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LG WM2277HW Service Manual

LG WM2277HW
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34
Disassemble the top plate assembly.
Pull out the drawer.
Push out the DISPENSER ASSEMBLY after
unscrew 2 screws.
Unscrew the nut at the lower part of the dispenser.
Disassemble the 4 connectors from the valves.
Unscrew 2 screws from the back of the cabinet.
Disassemble two (or three) connectors from
the NOISE FILTER.
Unscrew a screw from the TOP BRACKET.
Wire Color
Blue Housing (OR-BK)
White Housing (WH-BK)
Blue Housing (GY-BK)
Red Housing (BL-BK)
DISPENSER ASSEMBLY
NOISE FILTER

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LG WM2277HW Specifications

General IconGeneral
TypeFront Load Washer
Energy StarYes
ColorWhite
Height39 inches
Steam WasherYes
Voltage120 V
Spin Speed1200 RPM

Summary

1. SPECIFICATIONS

2. FEATURES & TECHNICAL EXPLANATION

2-1. FEATURES

Lists key features: Direct Drive, Tilted Drum, Water Circulation, RollerJets, Load Detection, Heater, Child Lock, RLM.

2-2. NEURO FUZZY WASHING TIME OPTIMIZATION

Explains how Neuro Fuzzy logic optimizes wash time based on temperature and load size.

2-3. WATER LEVEL CONTROL

Describes the pressure sensor for water level detection and control.

2-4. DOOR CONTROL

Explains door operation, locking, unlocking after power failure, and associated sounds.

2-5. THE DOOR CAN NOT BE OPENED

Lists specific conditions under which the washing machine door remains locked.

2-6. DOOR LOCKED LAMP LIGHTS

Explains the conditions that activate the door locked indicator lamp.

2-7. CHILD LOCK

Details how to activate and use the Child Lock feature to prevent unintended operation.

2-8. WATER CIRCULATION

Describes the water circulation process during washing and rinsing cycles.

3. PARTS IDENTIFICATION

4. INSTALLATION & TEST

STANDARD INSTALLATION

Provides steps for standard installation, including removing transit bolts and leveling the appliance.

HOW TO CONNECT THE INLET HOSE

Instructions for securely connecting the water inlet hoses to prevent leaks.

CONNECT THE DRAIN HOSE

Guidelines for connecting the drain hose, ensuring it's not twisted or submerged.

CONNECT POWER PLUG

Instructions for safely connecting the power plug to the wall outlet.

5. OPERATION

CONTROL PANEL OPERATION

Explains usage of Power, Est. Time, Child Lock, Cycle Selector, Start/Pause, and Custom Program buttons.

DELAY WASH BUTTON

Details the function and delay range of the Delay Wash button.

STATUS INDICATOR

Explains the meaning of the status indicator lights during the wash cycle.

DOOR LOCKED LAMP

Describes when the door locked lamp is active and how to unlock the door.

WASH/RINSE SETTINGS

Details selecting water temp, spin speed, soil level, and adjusting beeper volume.

OPTION BUTTON FUNCTIONS

Explains options like Prewash, Rinse+Spin, Extra Rinse, Stain Cycle, Quick Cycle.

6. WIRING DIAGRAM/PROGRAM CHART

7. TROUBLESHOOTING

7-1. BEFORE PERFORMING SERVICE

Safety precautions and checks before starting any troubleshooting procedures.

7-2. QC TEST MODE

Detailed steps to enter and operate the Quality Control (QC) Test Mode.

7-3. WATER LEVEL FREQUENCY CHECK

Method to check water level frequency using specific button combinations.

7-4. ERROR DISPLAY

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

8. ERROR DIAGNOSIS AND CHECK LIST

8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION

Flowcharts guide users through diagnosing and resolving abnormal operation symptoms.

8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING

Provides structured diagnostic procedures and solutions for various operational faults.

VIBRATION & NOISE IN SPIN

Troubleshooting steps for addressing excessive vibration and noise during the spin cycle.

NO WATER SUPPLY TROUBLESHOOTING

Troubleshooting guide for issues related to the washing machine not receiving water.

DETERGENT DISPENSING ISSUES

Troubleshooting steps for problems where detergent is not flowing into the dispenser correctly.

HEATING WITHOUT WATER DIAGNOSIS

Diagnosis and solutions for heating problems occurring when no water is supplied.

WASH HEATER TROUBLESHOOTING

Troubleshooting steps for issues specifically related to the wash heater component.

EXCESSIVE HEATING TEMPERATURE

Addresses problems where the water temperature remains higher than the selected setting.

WATER CIRCULATION FAILURE

Troubleshooting guide for situations where the water circulation system is not functioning.

SPIN CYCLE TROUBLESHOOTING

Diagnostic steps for problems occurring during the washing machine's spin cycle.

GENERAL ERROR HANDLING

Troubleshooting for general error states, focusing on door latch and switch issues.

9. DISASSEMBLY INSTRUCTIONS

CONTROL PANEL ASSEMBLY DISASSEMBLY

Step-by-step guide for safely disassembling the washing machine's control panel.

MAIN PWB ASSEMBLY DISASSEMBLY

Instructions for disassembling the Main Printed Wiring Board (PWB) assembly.

DISPENSER ASSEMBLY DISASSEMBLY

Steps for disassembling the detergent dispenser assembly and its components.

NOISE FILTER DISASSEMBLY

Instructions for disassembling the noise filter component.

CABINET COVER REMOVAL

Detailed instructions for safely removing the washing machine's cabinet cover.

DOOR DISASSEMBLY

Steps for disassembling and removing the washing machine door.

DOOR LOCK SWITCH ASSEMBLY

Instructions for disassembling the door lock switch assembly.

PUMP ASSEMBLY DISASSEMBLY

Steps for disassembling the water pump assembly.

HEATER COMPONENT DISASSEMBLY

Instructions for disassembling the water heater component.

THERMISTOR REPLACEMENT

Steps for disassembling and removing the thermistor.

FOREIGN OBJECT REMOVAL

Guide for removing foreign objects lodged between the drum and tub.

BALL SENSOR ASSEMBLY

Instructions for disassembling the ball sensor assembly.

MOTOR/DAMPER ASSEMBLY

Steps for disassembling the motor and damper components.

10. EXPLODED VIEW

10-1. CABINET & CONTROL PANEL ASSEMBLY

Exploded view illustrating the cabinet and control panel assembly components.

10-2. DRUM & TUB ASSEMBLY

Exploded view illustrating the drum and tub assembly components.

10-3. DISPENSER ASSEMBLY

Exploded view illustrating the dispenser assembly components.

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