LG
Frost or Ice Accumulation on Evaporator
Ice buildup on the rear interior wall or around the evaporator cover; airflow seems restricted.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Defective defrost heater, Failed defrost thermistor, Door gasket leak allowing moist air in, Frequent door openings
How to Fix / Troubleshooting
Safety: Unplug the unit before defrosting. Do not use sharp tools to remove ice.
Steps:
- 1. Manual defrost: Remove all bottles and shelves. Leave the door open and allow the unit to defrost completely. Use towels to absorb water.
- 2. Inspect gasket: Check the door gasket for tears or gaps. Replace if damaged.
- 3. Check defrost components: After defrosting, access the evaporator area and test the defrost heater and thermistor for continuity and proper resistance.
- 4. Replace faulty parts: Install a new defrost heater or thermistor if defective.
- 5. Monitor: Reassemble and monitor for several days. If ice returns quickly, further diagnosis of the control board's defrost function may be needed.
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Repair Difficulty
Hard
4/5
Required Part
Defrost Heater
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