LG Refrigerator Model LFX25974ST Manual

The LG LFX25974ST is a 25 cubic foot French Door Refrigerator with dual ice makers, linear cooling technology, door cooling+ system, smart cooling plus, smart diagnosis system, LED lighting, external water and ice dispenser, and energy star certification. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Using the Dispenser 7. Care & Cleaning 8. Energy Saving Tips 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: French doors with bottom freezer, external water/ice dispenser, dual ice makers (craft ice and cubed ice), linear compressor, smart diagnosis system, door alarm, and adjustable shelves.

Feature	Description
Linear Compressor	10-year warranty, energy efficient cooling
Door Cooling+	Evenly distributes cool air to all shelves
Smart Cooling Plus	Multiple sensors maintain ideal temperature and humidity
Smart Diagnosis	Allows technicians to diagnose issues via phone
External Dispenser	Water, cubed ice, and craft ice dispenser on door
LED Lighting	Bright, energy-efficient interior lighting
SpillSafe Glass Shelves	Contain spills for easy cleaning
Fresh Air Filter	Reduces odors and keeps food fresh
Door Alarm	Alerts if door is left open
Energy Star Certified	Meets strict energy efficiency guidelines

Installation

Unpack and inspect contents. Remove all packaging materials and tape.

Choose location: Place on level floor near electrical outlet and water line (for ice maker).
Connect water supply: Shut off main water supply, connect 1/4" copper tubing to water valve.
Level the refrigerator: Adjust front leveling legs to ensure doors close properly.
Plug into grounded electrical outlet.
Allow 24 hours for cooling before adding food.

WARNING! Refrigerator is heavy; use two people for moving. Ensure water line connections are tight to prevent leaks.

First-Time Setup

After installation, complete initial setup.

Power on refrigerator: Plug in and ensure power is supplied.
Set temperature: Default is 37°F for fridge, 0°F for freezer. Adjust using control panel.
Activate ice maker: Press and hold ice maker button for 3 seconds to start ice production.
Run water dispenser: Flush water system for 3 minutes to clear air and impurities.
Configure smart features: Connect to LG SmartThinQ app if desired (optional).

CAUTION! Do not overload shelves. Allow space between food items for proper air circulation.

Specifications

Model: LFX25974ST
Capacity: 25 cubic feet (total)
Dimensions (HxWxD): 69.875" x 35.75" x 33.75"
Door Style: French Door with Bottom Freezer
Ice System: Dual Ice Makers (Craft Ice & Cubed Ice)
Water Filter: LT1000P (replace every 6 months)
Compressor: Linear Compressor (10-year warranty)
Defrost System: Frost-Free
Energy Star: Yes
Voltage: 115V, 60Hz
Annual Energy Use: 608 kWh

Controls and Settings

Control panel located on refrigerator door exterior.

Buttons: TEMPERATURE (Fridge/Freezer), ICE TYPE (Cubed/Craft), ICE PLUS (rapid ice production), WATER FILTER (reset indicator), LOCK (child lock), ALARM (door alarm on/off).

Temperature Settings: Fridge (34°F to 46°F), Freezer (-6°F to 5°F). Ice Options: Cubed ice (standard), Craft ice (slow-melting round ice). Smart Features: Connect to Wi-Fi for remote monitoring via LG SmartThinQ app. Filter Reset: Press and hold WATER FILTER button for 3 seconds after replacing filter.

Using the Dispenser

External dispenser provides water, cubed ice, and craft ice.

Select ice type: Press ICE TYPE button to choose between cubed or craft ice.
Get water: Press glass against water paddle.
Get ice: Press glass against ice paddle (cubed) or select craft ice button.
Ice Plus: Press ICE PLUS for rapid ice production when needed.
Child Lock: Press and hold LOCK for 3 seconds to disable dispenser.

Tip: First use may produce discolored or odd-tasting ice/water. Discard first few batches.

Care & Cleaning

Unplug before cleaning interior. Use mild detergent and warm water for cleaning.

Exterior: Clean with soft cloth and mild detergent. Avoid abrasive cleaners.
Interior: Remove shelves and drawers. Wash with warm soapy water.
Dispenser: Wipe with damp cloth. Clean ice bucket monthly.
Condenser coils: Vacuum every 6-12 months (located at back or bottom).
Water filter: Replace every 6 months or when filter indicator light turns on.

CAUTION! Do not use sharp objects to remove ice. Never use boiling water to defrost.

Energy Saving Tips

Keep temperature settings at recommended levels (37°F fridge, 0°F freezer).
Ensure door seals are clean and tight.
Allow hot food to cool before placing in refrigerator.
Keep condenser coils clean.
Minimize door openings and ensure doors close completely.
Don't overfill refrigerator; allow air circulation.
Use energy-saving mode if available.

Regulatory Information

UL Listed. FCC Part 15: Class B digital device. Energy Star Partner. California Proposition 65 Warning. Manufactured for LG Electronics USA, Inc. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000. Serial number located on interior side wall.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Refrigerator not cooling	Power issue/doors not sealed	Check power cord; ensure doors close completely; check temperature settings.
Ice maker not working	Water supply/filter/arm position	Ensure water supply is on; check filter; make sure ice maker arm is in down position.
Water dispenser not working	Water supply/filter/kinked line	Check water supply valve; replace filter; check for kinks in water line.
Excessive frost in freezer	Door seal/warm food	Check door seals; ensure food is cooled before freezing; don't overload freezer.
Noisy operation	Leveling/items touching	Ensure refrigerator is level; check for items touching back wall; allow 24 hours after installation for sounds to normalize.
Control panel not responding	Child lock/power	Check if child lock is enabled; unplug for 1 minute then reconnect.

Smart Diagnosis: Use LG SmartThinQ app or call 1-800-243-0000 and press appropriate buttons when prompted.

Service: 1-800-243-0000; www.lg.com