LG Refrigerator Error Codes: Smart Diagnosis Guide for French Door and Side-by-Side Models

Quick Answer

LG refrigerators display error codes on the temperature panel when a fault is detected. Common codes include 1F (freezer defrost sensor), CL E (compressor lock), CH E (compressor high temp), FF E (freezer fan), IF E (ice maker fan), ER IF (ice maker sensor), ER CO (condenser sensor), DH F (defrost heater), and CF E (condenser fan). Each code points to a specific subsystem. Use Smart Diagnosis by holding Refrigerator and Ice Plus buttons for 3 seconds to confirm the active code before starting any repair.

LgRefrigerator

About These Lg Refrigerator Error Codes

This guide covers every LG refrigerator error code. Find your code below for step-by-step diagnosis and repair instructions.

Most Common Error Codes

Defrost system failures (1F, DH F)40%

Compressor or inverter board faults (CL E, CH E)24%

Fan motor failures (FF E, IF E, CF E)14%

Wiring harness damage from vibration12%

Temperature sensor faults (ER IF, ER CO)10%

Symptoms You May Notice

Error code shown on temperature display
Refrigerator or freezer not cooling
Ice maker stopped producing ice
Unusual noises from fan area
Frost buildup on back wall of freezer

Tools Required for Diagnosis

MultimeterNut driver setFlashlight

How to Identify Your Error Code

Identify the code on the display

Identify the code on the display. Write it down exactly as shown - some codes use letters and spaces (e.g., CL E, not CLE).

Enter Smart Diagnosis mode

Perform a power reset before any repair

Check the LG class action settlement status if you have CL E on

Locate your specific error code in the table below and follow

Frequently Asked Questions

How do I get my LG refrigerator to show me the error code?

The code usually appears on the temperature display panel automatically. To confirm it using Smart Diagnosis, hold the Refrigerator and Ice Plus buttons at the same time for 3 seconds. The codes will scroll through the display.

Can I just unplug my LG fridge to clear the error code?

A power reset clears the code from the display but does not fix the underlying problem. If the component is faulty, the code will return within minutes to hours of plugging back in.

Which LG refrigerator error code is the most expensive to fix?

CL E (compressor lock) is the most expensive - a new linear compressor costs $300-600 for the part alone, plus labor. CH E (compressor high temp) can also be costly if the compressor itself is failing.

Does LG cover compressor failures under warranty?

LG offers a 10-year parts warranty on the linear compressor. Additionally, LG settled a class action lawsuit covering certain models with premature linear compressor failure. Check your model number at LG's website or call 1-800-243-0000.

My LG refrigerator shows a code but still seems to be cooling fine. Should I worry?

Yes. Early-stage faults (especially defrost sensor 1F or condenser sensor ER CO) allow the fridge to keep cooling at first, but the underlying issue will worsen. Address the code before the fridge loses cooling completely.

Related Lg Refrigerator Error Codes

Code: 1FLG Refrigerator 1F Error Code: Freezer Defrost Sensor Fault Code: CL ELG Refrigerator CL E Error Code: Compressor Lock Fault Code: CH ELG Refrigerator CH E Error Code: Compressor High Temperature Code: FF ELG Refrigerator FF E Error Code: Freezer Fan Motor Failure Code: IF ELG Refrigerator IF E Error Code: Ice Maker Fan Motor Fault Code: ER IFLG Refrigerator ER IF Error Code: Ice Maker Sensor Fault Code: ER COLG Refrigerator ER CO Error Code: Condenser Sensor Fault Code: DH FLG Refrigerator DH F Error Code: Defrost Heater Fault Code: CF ELG Refrigerator CF E Error Code: Condenser Fan Motor Failure

Same Fix Works on These Brands

Lg shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience HUB Errors

This repair applies to most Lg refrigerators with this error code. Common model numbers include:

LRMVS3006S, LRFXS2503S, LRFXC2416S, LRMGS2806S, LSXS26366S

Last verified for technical accuracy on March 14, 2026