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LG F1403TD Series - User Manual

LG F1403TD Series
36 pages
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WASHING MACHINE
SERVICE MANUAL
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : F1403TD(1~9), F1203TD(1~9), F1003TD(1~9)
WF-7802STD, WF-7803STD
CAUTION
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LG F1403TD Series Specifications

General IconGeneral
Washing Capacity8 kg
Maximum Spin Speed1400 RPM
Energy Efficiency ClassA+++
Noise Level Washing54 dB
Capacity8 kg
Energy RatingA+++
Dimensions (WxDxH)600 x 550 x 850 mm
Weight62 kg
ColorWhite
Inverter MotorYes
Smart FunctionNo
TypeFront Load Washer
Load TypeFront
Water Consumption56 liters

Summary

Washing Machine Specifications

Washing Machine Features and Technical Explanation

2-1. Features

Details key features: Direct Drive, Water Circulation, Built-in Heater, Child Lock, Intelligent Wash System, Low noise, Aqua lock, Steam Wash, Auto Load Detection.

2-2. Wash Time Determination by Fuzzy Logic

Explains how washing time is determined by sensing water temperature, selected temperature, and laundry amount using Fuzzy Logic.

2-3. Water Level Control System

Describes the water level control system using a pressure sensor and how water supply is managed.

2-4. Door Opening Restrictions

Specifies conditions when the washing machine door cannot be opened (during operation or when Door Lock light is on).

Parts Identification

Installation Guide

How to Connect Inlet Hose

Instructions on how to connect the inlet hose, checking for leaks and rubber packing.

Connecting the Drain Hose

Guidance on connecting the drain hose, ensuring it's not twisted and avoiding submerging the end.

Power Plug Connection

Instructions for connecting the power plug to the wall outlet and avoiding overloading circuits.

Test Operation Procedure

Washing Machine Operation Overview

Cycle Selection

Details on rotating the Cycle selector knob to choose cycles for different fabrics and soil levels.

Power Button Function

Instructions on using the Power button to turn the washer On/Off.

Start;Pause Button Usage

Instructions on using the Start/Pause button to start or stop the washer.

Option Button Functions

Explains the use of option buttons like Pre Wash, Soak, Crease Care, and Rinse + Spin.

Additional Programs Explanation

Describes additional programs like Time Delay, Steam Wash, Intensive, and Medic Rinse.

LED Display Information

Explains the LED display for estimated time, error indications, and troubleshooting references.

Spin Selector Knob Operation

How to change spin speed using the Spin knob to select available options.

Tub Clean Cycle

How to set the Tub Clean course and its purpose for cleaning the washer's interior.

Rinse and Temperature Selection

How to select water temperature and rinse type using the Rinse and Temp. buttons.

Beep On;Off Setting

How to set the Beep on/off function by pressing and holding Option and Rinse buttons.

Child Lock Activation

Instructions to prevent unwanted use by pressing and holding Crease Care and Medic Rinse buttons to lock/unlock.

Washing Machine Wiring Diagram and Program Chart

Troubleshooting Basics

7-1. Pre-Service Checks

Precautions regarding electric shock and checking voltages before servicing.

7-2. QC Test Mode Operation

Detailed procedure for entering and using the QC Test Mode, including check points and display status.

7-4. Water Level Frequency Check

Method to check water level frequency by pressing Intensive and Option buttons simultaneously.

7-5. Error Code Display

Lists common error codes (IE, DE, FE, PE, UE, LE, AE, PF) with their symptoms and causes.

Error Diagnosis and Checklist

8-1. Abnormal Operation Diagnosis

Troubleshooting guide for abnormal operations like 'NO POWER' and 'WATER INLET TROUBLE', with step-by-step checks.

Door Opening and Error Display Troubleshooting

Troubleshooting for door not opening or error displayed, including checks for door switch and opening status.

Drain Function Troubleshooting

Troubleshooting for drain issues, checking debris filter, drain hose condition, and error display 'DE'.

Power Failure Diagnosis

Guidance for 'POWER FAILURE' symptom, suggesting to restart the cycle.

Suds Overflow Troubleshooting

Troubleshooting for suds overflow, checking detergent type and amount, and the appliance's suds sensing function.

Softener Effect Troubleshooting

Troubleshooting for softener issues, checking compartment, drawer closure, and softener cap clogging.

