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WASHING MACHINE
SERVICE MANUAL
CAUTION
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

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Table of Contents
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Summarization of Contents

Features and Technical Explanation
Key Features
Overview of advanced features like Direct Drive, Water Circulation, and Child Lock.
Fuzzy Logic Operation
Explains how fuzzy logic determines washing time based on load and temperature.
Water Level and Door Lock
Details water level sensing and conditions under which the door cannot be opened.
Parts Identification
Main Components
Identifies key external parts of the washing machine like the drum, door, and control panel.
Included Accessories
Lists essential accessories provided with the washing machine, such as inlet hoses and spanner.
Installation Guide
Standard Installation Procedure
Step-by-step instructions for proper installation, including transit bolt removal and leveling.
Washing Machine Operation
Cycle Selector and Programs
How to select wash cycles and use additional programs like Time Delay and Steam Wash.
Control Panel Functions
Explanation of buttons like Power, Start/Pause, Option, and their functions.
Display and Selector Knobs
Details on LED display, Spin Selector knob, Tub Clean, Rinse/Temp buttons, and Beep on/off.
Child Lock Feature
Instructions on how to activate and deactivate the child lock to prevent unintended use.
Wiring Diagram and Program Chart
Program Chart Details
Table outlining cycle steps, water supply, spin, and approximate working times for various wash programs.
Troubleshooting Guide
Pre-Service Checks
Essential checks and precautions before performing service to avoid hazards.
QC Test Mode
Procedure to enter QC Test Mode and interpret display status for diagnostics.
Water Level Frequency
Method to check water level frequency using specific button combinations for diagnostics.
Error Display Codes
List of error codes, their symptoms, and likely causes for quick diagnosis.
Error Diagnosis and Troubleshooting
Abnormality Diagnosis Flowcharts
Step-by-step diagnostic flowcharts for common issues like no power, water inlet, door, and drain problems.
Fault Diagnosis and Troubleshooting
Detailed fault diagnosis for electrical issues like no power, no water supply, and detergent flow problems.
Specific Fault Symptoms
Troubleshooting for softener issues, abnormal sounds, and detergent/softener flow problems.
Heating and Drain Malfunctions
Diagnosis and repair steps for heating system faults and drain malfunctions.
Spin and Door Lock Issues
Troubleshooting guides for spin problems and drain issues related to the door lock.
Disassembly Instructions
Control Panel Assembly Disassembly
Step-by-step guide to disassemble the control panel and its associated parts.
PWB and Dispenser Assembly Removal
Instructions for removing the Main PWB, Power PWB, and Dispenser assemblies.
Inlet Valve and Door Removal
Procedures for disassembling the inlet valve and the door assembly.
Cabinet Cover and Door Lock Switch Disassembly
Steps to remove the cabinet cover and the door lock switch assembly.
Turbo Steam Generator (TSG) Removal
Guide for removing the TSG unit, including its housing and screw.
Motor and Damper Assembly Removal
Steps for disassembling the rotor, stator, and friction damper assemblies.
Pump and Heater Removal
Instructions for removing the water pump and the washing heater.
Foreign Object Removal and Safety Switch
Method to clear foreign objects and disassemble the safety switch.
Exploded Views and Parts List
Cabinet Assembly Exploded View
Detailed exploded view of the washing machine cabinet and its components.
Control Panel & Dispenser Exploded View
Exploded diagram of the control panel and dispenser assembly with part references.
Drum and Tub Assembly Exploded View
Exploded view illustrating the drum, tub, and related internal components for service.

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