LG Refrigerator 1S Error Code

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What it means

The refrigerator detected a problem involving the ice maker fan motor or a disconnected ice maker sensor.

Try this first

Check that the refrigerator doors are fully closed.
Check whether the ice maker is operating normally.
Do not disassemble internal fan or sensor components unless qualified.

Can I keep using it?⚠ Ice production may be affected

Repair usually required?🔴 Service usually required

If the error keeps returning

LG indicates that this ice maker fan or sensor fault requires repair service.

Official source

Troubleshooting information verified against manufacturer support documentation.

View manufacturer support page →

Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.

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Related fault codes

These LG Refrigerator codes use the same troubleshooting path in the available guidance. Check the exact code shown on your appliance because the affected part or model-specific procedure can still differ.

LG Refrigerator 1S: Quick Answer

What it means: The refrigerator detected a problem involving the ice maker fan motor or a disconnected ice maker sensor.

First thing to check

Check that the refrigerator doors are fully closed.

Can I keep using it?

Ice production may be affected

Repair outlook

Service usually required

If the code remains

LG indicates that this ice maker fan or sensor fault requires repair service.

Model note: Error-code meanings and procedures can vary by model and model year. Confirm the code against the documentation for your exact appliance before replacing parts.

Manufacturer reference: lg.com