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LG LFC20770SB - User Manual

LG LFC20770SB
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Model Name/Nombre de Modelo **=color number/número de color
LFC20770**
P/No. MFL67241801
Rev.1
ENGLISH ESPAÑOL
www.lg.com
OWNER’S MANUAL
BOTTOM FREEZER
REFRIGERATOR
Please read this manual carefully before operating
your set and retain it for future reference.
MANUAL DE USUARIO
REFRIGERADOR
CON CONGELADOR INFERIOR
Lea detenidamente este manual antes
de empezar a utilizar el refrigerador y guárdelo
como referencia para el futuro.
MFL67241801_1.indd 2 6/9/2011 12:31:38 PM

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Questions and Answers

  • R
    russelljacobsonSep 10, 2025
    How to stop LG Refrigerator control panel lights blinking sequentially or display showing 'OFF'?
    • S
      Stacey RobertsSep 10, 2025
      The blinking control panel lights or the display showing 'OFF' on your LG Refrigerator indicates that it is in Demo Mode. To disable it (Type 1), press the ULTRA ICE and Adjust Temp buttons simultaneously for 5 seconds. To disable it (Type 2), press of the cold buttons for 5 seconds.
  • J
    jody37Aug 22, 2025
    How to fix strange sounds or vibrations in LG Refrigerator?
    • T
      Tammie GainesAug 23, 2025
      If your LG Refrigerator is making strange sounds or vibrating, it might not be correctly positioned. Adjust the leveling screws because the floor may be unleveled or weak.
  • K
    Kevin DicksonAug 25, 2025
    Why is my LG Refrigerator ice maker not producing ice or freezing slowly?
    • T
      Tracy MurphyAug 25, 2025
      If your LG Refrigerator's ice maker isn't producing ice or the ice cubes are freezing too slowly, wait 24 hours after hook-up for ice production. Also, make sure that the door is not left open.
  • D
    Denise HowardAug 26, 2025
    How to fix LG Refrigerator that won't turn on?
    • J
      Jennifer BurnettAug 27, 2025
      If your LG Refrigerator isn't turning on, a fuse might have blown, or the circuit could be faulty. Replace the fuse or reset the circuit breaker. Also, ensure the refrigerator is firmly plugged into a working outlet with the correct voltage. If it still doesn't turn on, wait about 30 minutes to allow the defrost cycle to complete.
  • R
    robert08Aug 27, 2025
    Why is there ice on the food in my LG LFC20770SB?
    • C
      Christopher HughesAug 28, 2025
      Ice on food in your LG Refrigerator is often due to the door not being closed completely. Also, opening the door frequently lets warm, humid air into the freezer, which results in frost.
  • M
    msteinAug 29, 2025
    How to fix LG LFC20770SB temperature too hot or humidity inside?
    • N
      npatelAug 29, 2025
      If the temperature in your LG Refrigerator is too high or there's humidity inside, check if the air vents are blocked and clear any obstructions. Avoid frequent door openings to prevent warm, humid air from entering. Allow 24 hours for temperature stabilization after adjusting the refrigerator control. Ensure food is properly wrapped and bins are dry to minimize humidity. Also, it’s normal that some water props get formed after the defrosting cycle is completed.
  • D
    Dennis GraySep 18, 2025
    How to get rid of weird taste and smell in ice from LG Refrigerator?
    • R
      robertrussellSep 18, 2025
      To address weird tastes and smells in the ice from your LG Refrigerator, dispose of the old ice and make new ice. Also, check if the food hasn’t been packed correctly, as this can transfer odors and tastes to the ice. Repack the food properly.
  • B
    Brenda WalkerSep 12, 2025
    Why are the ice cubes too small in my LG Refrigerator?
    • P
      Paul EdwardsSep 12, 2025
      If the ice cubes from your LG Refrigerator are too small, you may have selected a smaller cube size level; select a bigger size for the ice cubes. The water supply valve might be blocked, in which case you should call a plumber to clean the valve.
  • F
    farrellwendySep 8, 2025
    How to fix LG LFC20770SB Refrigerator doors that are hard to open?
    • B
      braunmelanieSep 8, 2025
      If the doors of your LG Refrigerator are hard to open, the gaskets may be dirty or sticky. Clean the gaskets and the surfaces they contact, using a damp cloth with paraffin. The door opens itself as soon as you close it, the warm air enters in the refrigerator. When this air is cooled down it occupies less volume and creates a vacuum effect. If it is difficult to open wait 5 minutes then check.
  • Y
    Yvonne OwensSep 5, 2025
    What to do if LG LFC20770SB doors will not close completely?
    • J
      jordandavidSep 5, 2025
      If the doors of your LG Refrigerator won't close properly, make sure that the refrigerator is leveled properly. Also, check for food packages blocking the doors and adjust the bins to create space. Ensure that the ice bin, vegetable bin, panels, and shelves are correctly placed. Clean the gaskets, applying paraffin with a cloth if they're sticking. If the refrigerator wobbles, level it. If doors were removed during installation, reinstall them correctly.

Summary

Warranty Information

Limited Warranty Scope

Details warranty scope for US purchasers and specific product coverage.

Warranty Period

Lists warranty periods for refrigerator components and sealed systems.

