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LG WM3677HW User Manual

LG WM3677HW
133 pages
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To get the best washing performance, optimal cycle time is determined by
comparing the selected water temperature, sensing the current water
temperature, and the amount of laundry.
p9
Fuzzy Logic
WM3677HW

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Questions and Answers:

LG WM3677HW Specifications

General IconGeneral
TypeFront Load Washer
Capacity4.5 cu. ft.
ColorWhite
Energy Star CertifiedYes
Steam WasherYes
Spin Speed1300 RPM
Width27 inches
Smart WasherYes
Dimensions (HxWxD)27" x 30 1/4"

Summary

Introduction and Overview

Similarities and Differences

Compares regular dryers with the integrated condenser dryer, detailing repair principles.

Disclaimer

States efforts for accuracy and notes that changes may occur, with updates available on LG CS Academy.

Safety Precautions

Provides essential safety guidelines for servicing and operating the appliance.

Combo Specifications

Lists technical specifications for the LG washer/dryer combo model.

Serial Number Identification

Explains the format and meaning of serial numbers for product identification.

Key Features and Operation

Keynotes and Features

Highlights primary features like ventless operation, water usage for drying, and longer drying times.

Appliance Features

Details key features such as direct drive motor, tilted drum, water circulation, and child lock.

Fuzzy Logic Operation

Explains how fuzzy logic determines optimal washing performance based on various sensor inputs.

Door Lock Mechanism

Describes the automatic door lock system and conditions under which the door cannot be opened.

Water Circulation System

Details the recirculation pump's function during wash and rinse cycles for cleaning and efficiency.

Installation Guide

Shipping Bolts Removal

Instructions on removing shipping bolts after delivery and saving them for future moves.

Appliance Installation

Guidance on installing the combo on a firm surface and adjusting feet for leveling.

Control Panel and Programs

Control Panel Layout

Overview of the control panel buttons, display, and indicators.

Washing Program Chart

Detailed chart outlining wash cycles, water supply, spin settings, and approximate working times.

Detergent Dispenser

Explanation of the multi-chambered dispenser for adding laundry additives.

Troubleshooting and Diagnosis

Test Mode Operation

Instructions for entering and navigating the appliance's test modes for diagnostics.

Common Error Codes

Lists error codes, their symptoms, and potential causes for quick troubleshooting.

Diagnosis: No Power

Troubleshooting steps for when the appliance fails to power on.

Diagnosis: Vibration and Spin Noise

Guidance on diagnosing and resolving issues related to excessive vibration or noise during operation.

Diagnosis: No Water Supply

Troubleshooting steps for issues where the appliance does not receive water.

Diagnosis: Detergent Dispensing Issues

Troubleshooting steps for problems with detergent or other products not dispensing correctly.

Diagnosis: Abnormal Sound or Noise

Steps to diagnose and fix issues causing abnormal sounds or noises during operation.

Diagnosis: Heating Malfunctions

Troubleshooting for overheating water or wash heater malfunctions.

Diagnosis: Drain Malfunctions

Steps to diagnose and resolve problems related to the appliance's draining system.

Diagnosis: Spin Malfunctions

Troubleshooting steps for issues occurring during the spin cycle.

Diagnosis: Door Error Codes

Specific troubleshooting for 'dE' and 'dHE' error codes related to the door.

Diagnosis: Dryer Fan and Heater Issues

Troubleshooting steps for dryer fan and dryer heater malfunctions.

Repair Procedures

Control Panel Repair

Step-by-step instructions for removing and replacing the appliance's control panel.

Main PWB Repair

Procedure for disconnecting and removing the Main Printed Wiring Board (PWB).

Motor Repair and Replacement

Detailed guide on servicing and replacing the direct drive motor assembly.

Tub Removal and Repair

Comprehensive guide for removing and repairing the washing machine tub.

Water Level Switch Repair

Instructions on how to access and repair the water level detector switch.

Pump Repair Procedures

Steps for removing and replacing the drain and recirculating pumps.

Water Heater Replacement

Procedure for safely removing and replacing the water heater element.

Thermistor Replacement

Guide for accessing and replacing the thermistor component.

Removal of Foreign Objects

Steps to remove foreign objects lodged within the appliance tub.

Ball Sensor Repair (Unbalance)

Instructions for repairing or replacing the ball sensor used for unbalance detection.

Dryer Specific Repair

Dryer Repair Procedures

Details on the condenser dryer operation and specific repair steps for dryer components.

Technical Information and Diagrams

Main Board Functionality

Explanation of the main board's role in controlling appliance functions and its unrepairable nature.

Wiring Diagram

Visual representation of the appliance's electrical connections and components.

Exploded View Diagrams

Illustrations showing the assembly of various appliance parts for identification.

Parts List

A list of part numbers and descriptions, referencing the service and training manuals.

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