LG LFC25770 Refrigerator Manual

The LG LFC25770 is a 25 cubic foot French Door refrigerator with bottom freezer, featuring Linear Cooling technology for precise temperature control, Door Cooling+ for even cooling, Smart Cooling System to maintain optimal humidity, InstaView Door-in-Door with Knock-On feature, Craft Ice maker producing slow-melting spherical ice, SmartThinQ Wi-Fi connectivity for remote monitoring and control, 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. Connecting to SmartThinQ 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, Linear Compressor, SmartThinQ connectivity, LED interior lighting, and adjustable gallon door bins.

FeatureDescription
InstaView Door-in-DoorKnock twice to see inside without opening door
Craft Ice MakerProduces spherical ice that melts slower
Linear CoolingPrecise temperature control with reduced noise
Door Cooling+Evenly distributes cool air to door compartments
SmartThinQWi-Fi enabled for remote control via smartphone app
Fresh Air FilterReduces odors and keeps food fresh longer
Adjustable ShelvesSpill-proof tempered glass shelves
LED LightingEnergy-efficient interior lighting
ENERGY STARCertified for energy efficiency
External Water & Ice DispenserProvides filtered water and ice through door

Installation

Unpack and inspect contents. Ensure proper location with adequate clearance.

  1. Remove packaging: Take off all tape, foam, and protective film.
  2. Position refrigerator: Allow at least 2 inches clearance on sides, 4 inches at back, and 1 inch at top for ventilation.
  3. Level the unit: Adjust front leveling legs using wrench provided.
  4. Connect water line: For ice maker and water dispenser, connect to cold water supply using approved tubing.
  5. Plug into dedicated 115V AC outlet.

WARNING! Refrigerator is heavy; use two people for moving. Ensure floor can support weight.

First-Time Setup

After installation, allow refrigerator to stabilize for 2-4 hours before loading food.

  1. Power on: Plug in and press power button on control panel.
  2. Set temperatures: Recommended settings: Refrigerator 37°F, Freezer 0°F.
  3. Activate ice maker: Lift ice maker arm to ON position.
  4. Run initial ice production: Discard first batch of ice (approximately 24 cubes).
  5. Install water filter: Twist filter into housing until it stops, then run water for 3 minutes.

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

Specifications

Controls and Settings

Control panel located inside refrigerator on upper right wall. Touch controls for all functions.

Main Controls: Power, Temperature Settings (Fridge/Freezer), Ice Type Selection, Express Chill/Cool, Door Alarm, Filter Reset, SmartThinQ Connection.

Temperature Settings: Refrigerator (34°F to 46°F), Freezer (-6°F to 5°F). Special Modes: Express Chill (rapidly cools refrigerator section), Express Freeze (rapidly freezes items). Door Alarm: Sounds if door left open for 2 minutes. Filter Indicator: Lights when filter needs replacement (approximately 6 months).

Connecting to SmartThinQ

SmartThinQ app allows remote monitoring and control via Wi-Fi.

  1. Download SmartThinQ app from Apple App Store or Google Play Store.
  2. Create LG account or sign in.
  3. Press and hold SmartThinQ button on control panel for 3 seconds until Wi-Fi icon blinks.
  4. Follow in-app instructions to connect refrigerator to home Wi-Fi network.
  5. Once connected, control temperatures, monitor filter status, receive alerts, and run diagnostics remotely.

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

Using InstaView & Craft Ice

InstaView: Knock twice on the glass panel of the Door-in-Door to illuminate interior without opening. Craft Ice: Spherical ice melts slower, ideal for beverages.

  1. InstaView activation: Ensure refrigerator is powered on. Knock firmly twice on the glass panel.
  2. Light duration: Interior LED lights for 10 seconds after knock.
  3. Craft Ice production: Select "Craft Ice" on control panel. First batch takes approximately 24 hours.
  4. Craft Ice storage: Ice stores in dedicated bin in freezer door.
  5. Switching ice types: Toggle between Craft Ice and cubed ice using control panel.

WARNING! Do not strike InstaView glass with hard objects. Clean with soft cloth only.

Care & Cleaning

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

  1. Exterior: Clean stainless steel with grain using damp cloth and mild detergent. Dry thoroughly.
  2. Interior: Remove shelves and bins. Wash with warm soapy water, rinse, and dry.
  3. Door seals: Wipe with clean damp cloth to remove food particles.
  4. Condenser coils: Vacuum every 6-12 months (located at back or bottom).
  5. Water system: Replace filter every 6 months or when indicator lights.

CAUTION! Do not use abrasive cleaners, ammonia, or bleach on stainless steel. Never pour water directly on refrigerator.

Energy Saving Tips

Regulatory Information

UL Listed. FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2023 LG Electronics U.S.A., Inc. All rights reserved. ENERGY STAR qualified. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000. Model LFC25770 complies with U.S. Department of Energy energy conservation standards.

Troubleshooting

SymptomPossible CauseCorrective Action
Refrigerator not coolingPower/thermostatCheck power connection; ensure thermostat set correctly; allow 24 hours for stabilization.
Water dispenser not workingFilter/water supplyReplace water filter; ensure water supply valve is open; check for kinks in line.
Ice maker not producing iceArm position/temperatureEnsure ice maker arm is in down position; freezer must be at 0°F or below.
InstaView not lightingPower/knock sensorEnsure refrigerator is powered; knock firmly twice on center of panel; check for obstructions.
Excessive frost in freezerDoor seal/temperatureCheck door seals for gaps; ensure door closes completely; avoid frequent door openings.
Unusual noisesLeveling/itemsEnsure refrigerator is level; check for items touching back wall; normal compressor sounds may occur.

Reset: Unplug for 5 minutes, then reconnect to reset control board.

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

LG LFC25770 Refrigerator Manual © - All Rights Reserved 2025