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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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Summarization of Contents

Features and Technical Explanation
Key Features Overview
Details key features like Direct Drive System, Water Circulation, Built-in Heater, Child Lock, Intelligent Wash System, Low noise speed control system, Safety device, Steam Washing and Refresh, and Automatic Wash Load Detection.
Fuzzy Logic Washing Time Determination
Explains how washing time is determined by sensing water temperature, selected temperature, and laundry amount using Fuzzy Logic.
Water Level Control System
Describes the water level control using a pressure sensor and how water supply is managed during the wash cycle.
Door Operation Restrictions
Details the conditions under which the washing machine door cannot be opened during operation.
Parts Identification
Included Accessories
Lists included accessories such as inlet hose and spanner.
Installation Guide
Standard Installation Procedures
Provides guidelines for standard installation, including removing transit bolts, ensuring a flat surface, and adjusting leveling feet.
Connecting the Inlet Hose
Instructions for correctly connecting the water inlet hose to prevent leaks.
Connecting the Drain Hose
Instructions for connecting the drain hose, emphasizing correct placement and avoiding submerging the end.
Connecting the Power Plug
Instructions for connecting the power plug and a caution against connecting multiple devices.
Operation Guide
Cycle Selector Usage
Instructions on how to use the Cycle Selector knob to choose wash cycles for different fabrics and soil levels.
Additional Program Features
Details on additional programs like Time Delay, Steam Wash, Intensive, and Medic Rinse.
Power Button Functionality
Explains the function of the Power button for turning the washer on and off.
Start and Pause Controls
Instructions on using the Start/Pause button to begin or stop the washing cycle.
Option Button Functions
Describes the usage of option buttons like Pre Wash, Soak, Crease Care, and Rinse + Spin.
LED Display Information
Explains the LED display for showing remaining time, error indications, and other operational information.
Spin Selector Knob
Instructions on how to use the Spin Selector knob to adjust spin speed options.
Tub Clean Function
Details on how to set and use the Tub Clean course to clean the inside of the washer.
Rinse and Temperature Settings
Explains how to select water temperature and rinse type using the Rinse and Temp. buttons.
Beep On/Off Control
Instructions on how to set the beep function on or off by holding Option and Rinse buttons.
Child Lock Activation
How to activate and deactivate the Child Lock feature to prevent unintended operation.
Wiring Diagram and Program Chart
Program Cycle Chart
A chart detailing washing cycles, water supply, intermittent spin, disentangle, and approximate working time for various programs.
Trouble Shooting - Initial Checks
Pre-Service Checking Precautions
Important precautions before performing service, focusing on electrical safety.
QC Test Mode Operation
Instructions for accessing and using the QC Test Mode for diagnostics.
Water Level Frequency Check
Method to check water level frequency by pressing specific buttons.
Error Display Codes
Error Code Meanings and Causes
Explains the meaning of error codes displayed on the machine and their causes.
Error Diagnosis and Check List
Abnormal Operation Diagnosis
Step-by-step guides for diagnosing and resolving common abnormal operations like 'No Power' and 'Water Inlet Trouble'.
Door Open / Program Error Troubleshooting
Troubleshooting steps for when the door does not open or an error is displayed during the program.
Drain Trouble Diagnosis
Troubleshooting steps for drain-related issues, checking the hose and filter.
Power Failure Troubleshooting
Troubleshooting steps for power failure errors.
Suds Overflow Troubleshooting
Troubleshooting for suds overflow, checking detergent type and amount.
Softener Dispensing Issues
Troubleshooting for issues related to the softener not dispensing correctly.
Fault Diagnosis and Trouble Shooting
No Power Fault Diagnosis
Detailed troubleshooting steps for 'No Power' issues, checking fuses and PWB connections.
No Water Supply Troubleshooting
Troubleshooting steps for 'No Water Supply', checking taps, filters, and inlet valves.
Detergent Flow Issues
Troubleshooting steps for when detergent is not dispensed correctly.
Softener Flow Issues
Troubleshooting steps for when softener is not dispensed correctly.
Abnormal Sound Troubleshooting
Troubleshooting steps for abnormal sounds, checking motor bolts and friction.
Heating Without Water Troubleshooting
Troubleshooting for heating issues when there's no water, checking pressure switch and voltage.
Drain Malfunctioning Diagnosis
Troubleshooting steps for drain malfunctions, checking the hose, impeller, and pump coil.
Wash Heater Trouble Diagnosis
Troubleshooting steps for wash heater issues, checking voltage and resistance.
Continuous Heating Troubleshooting
Troubleshooting for continuous heating issues, checking thermistor resistance and inlet hose connection.
Spin Trouble Diagnosis
Troubleshooting steps for spin problems, checking water level frequency, motor connectors, and resistance.
Drain Trouble Diagnosis (Secondary)
Troubleshooting steps for drain trouble, checking latch hook, door switch, and connectors.
Disassembly Instructions
Control Panel Disassembly
Step-by-step instructions for disassembling the control panel.
Display PWB Assembly Disassembly
Instructions for disassembling the display PWB assembly.
Main PWB Assembly Disassembly
Step-by-step instructions for disassembling the main PWB assembly.
Power PWB Assembly Disassembly
Step-by-step instructions for disassembling the power PWB assembly.
Dispenser Assembly Disassembly
Instructions for disassembling the dispenser assembly.
Inlet Valve Removal
Instructions for disconnecting and removing the inlet valve, including connector details.
Door Assembly Removal
Instructions for opening and removing the door assembly, including hinge screws.
Remained Water Removal Method
Method for removing residual water before servicing.
Cabinet Cover Disassembly
Step-by-step instructions for disassembling the cabinet cover.
Door Lock Switch Assembly Disassembly
Instructions for disassembling the door lock switch assembly.
TSG (Turbo Steam Generator) Removal
Instructions for removing the TSG housing and screw.
Rotor, Stator, and Friction Damper Disassembly
Instructions for disassembling the rotor, stator, and friction damper.
Pump Removal
Step-by-step instructions for removing the pump and its related components.
Heater Removal
Instructions for removing the washing heater, with a caution for reassembly.
Foreign Object Removal (Drum/Tub)
Procedure for removing foreign objects stuck between the drum and tub.
Safety Switch Assembly Disassembly
Instructions for disassembling the safety switch assembly.
Exploded View and Part List
Cabinet Assembly Exploded View
An exploded view and part list for the cabinet assembly.
Control Panel & Dispenser Exploded View
An exploded view of the control panel and dispenser assembly.
Drum & Tub Assembly Exploded View
An exploded view of the drum and tub assembly.

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