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LG WM2140C* User Manual

LG WM2140C*
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WASHING MACHINE
SERVICE MANUAL
MODEL : WM2140C*
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
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LG WM2140C* Specifications

General IconGeneral
TypeFront Load Washer
ColorWhite
Steam WasherYes
StackableYes
Energy StarYes
Energy Star CertifiedYes
Wash Cycles10
Spin Speed (RPM)1200
Width27 in

Summary

Specifications

Features & Technical Explanation

Features

Details key features like Direct Drive System, Tilted Drum, Time-Released Dispenser, Load Detection, and Child Lock.

Neuro Fuzzy Washing Time Optimization

Explains how water temperature, selected temp, and load size determine optimal washing time.

Water Level Control

Details the pressure sensor for stopping water supply and controlling spin based on water level.

Door Control

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

The Door Can Not Be Opened

Explains conditions under which the washing machine door cannot be opened.

Door Locked Lamp Lights

Details the conditions that cause the door locked lamp to illuminate.

Child Lock

Explains how to use and activate the Child Lock function for safety.

Parts Identification

Accessories

Lists and illustrates included accessories such as hoses, wrench, tie strap, and caps.

Installation & Test

Standard Installation

Details the steps for standard installation, including removing shipping bolts, placing on a flat surface, and leveling.

How to Connect the Inlet Hose

Provides instructions for securely connecting the water inlet hose.

Connect the Drain Hose

Gives guidance on connecting the drain hose correctly, avoiding twists and submersion.

Connect Power Plug

Explains how to connect the power plug to the outlet and avoid overloading.

Test Operation

Outlines the step-by-step procedure for testing the washer's functions after installation.

Operation

Key Control Buttons

Explains operation of essential controls like Power, Start/Pause, Option, and Cycle Selector.

Cycle Features and Indicators

Details cycle options like Delay Wash, Water Plus, Extra Rinse, and the Door Locked Lamp.

Settings Adjustment

Guides on adjusting wash parameters: temperature, spin speed, soil level, and beep volume.

Wiring Diagram/Program Chart

Wiring Diagram

Illustrates the electrical connections and layout of the washing machine components.

Program Chart

Provides a detailed chart of wash cycles, stages, and approximate working times.

Before Performing Service

QC Test Mode

Details the procedure to enter and use the Quality Control (QC) test mode for diagnostics.

How to Check the Water Level Frequency

Explains how to check water level frequency using specific button combinations.

Error Display

Lists common error codes, their symptoms, and potential causes for the washing machine.

Error Diagnosis and Check List

Diagnosis and Solution for Abnormal Operation

Provides a diagnostic flow chart for common abnormal operations like no power or water inlet issues.

Fault Diagnosis and Troubleshooting

Details troubleshooting steps for 'No Power' issues, involving voltage checks and component inspection.

Vibration & Noise in Spin

Regulating Spin Speed for Noise

Provides steps to adjust spin speed to mitigate excessive vibration and noise during operation.

Disassembly Instructions

Control Panel Assembly

Details the steps for disassembling the control panel and its components.

Main PWB Assembly

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

Dispenser Assembly

Details the procedure for disassembling the detergent dispenser unit.

Noise Filter

Explains how to disassemble the noise filter component.

Cabinet Cover

Provides instructions for disassembling the outer cabinet cover of the washing machine.

Door

Details the steps for disassembling the washing machine door and its related parts.

Door Lock Switch Assembly

Explains how to disassemble and replace the door lock switch assembly.

Pump

Provides instructions for disassembling and removing the drain pump assembly.

Thermistor

Details the procedure for disassembling and accessing the thermistor component.

Motor/Damper

Explains how to disassemble and service the motor and damper components.

Exploded View

Cabinet & Control Panel Assembly

Illustrates the exploded view of the cabinet and control panel assembly parts.

Drum & Tub Assembly

Shows the exploded view of the drum and tub assembly components.

Dispenser Assembly

Presents the exploded view of the detergent dispenser assembly parts.

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