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LG LFX25974ST - User Manual

LG LFX25974ST
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OWNER’S MANUAL
FRENCH DOOR
REFRIGERATOR
Please read this owner's manual thoroughly before
operating and keep it handy for reference at all times.
LFX25974**
www.lg.com
ENGLISH
FRANÇAIS
ESPAÑOL
P.No.:MFL63264254

Table of Contents

Questions and Answers

  • H
    Hunter BoydSep 16, 2025
    What causes frost or ice crystals to form on frozen food in my LG LFX25974ST Refrigerator?
    • J
      Jose GoodwinSep 17, 2025
      Frost or ice crystals forming on frozen food in your LG Refrigerator can be caused by opening the door frequently or for long periods; try to reduce the frequency and duration of door openings. Ensure that the door is closing properly.
  • M
    Marissa FrazierNov 20, 2025
    What to do if my LG LFX25974ST Refrigerator is not dispensing water?
    • M
      Marcus FieldsNov 21, 2025
      If your LG Refrigerator is not dispensing water, there are several possible causes. If it is a new installation or the water line was recently connected, dispense 2.5 gallons (9 liters) of water to remove trapped air and contaminants. Check if the dispenser panel is locked and unlock it by pressing and holding the Lock button for three seconds. Ensure the dispenser is set for water dispensing by pressing the Water button on the control panel. Make sure the refrigerator or freezer doors are properly closed, as water will not dispense if they are open. If the water filter was recently removed or replaced, dispense 2.5 gallons of water to flush the system. Check for kinks in the tubing connecting the refrigerator to the house supply valve and straighten or repair as needed. Finally, ensure th...
  • A
    Amber JohnsonNov 22, 2025
    Why is my LG LFX25974ST or Freezer section too warm?
    • J
      Jared RodriguezNov 22, 2025
      Several factors can cause your LG Refrigerator or Freezer section to be too warm. If the refrigerator was recently installed, allow up to 24 hours for each compartment to reach the desired temperature. Blocked air vents can restrict airflow, so rearrange items to allow proper circulation. Frequent or prolonged door openings can also raise the temperature, so reduce how often and how long you open the doors. If the unit is in a hot location, ensure it's not operating in temperatures above 110°F. Adding a large amount of food or hot food can also affect the temperature; let hot food cool before refrigerating it. Make sure the doors are closing correctly. Finally, check the temperature control setting and adjust it one increment at a time, waiting for the temperature to stabilize. It's also p...
  • L
    Lauren WebsterNov 24, 2025
    Why is my LG Refrigerator icemaker not making enough ice?
    • A
      Amanda GutierrezNov 25, 2025
      If your LG Refrigerator icemaker is not making enough ice, it could be due to several reasons. The demand might exceed the ice storage capacity, as the icemaker produces approximately 70-210 cubes in a 24-hour period. Check if the house water supply is not connected, the valve is not fully open, or the valve is clogged; connect the refrigerator to a cold water supply with adequate pressure and fully open the water shutoff valve. The water filter may be exhausted, so replace it approximately every six months, when the water filter indicator turns on, when the water dispenser output decreases, or when the ice cubes are smaller than normal. Low house water supply pressure can also be a factor. The tubing connecting the refrigerator to the house supply valve might be kinked; straighten or repa...
  • C
    Christina WatsonDec 1, 2025
    Why does my LG LFX25974ST cooling system run too much?
    • D
      dunnbrandonDec 1, 2025
      There are several reasons why your LG Refrigerator's cooling system might be running too much. If the refrigerator is replacing an older model, it's normal for modern refrigerators to require more operating time due to more efficient technology. If the refrigerator was recently plugged in or power was restored, it can take up to 24 hours to cool completely. Frequent door openings, adding a large amount of food, or adding hot food can also cause this issue; try to get everything you need at once, keep food organized, and close the door quickly. Ensure the doors are closed completely. If the refrigerator is installed in a hot location, the compressor will run longer. Also, a clogged condenser or back cover can cause the system to overwork; use a vacuum cleaner to clean the condenser cover an...

Summary

Product Features

Filtered Water and Ice Dispenser

Dispenses fresh, chilled, filtered water and cubed or crushed ice.

Door Alarm

Warns if refrigerator or freezer door is left open for more than 60 seconds.

Humidity Controlled Crisper

Controls humidity to keep fruits and vegetables fresh.

GlideNServe

Provides storage space at a colder temperature than the main refrigerator.

Ice Plus

Increases ice production by approximately 20 percent for 24 hours.

Important Safety Instructions

General Safety Precautions

Essential safety messages for operating the appliance, covering power, installation, and use.

Components

Refrigerator Exterior

Identifies and describes the external parts and features of the refrigerator.

Refrigerator Interior

Identifies and describes the internal components and features of the refrigerator.

Installation

Installation Overview & Specifications

Summary of installation steps and technical requirements for the refrigerator.

Preparation & Placement

Guides on unpacking, choosing location, flooring, ambient temp, and clearances.

Component Handling

Instructions for removing/assembling door handles, doors, and drawers.

Water Line Connection

Detailed steps for connecting the refrigerator to the water supply for the icemaker.

Final Setup & Power

Procedures for turning on power, plugging in, and starting the icemaker.

Leveling & Door Alignment

Steps to properly level the refrigerator and align its doors.

How to Use

Before Use Procedures

Initial steps to prepare the refrigerator before regular operation.

Control Panel Operation

Overview and operation of the refrigerator's control panel and LED display functions.

Icemaker and Dispenser Usage

Instructions for using the ice bin, icemaker, and water dispenser.

Food Storage Guidelines

Optimal storage locations and tips for preserving food freshness.

Crisper & Shelf Adjustment

Instructions for adjusting crisper humidity and refrigerator shelves.

Maintenance

Cleaning Procedures

General guidelines and tips for cleaning the refrigerator's interior and exterior.

Water Filter Replacement

Step-by-step guide on how to replace the water filter cartridge.

Performance Data Sheet

Technical data regarding water filter performance and certifications.

Smart Diagnosis

Using Smart Diagnosis

Instructions on how to use the Smart Diagnosis feature for remote troubleshooting.

Troubleshooting

Cooling System Issues

Addresses problems related to temperature control and cooling system performance.

Ice & Water Dispensing Problems

Troubleshooting for issues with ice maker and water dispenser functionality.

Unusual Sounds & Odors

Identifies and addresses abnormal noises and odors from the refrigerator.

Door & Seal Issues

Solutions for doors not closing properly or being difficult to open.

Warranty (USA)

Warranty Period & Coverage

Details the duration of the warranty for different refrigerator components.

Warranty (Canada)

Canadian Warranty Information

Details warranty terms and conditions specific to Canada.

LG LFX25974ST Specifications

General IconGeneral
Typefreestanding
Stylefrench door
Colorstainless steel
Refrigerator Capacity16.4 cubic feet
Freezer Capacity7.1 cubic feet
Humidity Controlled Crispersyes
Defrost Systemautomatic
Quick Freezeno
Number of Refrigerator Door Binsyes
Temperature Controldigital
Interior Lightled
Ice Makeryes
Water Filteryes
Air Filterno
Door Alarmyes
Smart Homeno
Annual Energy Consumption547 kilowatt hours
Voltage115 volts
Current20 amperes
Weight and Dimensions IconWeight and Dimensions
Depth34.25 inches
Height69.75 inches
Width35.75 inches
Net Weight324 pounds

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