Customer Assistance Numbers

Provides contact numbers for warranty, product, and service support.

Important Safety Instructions

Safety Message Symbols

Explains safety alert symbols (DANGER, WARNING, CAUTION) and their meanings.

General Safety Precautions

Lists precautions to reduce risk of fire, electrical shock, or personal injury.

Child Entrapment Hazard

Warns about the hazard of child entrapment in abandoned refrigerators.

CFC Disposal Guidance

Advises on proper disposal of refrigerants due to environmental impact.

Electrical Grounding Requirements

Details electrical grounding requirements for safe appliance operation.

Parts and Features Overview

Refrigerator Controls and Lighting

Identifies temperature controls and interior lighting.

Storage Compartments

Details crispers, pantry, Durabase, and shelves.

Ice Maker and Freezer Drawer

Covers the ice maker, ice bin, and pull-out drawer.

Door Racks

Identifies the door racks.

Refrigerator Installation Guide

Unpacking and Initial Setup

Instructions on removing packaging, stickers, and initial placement.

Installation Placement

Guidance for placing and leveling the unit, and maintaining spacing.

Base Grille Installation

Steps for removing and installing the refrigerator's base grille.

Door Removal and Installation

Detailed steps for removing and reinstalling refrigerator doors.

Handle Removal and Installation

Instructions for removing and installing refrigerator and freezer handles.

Pull Out Drawer Installation

Detailed steps for removing and installing the pull-out drawer.

Door Alignment and Closing

Guidance on adjusting doors for proper closure and alignment.

Using Your Refrigerator

Air Circulation and Door Alarm

Explains proper air flow and the function of the door alarm.

Adjusting Temperature Controls

Instructions for setting and adjusting refrigerator and freezer temperatures.

Food Storage Guidelines

Offers advice on storing fresh and frozen foods for optimal preservation.

Refrigerator Shelving

Instructions on adjusting and replacing refrigerator shelves.

Crisper Humidity Control

Explains how to adjust humidity control in crispers for different foods.

OptiBin Crispers

Information on OptiBin crispers for fruit and vegetable freshness.

Dairy and Egg Compartments

Instructions for using and maintaining dairy and egg compartments.

Freezer Section Components

Details on ice bin, Durabase, and glide-out drawer basket.

Refrigerator Care and Cleaning

Explosion Hazard Warning

Warning about using flammable cleaners and potential explosion risk.

Interior and Exterior Cleaning

Steps for cleaning the refrigerator's interior, exterior, and specific parts.

Replacing Interior Lights

Information on replacing LED lighting, requiring a technician.

Power Interruption Procedures

Advice on managing food during power outages.

Preparing for Vacation or Moving

Steps for preparing the refrigerator before leaving or moving.

Automatic Ice Maker Operation

Ice Maker Safety Warning

Warns about the hazard of contacting moving parts of the ice maker.

Ice Maker Operating Instructions

Detailed steps for the ice maker's operation and ice production.

Ice Maker Switch Control

Guidance on when to turn the ice maker switch on or off.

Normal Ice Maker Sounds

Describes normal sounds associated with the ice maker's operation.

Connecting the Water Line

Pre-Installation Requirements

Lists required tools, materials, and pre-installation checks.

Water Line Installation Steps

Step-by-step guide for installing the water line connection.

Water Source and Valve Selection

Guidance on selecting water sources and valve locations.

Drilling and Valve Tightening

Instructions for drilling a hole and securely tightening the water valve.

Pipeline Connection and Draining

Steps for connecting the pipeline to the valve and draining the pipe.

Final Refrigerator Connection

Final steps to connect the water line to the refrigerator and turn on the ice maker.

Troubleshooting Guide

Understanding Refrigerator Sounds

Explains common sounds produced by the refrigerator and their causes.

Refrigerator Not Turning On

Troubleshooting steps for when the refrigerator does not power on.

Control Panel Lights Blinking

Solutions for blinking control panel lights, including Demo Mode.

Interior Light Not Working

Troubleshooting steps for when the interior light fails to turn on.

Unusual Noises or Vibrations

Addresses causes and solutions for strange noises or vibrations.

Compressor Motor Stays On Too Long

Explains reasons for the compressor motor running for extended periods.

Doors Not Closing Completely

Troubleshooting steps for doors that do not close properly.

Ice Formation on Food

Addresses causes of ice formation on stored food items.

Ice Taste and Smell Issues

Solutions for strange tastes or smells encountered in the ice.

Water in Draining Bin

Explains reasons for water presence in the draining bin.

Excessive Refrigerator Noise

Solutions for excessive noise originating from the refrigerator.

Ice Maker Production Issues

Troubleshooting for ice maker not producing ice or freezing too slowly.

Small Ice Cubes

Addresses issues related to the size of ice cubes produced.

Doors Difficult to Open

Explains why refrigerator doors might be difficult to open.

Ice Maker Malfunction

Troubleshooting steps for a non-functional ice maker.

Temperature and Humidity Problems

Solutions for high temperatures and humidity inside the refrigerator.

LG LFC20770SB Specifications

General IconGeneral
TypeFrench Door
Energy Star RatedYes
Ice MakerYes
Counter DepthYes
Water DispenserYes
Width35.75 inches
Height69.75 inches

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