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OWNER'S MANUAL
WASHING MACHINE
Read this owner's manual thoroughly before operating the
appliance and keep it handy for reference at all times.
ENGLISH
WT7850H*A / WT7800H*A
www.lg.com
MFL68267080
Copyright © 2019-2021 LG Electronics Inc. All Rights Reserved.
Rev.01_102221

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Table of Contents
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Summarization of Contents

IMPORTANT SAFETY INSTRUCTIONS
Safety Messages Explained
Explains safety alert symbols and warning/caution word meanings.
Installation Safety Guidelines
Critical safety instructions for appliance installation procedures.
Operation Safety Precautions
Essential safety guidelines for operating the washing machine correctly.
Maintenance Safety Warnings
Safety warnings and procedures for cleaning and servicing.
Caution Statements
Precautions to avoid minor injury, malfunction, or property damage.
PRODUCT OVERVIEW
Product Features and Components
Details and illustrations of the washing machine's components.
Included and Required Accessories
Lists accessories that come with the product and those that need to be purchased.
Product Specifications
Technical details like dimensions, electrical requirements, and weight.
INSTALLATION GUIDE
Pre-Installation Requirements
Covers safety, location, power, and flooring before installation begins.
Unpacking and Preparation Steps
Steps for removing shipping materials and preparing the washer.
Connecting Water and Drain Hoses
Detailed instructions for attaching inlet and drain hoses correctly.
Leveling and Securing the Washer
Guide to properly leveling the appliance for stability and performance.
Final Checks and Testing Procedures
Procedures for connecting power, final checks, and running a test cycle.
OPERATION BASICS
Getting Started Before Use
Initial steps and safety warnings before operating the washer.
Basic Operation Steps
Guide to loading laundry, adding detergent, and starting a wash cycle.
LAUNDRY PREPARATION
Sorting Laundry Guidelines
How to sort clothes by color, soil level, fabric type, and lint.
Understanding Fabric Care Labels
Interpreting clothing care symbols for proper washing.
LOADING THE WASHER
General Loading Tips
Best practices for loading clothes, including pocket checks and zipper closures.
Loading Specific Item Types
Guidance for loading bulky items, small items, and models with an impeller.
ADDING CLEANING PRODUCTS
Detergent Usage and Dispenser Guide
How to use HE detergents and load the dispenser drawer correctly.
Bleach Dispensing Information
Instructions for using the liquid bleach dispenser safely and effectively.
CONTROL PANEL AND DISPLAY
Control Panel Layout and Buttons
Overview of all buttons and controls on the washing machine.
Understanding the Display Indicators
Explains time remaining, cycle status, door lock, and Wi-Fi indicators.
WASH CYCLES AND OPTIONS
Standard Wash Cycles
Descriptions and settings for Normal, Heavy Duty, Bedding, Deep Wash, Sanitary cycles.
Specialized Wash Cycles
Details for Delicates, Perm.Press, Towels, Speed Wash, Waterproof, and Downloaded cycles.
Available Cycle Options
Explanation of additional features like Soak, Stain Care, Cold Wash, Turbo Wash.
CYCLE MODIFIERS AND SPECIAL FEATURES
Using Cycle Modifier Buttons
How to adjust temperature, spin speed, and soil level settings.
Special Care Features Explained
Details on using Soak and Stain Care options for enhanced cleaning.
ADVANCED OPERATION FEATURES
Special Cycle Options
Explains Rinse+Spin, Add Garments, Steam, Cold Wash, Delay Wash, Signal, Turbo Wash.
Remote Operation
Instructions for using the remote start feature via a smartphone.
CONTROL LOCK FUNCTION
Control Lock Functionality
How to enable and disable the control lock to prevent accidental changes.
SMART FUNCTIONS AND CONNECTIVITY
LG ThinQ Application Features
Details on remote control, downloaded cycles, energy monitoring, and smart diagnosis.
Connecting to LG ThinQ
Steps for installing the app and connecting the washer to your Wi-Fi network.
REMOTE START AND DOWNLOADED CYCLES
Remote Start and Downloaded Cycles
How to use remote start and download custom cycles via the app.
DIAGNOSING ISSUES
Using Smart Diagnosis™
How to use the app or audible method to diagnose appliance problems.
MAINTENANCE AND CARE
Routine Cleaning Procedures
Steps for cleaning the tub, dispenser, and exterior.
Filter and Buildup Maintenance
Instructions for cleaning inlet filters and removing mineral buildup.
Seasonal and Cold Climate Care
Procedures for storing the washer and dealing with frozen hoses.
TROUBLESHOOTING GUIDE
Error Codes and Solutions
Explains error messages like UE, IE, DE, CL, LE, FE, PE and their resolutions.
Addressing Operational Problems
Covers noises, water issues, detergent problems, and performance issues like wrinkling.
Wi-Fi Connectivity Troubleshooting
Solutions for when the appliance and smartphone cannot connect to Wi-Fi.
LIMITED WARRANTY
Warranty Coverage and Terms
Details on warranty period, terms, conditions, and what is covered.
Exclusions and Limitations
Lists what is NOT covered by the limited warranty.
Dispute Resolution Process
Explains arbitration, notice of dispute, and opt-out procedures.

Table of Contents