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ErrBase

LG Fridge CH E Error Code: Chamber Temperature Sensor Fault

Quick Answer

LG CH E indicates a chamber temperature sensor fault. LG French door refrigerators have separate sensors for the fresh food section, freezer, ice room, and sometimes the flex zone. CH E means one of these sensors is reading open circuit, short circuit, or far outside the expected temperature range.

LG CH E indicates a chamber temperature sensor fault. LG French door refrigerators have separate sensors for the fresh food section, freezer, ice room, and sometimes the flex zone. CH E means one of these sensors is reading open circuit, short circuit, or far outside the expected temperature range. The display may show CH E followed by a number indicating which sensor has failed (CH1, CH2, etc. - though most consumer displays just show CH E). The sensor is an NTC thermistor that reads approximately 5K ohms at room temperature. The most common failure location is the fresh food section sensor because it is exposed to more temperature cycling and moisture than the freezer sensor.

LgRefrigeratorSeverity: mediumDifficulty: intermediate85% DIY Success
Time to Fix
20–60 min
Difficulty
intermediate
Parts Cost
$10 – $25
Tools Needed
Multimeter, Phillips screwdriver

What Does the CH E Code Mean?

CH E = chamber temperature sensor failed. Most commonly the fresh food section sensor. NTC thermistor reads ~5K ohms at room temp. Replace the faulty sensor ($10-25).

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Fresh food section sensor failed40%
Freezer sensor failed24%
Sensor wire connector corroded14%
Sensor reading out of range from ice buildup around it12%
Sensor wire broken inside wall10%

Symptoms You May Notice

  • CH E on display
  • One compartment not cooling properly
  • Temperature fluctuations in one zone
  • Compressor running constantly
  • Fridge or freezer too cold or too warm

Can you reset a Lg refrigerator to clear the CH E code?

Unplug 5 minutes. CH E clears when the new sensor reads within normal range.

Tools Required for Diagnosis

MultimeterPhillips screwdriverFlashlight

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Enter diagnostic mode

Enter diagnostic mode: hold Refrigerator + Ice Plus for 3 seconds. Scroll through sensor readings using the Refrigerator button. Each zone shows its current temperature. A reading of 'Er' indicates the failed sensor.

2

Access the failed sensor

3

Test the sensor with a multimeter

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
LG Refrigerator Temperature Sensor6323JA2001L · $10–$25

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPAIR
Estimated Cost: $18 (Parts) vs $2850 (New Machine)

Frequently Asked Questions

Will my LG fridge still cool with CH E?
The fridge will attempt to cool but without accurate temperature readings from the failed sensor, the compressor may run too much or too little. Food safety could be compromised if the temperature is not maintained. Fix CH E promptly.
How many temperature sensors does my LG fridge have?
Typically 3-5: fresh food section, freezer, ice room, and sometimes a pantry drawer and door zone. Diagnostic mode shows each zone's reading individually, making it easy to identify the failed one.
Can I use a generic thermistor for my LG fridge?
If the resistance specification matches (approximately 5K ohms NTC at 77F), a generic thermistor can work. However, LG OEM sensors ($10-25) are inexpensive enough that using the exact part is recommended.

Related Lg Refrigerator Error Codes

Code: HUBLG Refrigerator Error CodesCode: CL ELG CL E: Door Fan Fault

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 CH E Errors

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

LRFXS2503S, LRMVS3006S, LFXS26973S, LFXS28968S

Last verified for technical accuracy on March 14, 2026