LG Refrigerator Model LFX31925ST Manual

The LG LFX31925ST is a 31 cubic foot French Door Refrigerator with InstaView Door-in-Door, Craft Ice™ maker, Smart Cooling Plus™ system, and Wi-Fi connectivity. It features a stainless steel finish, dual ice makers, adjustable shelves, humidity-controlled crispers, and LG ThinQ® technology for smart control. 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. Connecting to Smart Features 7. Using InstaView & Craft Ice 8. Care & Cleaning 9. Energy Saving Tips 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: French Door design, InstaView Door-in-Door panel, Craft Ice™ maker, Smart Cooling Plus™, dual evaporators, adjustable gallon door bins, and LG ThinQ® app compatibility.

Feature	Description
InstaView Door-in-Door	Knock twice on glass panel to see inside without opening door
Craft Ice™ Maker	Produces slow-melting spherical ice
Smart Cooling Plus™	Dual evaporators maintain ideal humidity and temperature
LG ThinQ® Technology	Wi-Fi enabled for remote control and diagnostics via app
Door Cooling+™	Multi-air flow system for even cooling
Adjustable Shelves	Spill-proof tempered glass shelves
Humidity Control Crispers	Preserve freshness of fruits and vegetables
External Water & Ice Dispenser	Provides filtered water and ice through door
Energy Star® Certified	Meets energy efficiency guidelines
Stainless Steel Finish	Fingerprint-resistant exterior

Installation

Unpack and inspect contents. Ensure location meets requirements.

Remove packaging: Take off all tape, foam, and protective film.
Position refrigerator: Place on level floor with at least 2 inches clearance on sides and back for ventilation.
Connect water line: For ice maker and water dispenser, connect to cold water supply using approved tubing.
Plug into dedicated 115V, 60Hz AC outlet with proper grounding.
Allow to stabilize: Let refrigerator stand upright for 2 hours before powering on.

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

First-Time Setup

Power on refrigerator; follow initial setup prompts.

Set temperature: Default is 37°F for fridge, 0°F for freezer. Adjust via control panel.
Enable InstaView: Knock twice on Door-in-Door panel to activate light.
Prime water system: Dispense water for 3 minutes to clear air from lines.
Connect to Wi-Fi: Use LG ThinQ® app to connect refrigerator for smart features.
Load food: Allow 24 hours for temperature stabilization before filling completely.

CAUTION! Do not block air vents inside refrigerator. Ensure doors close completely.

Specifications

Model: LFX31925ST
Type: French Door Refrigerator with Bottom Freezer
Total Capacity: 31 cubic feet
Fresh Food Capacity: 20.2 cubic feet
Freezer Capacity: 10.8 cubic feet
Dimensions (HxWxD): 69.875" x 35.75" x 34.75"
Finish: Stainless Steel (Fingerprint Resistant)
Ice System: Dual Ice Makers (Craft Ice™ + Cubed Ice)
Water Filter: LT1000P (replace every 6 months)
Power Requirements: 115V, 60Hz, 7.5 Amps
Energy Star®: Yes
Warranty: 1 year parts & labor, 10 years sealed system

Controls and Settings

Access controls via touch panel on door or LG ThinQ® app.

Control Panel Features: Temperature Settings (Fridge/Freezer), Ice Type Selection, Power Cool, Power Freeze, Door Alarm, Filter Reset, Wi-Fi Connection, Lock Controls.

Temperature Settings: Fridge: 34°F to 46°F; Freezer: -6°F to 8°F. Ice Options: Craft Ice, Cubed, Crushed. Smart Features: Smart Diagnosis, Energy Saving Mode, Sabbath Mode. Alerts: Door Open, Filter Replacement, Temperature Warning.

Connecting to Smart Features

LG ThinQ® app allows remote monitoring and control.

Download LG ThinQ® app from App Store or Google Play.
Enable Wi-Fi on refrigerator through control panel.
Follow in-app instructions to connect refrigerator to home network.
Access features: Remote temperature adjustment, ice maker control, energy usage monitoring, diagnostic alerts, and software updates.

Tip: Ensure refrigerator is within range of Wi-Fi router (2.4GHz network required).

Using InstaView & Craft Ice

Special features for convenience and premium ice.

InstaView: Knock twice on Door-in-Door glass panel to illuminate interior. Light turns off after 10 seconds.
Craft Ice: Select "Craft Ice" on control panel. Maker produces approximately 8 spheres per day (first batch may take 24 hours).
Dual Ice: Use both cubed ice and Craft Ice simultaneously.
Ice Dispenser: Press glass against dispenser lever for ice or water. Use dedicated buttons for ice type selection.

WARNING! Do not knock excessively on InstaView panel. Keep ice maker area clean to prevent clogging.

Care & Cleaning

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

Exterior: Clean with stainless steel cleaner and soft cloth. Wipe in direction of grain.
Interior: Remove shelves and drawers. Wash with mild soap, rinse, dry completely.
Door Seals: Wipe with damp cloth to remove debris.
Condenser Coils: Vacuum every 6-12 months for efficiency.
Water System: Replace LT1000P filter every 6 months or 200 gallons.

CAUTION! Do not use abrasive cleaners, steel wool, or ammonia-based products. Never pour water over control panel.

Energy Saving Tips

Set temperatures to recommended levels (37°F fridge, 0°F freezer).
Ensure door seals are clean and tight.
Allow hot food to cool before placing inside.
Keep condenser coils clean.
Use Power Cool/Power Freeze only when necessary.
Position refrigerator away from heat sources (oven, dishwasher, direct sunlight).

Regulatory Information

UL Listed. FCC Part 15 Compliant. This device complies with Industry Canada license-exempt RSS standard(s). 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.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Refrigerator not cooling	Power issue/temperature setting	Check power cord; ensure outlet works; verify temperature settings.
Water dispenser not working	Water supply/filter	Ensure water supply valve is open; replace water filter; check for kinks in line.
Ice maker not producing ice	Temperature/freezer setting	Ensure freezer is at 0°F or below; allow 24 hours for initial batch; check ice maker arm position.
InstaView light not working	Power/feature disabled	Check refrigerator power; ensure feature is enabled in settings; knock firmly twice.
Excessive frost in freezer	Door seal/warm food	Check door seals for gaps; avoid placing warm food in freezer; ensure door closes completely.
Unusual noise	Leveling/fan obstruction	Ensure refrigerator is level; check for items touching back wall; clean condenser fan.
Wi-Fi not connecting	Network/router issues	Verify 2.4GHz network; check password; move router closer; restart refrigerator.

Smart Diagnosis: Use LG ThinQ® app for automated troubleshooting.

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