no airflow, unusual noises from freezer fan area

Part: Evaporator fan motor

Faulty condenser fan motor

How to Identify: Compressor runs but fan doesn’t spin; warm air at rear bottom of fridge; higher energy draw

Part: Condenser fan motor

DIY Solutions

Clean condenser coils

Moderate 30-60 minutes

Tools Needed: vacuum with brush attachment, coil brush

1. Unplug refrigerator
2. Access coils at back or bottom
3. Use vacuum/brush to remove dust and debris
4. Reassemble and restart fridge

⚠️ Safety First: Unplug before cleaning

Clear internal air vents and adjust settings

Easy 10-20 minutes

1. Remove food blocking internal air vents
2. Set fridge to recommended temperatures
3. Allow 24 hours for temperature stabilization

Inspect and clean door gasket

Easy 10-15 minutes

Tools Needed: warm water, soft cloth

1. Check gasket for debris, cracks
2. Clean gasket thoroughly
3. Replace gasket if damaged
4. Ensure door closes tightly

Check and reset control panel/temperature settings

Easy 5-10 minutes

1. Verify settings on control panel
2. Lower temperature to appropriate range
3. Unplug fridge for a few minutes to reset (if recommended)
4. Monitor temperatures over next 24 hours

Next step

Choose the next step for not cooling properly

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Evaporator Fan Motor

Circulates cold air from the evaporator through the refrigerator or freezer compartments.

Typical part-only price

$35 - $110

DIY difficulty

Medium

Estimated time

30-60 mins

Optional: enter your model number

Apply

Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Condenser Fan Motor

Moves air across the condenser and compressor compartment to remove heat.

$35 - $100 · Medium · 30-60 mins

Check fit & price

Model number required

Model-compatible Refrigerator parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Refrigerator Condenser Coil Brush

For routine cleaning of accessible condenser areas where the manufacturer permits it. It does not repair a sealed-system or compressor fault.

View maintenance supply

Maintenance supply

Model-Compatible Refrigerator Water Filter

A routine replacement item on models with a water filter. Match the complete appliance model and existing filter number before ordering.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace evaporator or condenser fan motor

Estimated Cost: $100 - $250

Repair sealed refrigerant leak or recharge system

Estimated Cost: $200 - $500+

Replace compressor or start relay

Estimated Cost: $300 - $700+

Replace door gasket

Estimated Cost: $50 - $150

When to Call a Professional

No improvement after DIY steps

Unusual noises from compressor or fan motors

Evidence of refrigerant leak (e.g., constant running with poor cooling)

Compressor not starting or electrical control issues

Preventive Maintenance

• Clean condenser coils: Heat buildup and poor cooling efficiency
  Frequency: every 6 months
• Inspect door gaskets: Cold air leakage and efficiency loss
  Frequency: monthly
• Ensure adequate airflow around unit: Overheating and reduced cooling performance
  Frequency: ongoing

Frequently Asked Questions

Why is my LG Refrigerator not cooling properly?

Common causes include dirty condenser coils, a faulty evaporator fan motor, or a malfunctioning condenser fan motor.

How do I fix LG Refrigerator not cooling properly myself?

You can clean the condenser coils, clear internal air vents, inspect the door gasket, and check control panel settings.

How much does it cost to fix not cooling properly?

Professional repairs can range from $100 - $700+ depending on the issue, like fan motor replacement or compressor repairs.

When should I call a technician for not cooling properly?

If DIY solutions don't resolve the issue or if you suspect a refrigerant leak, it's time to call a professional.

References & Sources

• LG Refrigerator – Why is my Fridge Not Cooling Properly? Official

Common Issues Reported by Users

• Air exchange issues between fridge and freezer compartments (2 mentions)
• Cooling system components failure (compressor, return line) (1 mentions)

User Suggested Solutions

1. Replaced crimped return line to compressor

   Success rate: 10.0%

2. Returned refrigerator for a different brand due to cooling issues

   Success rate: 10.0%

Community Discussions

cooling poorly

Replaced crimped return line to compressor.

Pro needed View on Reddit →

left door does not cool below 40 degrees

LG was unhelpful, but Lowes accepted the return and the user purchased a Bosch 800 refrigerator which maintains temperature better.

Pro needed View on Reddit →

design flaw with the evaporation fan requiring manual defrosting every 90 days

Recommendations for alternative brands include Fisher and Paykel, Frigidaire, KitchenAid, Sub-Zero, and Beko.

Pro needed View on Reddit →

fridge too cold, causing milk to freeze

Main damper is not responsive; needs replacement.

DIY View on Reddit →

fresh food section runs too cold, milk and liquids freeze, leafy vegetables frost over

Adjusted thermistor placement to improve damper function.

DIY View on Reddit →

Source: Reddit r/appliancerepair