LG Refrigerator LFX31925ST 00 Manual

The LG LFX31925ST 00 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 fingerprint-resistant stainless steel finish, dual ice makers, adjustable shelves, and LG ThinQ® technology for smart appliance management. 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 Special Functions 8. Care & Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: French Door design with InstaView panel, Craft Ice™ maker, dual evaporators, adjustable gallon door bins, and smart diagnostics.

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® Wi-Fi	Connect to home network for remote control and diagnostics
Door Cooling+™	Multi-air flow system keeps door compartments cool
Linear Compressor	10-year warranty on compressor and parts
Adjustable Shelves	Spill-proof tempered glass shelves
External Water & Ice Dispenser	Filtered water and ice through the door
Fresh Air Filter	Reduces odors inside the refrigerator
Smart Diagnosis™	Allows technicians to diagnose issues remotely

Installation

Unpack and inspect contents. Ensure proper clearance and leveling.

Remove packaging: Take off all tape, foam, and protective film.
Position refrigerator: Allow at least 2 inches clearance on sides and back for ventilation.
Level the unit: Adjust front leveling legs using a wrench.
Connect water line: For ice maker and water dispenser, connect to cold water supply (1/4" copper tubing recommended).
Plug into dedicated 115V, 15-amp grounded outlet.

WARNING! Do not install near heat sources. Ensure floor can support heavy weight. Use two people for moving.

First-Time Setup

Plug in refrigerator; allow 24 hours for cooling before adding food.

Set temperature: Default is 37°F for fridge, 0°F for freezer. Adjust using control panel.
Enable InstaView: Knock twice on the panel to activate light.
Start ice maker: Discard first batch of ice (about 24 hours after installation).
Connect to Wi-Fi: Download LG ThinQ app and follow prompts to connect.
Install water filter: Twist and lock filter into place; run water for 3 minutes to flush.

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

Specifications

Model: LFX31925ST/00
Capacity: 31 cu. ft. total (20.2 cu. ft. fridge, 10.8 cu. ft. freezer)
Dimensions (HxWxD): 69.875" x 35.75" x 33.75"
Finish: Stainless Steel (PrintProof™)
Doors: French Door with InstaView
Ice Makers: Dual (Craft Ice™ + cubed/crushed)
Water Filter: LT1000P (change every 6 months)
Energy Star: Yes
Voltage: 115V, 60Hz
Annual Energy Use: 745 kWh

Controls and Settings

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

Control Panel: Power Freeze, Power Cool, Ice Type Select, Temp Control, Filter Reset, Lock, and Smart Diagnosis button.

Temperature Settings: Fridge (34-46°F), Freezer (-6 to 5°F). Special Modes: Power Freeze (fast freeze for 3 hours), Power Cool (rapid cooling for 2 hours). Ice Options: Cubed, Crushed, Craft Ice. Door Alarm: Can be enabled/disabled. Filter Indicator: Lights when filter needs replacement (approx. 6 months).

Connecting to Smart Features

Connect to LG ThinQ for remote monitoring and control.

Download LG ThinQ app from App Store or Google Play.
Create account or sign in.
Press and hold Wi-Fi button on control panel for 3 seconds until icon blinks.
Follow app instructions to connect to home network.
Use app to adjust temperatures, run diagnostics, receive filter reminders, and access usage tips.

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

Using Special Functions

Maximize features for optimal food preservation.

InstaView: Knock twice on left door panel to illuminate interior without opening.
Craft Ice: Select "Craft Ice" on control panel; maker produces 8 spheres per day.
Door-in-Door: Press button on handle to open just the InstaView compartment.
Convertible Drawer: Adjust between fridge and freezer temperatures as needed.
Smart Shelf: Adjusts height to accommodate tall items.
Ice & Water Dispenser: Press glass against paddle; select ice type (cubed/crushed).
Fresh Air Filter: Replace every 12 months (part #AFT1000S).
Vacation Mode: Sets fridge to higher temp when away for extended periods.

WARNING! Do not use sharp objects to remove ice. Keep children away from dispenser.

Care & Cleaning

Unplug before cleaning interior. Use mild detergent and soft cloth.

Exterior: Wipe with damp cloth; use stainless steel cleaner for prints.
Interior: Remove shelves and drawers; wash with warm soapy water.
Condenser coils: Vacuum every 6-12 months (located at back or bottom).
Door seals: Clean with baking soda solution to maintain seal.
Ice maker: Empty and clean ice bin monthly.

CAUTION! Do not use abrasive cleaners, solvents, or steam. Never pour water over control panel.

Regulatory Information

UL Listed. FCC Part 15 Class B digital device. This appliance is not intended for use by persons with reduced capabilities. Manufactured for LG Electronics USA, Inc. Copyright © 2023 LG Electronics. All trademarks are property of their respective owners. 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/doors	Check power cord; ensure doors close completely; allow 24 hours after first plug-in.
Ice maker not working	Water supply/filter	Ensure water line connected; replace water filter; check for kinks in line.
Water dispenser slow	Filter/water pressure	Replace water filter; check household water pressure (min. 20 psi).
Loud noises	Leveling/fan	Ensure unit is level; check for items touching back wall; condenser fan may be noisy during cooling cycle.
Control panel unresponsive	Child lock/power	Disable child lock (hold Lock button 3 seconds); unplug for 1 minute then restart.
Wi-Fi not connecting	Network/router	Ensure 2.4 GHz network; move router closer; restart refrigerator and router.
Frost in freezer	Door seal/temperature	Check door seals for gaps; ensure temperature set to 0°F or lower.

Smart Diagnosis: Press and hold Smart Diagnosis button for 3 seconds, then call LG with the sound code.

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