Fault Diagnosis and Troubleshooting

No Power Fault Diagnosis

Detailed fault diagnosis for 'NO POWER', involving checks on outlet voltage, fuse, LED status, and connector/wire connections.

No Water Supply Troubleshooting

Troubleshooting for 'NO WATER SUPPLY', including checks on tap, water level frequency, inlet valve filter, and valve resistance.

Detergent Delivery Fault Diagnosis

Diagnosis for 'DETERGENT DOES NOT FLOW IN', covering water supply, receptacle connection, and detergent placement/condition.

Softener Delivery Fault Diagnosis

Troubleshooting for 'SOFTENER DOES NOT FLOW IN', checking water supply, receptacle connection, and softener placement/clogging.

Abnormal Sound Diagnosis

Diagnosis for 'ABNORMAL SOUND', involving checks on motor bolt tightness and friction noise from the motor.

Heating Without Water Diagnosis

Troubleshooting for 'HEATING WITHOUT WATER', checking water level frequency and voltage to the heating components.

Drain Malfunctioning Diagnosis

Diagnosis for 'DRAIN MALFUNCTIONING', including checks on drain hose, pump impeller, connectors, and drain pump coil resistance.

Wash Heater Operational Issues

Troubleshooting for 'WASH HEATER TROUBLE', checking voltage, resistance of wire connectors, and heater assembly.

Overheating Diagnosis

Diagnosis for continuous heating above set temperature, checking temperature display and thermistor resistance.

Spin Cycle Malfunctions

Troubleshooting for spin issues, checking water level frequency, motor connectors, and resistance.

Drain System Malfunctions

Troubleshooting for drain trouble, checking latch hook spring, door switch assembly, and clicking sounds.

Disassembly Instructions

Control Panel Disassembly

Step-by-step instructions for disassembling the control panel, including top plate, drawer panel, and main control panel.

Display PWB Assembly Disassembly

Instructions for disassembling the PWB assembly (Display) from the PWB insulator.

Main PWB Assembly Disassembly

Instructions for disassembling the PWB assembly (Main), including back cover, connectors, and wiring.

Power PWB Assembly Disassembly

Steps to disassemble the PWB assembly (Power), covering top plate, cover removal, and connector disconnection.

Dispenser Assembly Disassembly

Instructions for disassembling the dispenser assembly, including top plate, drawer, and hose clamps.

Inlet Valve Assembly Removal

Procedure for disconnecting the wiring connector and removing the inlet valve using screws. Includes connector color coding.

Door Assembly Removal

Steps to open the door completely and remove it by unscrewing hinges, noting the need to hold the bracket.

Removing Residual Water

Method for removing residual water by pulling out the hose and preparing a bucket.

Cabinet Cover Disassembly

Instructions for disassembling the cabinet cover, including top plate, drawer, control panel, lower cover, and screws.

Cabinet Cover Separation

Instructions on lifting and separating the cabinet cover, with a note on connecting the Door S/W connector during reassembly.

Door Lock Switch Assembly Disassembly

Steps to remove cabinet cover clamp, release gasket, unscrew, and disconnect the Door Lock S/W wiring.

TSG and Motor Assembly Disassembly

TSG (Turbo Steam Generator) Removal

Steps to remove the TSG housing, connectors, hoses, earth screw, and the TSG screw itself.

Rotor, Stator, and Friction Damper Removal

Instructions for removing the back cover, rotor, stator bolts, connectors, and friction damper hinges.

Pump Assembly Removal

Steps for removing the pump, including outlet hose, bellows, cap, wiring, screws, and the pump itself.

Heater Assembly Removal

Instructions for removing the washing heater by loosening the nut and pulling it out, with a caution for reassembly.

Foreign Object Removal from Drum

Procedure to remove washing heater and foreign objects stuck between the drum and tub using a long bar.

Safety Switch Assembly Disassembly

Steps to unscrew the back cover, disconnect wiring, and turn the safety switch assembly.

Exploded Views and Part Lists

10-1. Cabinet Assembly Exploded View

Exploded view and part list for the cabinet assembly, showing various components labeled with part numbers.

10-2. Control Panel & Dispenser Assembly Exploded View

Exploded view of the control panel and dispenser assembly, detailing individual components with part numbers.

10-3. Drum & Tub Assembly Exploded View

Exploded view of the drum and tub assembly, showing components like the drum, tub, motor, suspension, and heating elements with part numbers.

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