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LG WM2277HB - User Manual

LG WM2277HB
44 pages
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100
WASHING MACHINE
SERVICE MANUAL
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM2277H*/WM2077CW
CAUTION
Website: http: //www.LGEservice.com
E-mail: http: //www.LGEservice.com/techsup.html
!

Questions and Answers

Summary

1. Specifications

2. Features & Technical Explanation

Key Features Overview

Details on Direct Drive System, Tilted Drum, Water Circulation, RollerJets, Auto Load Detection, Heater, Child Lock.

Neuro Fuzzy Washing Time Optimization

How optimal washing time is determined by temperature and load size.

Water Level Control

Uses a pressure sensor to manage water level in the tub.

Door Control Mechanism

Explains door operation, locking, and unlocking procedures.

Door Opening Restrictions

Conditions under which the door cannot be opened during operation.

Door Locked Lamp Indicator

Conditions triggering the door locked lamp based on water level/temp.

Child Lock Operation

Instructions for activating and using the child lock feature.

Water Circulation Function

Details on how water circulation operates during wash and rinse.

3. Parts Identification

Included Accessories

List of accessories provided with the washing machine.

4. Installation & Test

Standard Installation Procedure

Steps for removing shipping bolts, placing, and leveling the appliance.

Inlet Hose Connection

Proper procedure for connecting the water inlet hose securely.

Drain Hose Connection

Guidelines for connecting the drain hose, avoiding twists and submersion.

Power Plug Connection

Instructions for safely connecting the power plug to the outlet.

Operational Test Guide

Step-by-step guide to test machine functions like water supply, rotation, heating, drain, and spin.

5. Operation

Control Panel Layouts

Visual guide to the control panel buttons and selectors for WM2277H* and WM2077CW.

Power Button Functionality

How to use the power button to turn the unit on and off.

Estimated Time Display

Understanding the estimated time remaining and error code display.

Cycle Selector Knob Usage

How to use the cycle selector knob for fabric and soil levels.

Start;Pause Button Operation

How to start, pause, and resume washing cycles.

Custom Program Creation

Guide to creating and storing personalized wash cycles.

Child Lock Activation

Instructions for activating and deactivating the Child Lock feature.

Delay Wash Functionality

How to use the delay wash feature to postpone cycle start times.

Cycle Status Indicators

Explanation of indicator lights showing the progress of the wash cycle.

Door Lock Indicator Lamp

Information regarding the door locked indicator and unlocking process.

Wash Settings Buttons

How to select water temp, spin speed, soil level, and beeper volume.

Program Option Selection

Details on using optional cycles like Prewash, Rinse+Spin, Extra Rinse, Stain, Quick Cycle.

6. Wiring Diagram;Program Chart

Wiring Diagrams (WM2277 H*;WM2077 CW)

Electrical wiring schematics for both models.

Program Cycle Chart

Detailed chart showing cycle steps, water supply, rinse, spin, and time.

7. Troubleshooting

Pre-Troubleshooting Precautions

Safety and preparatory steps before performing troubleshooting.

QC Test Mode Operation

Procedure for entering and utilizing the Quality Control test mode for diagnostics.

Water Level Frequency Check

Method to check the water level frequency via specific button presses.

Error Code Displays and Causes (Part 1)

Lists error codes (1-7), their symptoms, and potential causes.

Error Code Displays and Causes (Part 2)

Lists error codes (8-12), their symptoms, and potential causes.

8. Error Diagnosis and Check List

Abnormal Operation Diagnosis (No Power, Water Inlet)

Flowchart for diagnosing and resolving no power and water inlet issues.

Abnormal Operation Diagnosis (Door, Drain)

Flowchart for diagnosing and resolving door errors and drain malfunctions.

Abnormal Operation Diagnosis (Suds, Detergent)

Flowchart for diagnosing suds overflow and detergent flow issues.

8-2. Fault Diagnosis and Troubleshooting

No Power Fault Diagnosis

Detailed diagnostic steps for 'No Power' issues, checking voltage and connections.

Vibration and Noise in Spin Diagnosis

Steps to diagnose and resolve vibration and noise during spin cycles.

Specific Spin Speed Adjustment

Guide to regulating spin speed to minimize vibration and noise.

No Water Supply Troubleshooting

Troubleshooting steps for issues related to water supply.

Detergent Flow Troubleshooting

Steps to diagnose problems with detergent not flowing into the dispenser.

Liquid Detergent;Softener;Bleach Flow Issues

Troubleshooting steps for liquid detergent, softener, or bleach not flowing.

Abnormal Sound Troubleshooting

Steps to diagnose and resolve abnormal sounds originating from the motor.

Heating Without Water Troubleshooting

Diagnostic steps for heating problems when no water is present.

Drain Malfunction Troubleshooting

Steps to diagnose and resolve drain system malfunctions.

Wash Heater Trouble Diagnosis

Troubleshooting steps for issues with the wash heater.

Continuous Heating Above Setting Troubleshooting

Steps for diagnosing continuous heating above the set water temperature.

Water Circulation Troubleshooting

Diagnostic steps for when water fails to circulate within the machine.

Spin Trouble Diagnosis

Steps to diagnose and resolve various spin-related problems.

EE Error Diagnosis

Troubleshooting specific 'EE' errors related to door latch and switch assembly.

9. Disassembly Instructions

Control Panel Assembly Disassembly

Step-by-step guide to remove and disassemble the control panel assembly.

Main PWB Assembly Disassembly

Step-by-step guide to remove and disassemble the main Printed Wiring Board assembly.

Dispenser Assembly Disassembly

Step-by-step guide to remove and disassemble the detergent dispenser assembly.

Noise Filter Disassembly

Step-by-step guide to remove and disassemble the noise filter.

Cabinet Cover Disassembly

Step-by-step guide to remove and disassemble the outer cabinet cover.

Door Assembly Disassembly

Step-by-step guide to remove and disassemble the washing machine door.

Door Lock Switch Assembly Disassembly

Step-by-step guide to remove and disassemble the door lock switch.

Pump Assembly Disassembly

Step-by-step guide to remove and disassemble the water pump.

Heater Assembly Disassembly

Step-by-step guide to remove and disassemble the water heater.

Thermistor Disassembly

Step-by-step guide to remove and disassemble the thermistor.

Foreign Object Removal (Drum;Tub)

Instructions for removing foreign objects stuck between the drum and tub.

Sensor Assembly (Ball Sensor) Disassembly

Step-by-step guide to remove and disassemble the ball sensor assembly.

Motor;Damper Assembly Disassembly

Step-by-step guide to remove and disassemble the motor and damper.

10. Exploded View

Cabinet & Control Panel Assembly Exploded View

Exploded view illustration of the cabinet and control panel components.

Drum & Tub Assembly Exploded View

Exploded view illustration of the drum and tub assembly components.

Dispenser Assembly Exploded View

Exploded view illustration of the dispenser assembly components.

LG WM2277HB Specifications

General IconGeneral
BrandLG
ModelWM2277HB
CategoryWashing machine
LanguageEnglish

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