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LG F1403FD(5) Service Manual

Front-loading washing machine
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WASHING MACHINE

SERVICE MANUAL

CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : F1403FD(5), F1203FD(5)

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  Summary of Contents for LG F1403FD(5)

  • Page 1: Washing Machine

    WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE. MODEL : F1403FD(5), F1203FD(5)
  • Page 2 Jul. 2006 PRINTED IN KOREA P/No.: MFL30574733...
  • Page 3: Table Of Contents

    CONTENTS 1. SPECIFICATION..........................3 2. FEATURES & TECHNICAL EXPLANATION ................4 3. PARTS IDENTIFICATION ......................6 4. INSTALLATION ..........................7 5. OPERATION ..........................10 6. WIRING DIAGRAM / PROGRAM CHART ...................12 7. TROUBLE SHOOTING........................13 7-1.BEFORE SVC CHECKING ....................13 7-2.QC TEST MODE........................13 7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY............13 7-4.HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION..13 7-5.ERROR DISPLAY ........................14 8.
  • Page 4: Specification

    1. SPECIFICATION ITEM F1403FD(5), F1203FD(5) POWER SUPPLY 220V-240V~, 50Hz PRODUCT WEIGHT 64kg WASHING 140W SPIN 440W ELECTRICITY DRAIN MOTOR CONSUMPTION WASH HEATER 2000W WASH 50rpm SPIN F1403FD(5) No Spin/400/600/800/1000/1200/1400 F1203FD(5) No Spin/400/600/800/1000/1100/1200 REVOLUTION SPEED OPERATION WATER PRESSURE 0.3-10kgf/cm (30-1000kPa) CONTROL TYPE Electronic WASH CAPACITY Refer to the Rating Label...
  • Page 5: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1.FEATURES Direct Drive System The advanced Brushless DC motor directly drives the drum without belt and pulley. Water Circulation Spray detergent solution and water over the load over continu. Clothes are soaked more quickly and thoroughly during wash cycle. The detergent suds can be removed more easily by the water shower during rinse cycle.
  • Page 6: Water Level Control

    2-2.DETERMINE WASHING TIME BY FUZZY LOGIC To get the best washing performance optimal time is determined by sensing of water temperature, selected washing temperature and laundry amount. water temperature washing time the best selected FUZZY washing washing rinsing time temperature LOGIC performance spin rhythm, time...
  • Page 7: Parts Identification

    3. PARTS IDENTIFICATION Drawer ACCESSORIES Inlet hose(1EA) Option : Hot/Cold(2EA) Spanner...
  • Page 8: Installation

    4. INSTALLATION Before servicing ask the customer what the trouble is. Check the adjustment(power supply is 220-240V~, remove the transit bolts..) Check the troubles referring to the trouble shooting. Decide service steps referring to disassembly instructions. And then, service and repair. After servicing, operate the appliance to see whether it works O K or NOT.
  • Page 9 HOW TO CONNECT INLET HOSE Check that the rubber packing is inside of the valve connector. Connect the inlet hose firmly to prevent leak. CONNECT DRAIN HOSE Make sure that the hose is not twisted. Avoid submerging the end of the hose. The drain hose should be placed under 100cm from the floor.
  • Page 10: Test Operation

    TEST OPERATION Preparation Press the POWER button. Press the Start/Pause button. washing. Connect the power plug to the outlet. In case of Coloreds program. Connect the inlet hose. Check the water heating. Check automatic reverse Check the water supply. turn. Press the Rinse+Medic Rinse Check if the drum rotates Check if water is supplied...
  • Page 11: Operation

    5. OPERATION Cycle Selector Additional programs • Rotate the Cycle selector • Time Delay : Allows the start of any cycle to be delayed knob to select the cycle for 3~19 hours. designed for different • Favorite : Favorite program allows you to store a types of fabric and soil customized operation for next use.
  • Page 12: Led Display

    LED display Spin Selector knob Display the estimated remaining time (Hour : Minute) to finish. • To change the spin speed, turn the In case of abnormal operation, error indications are Spin knob to cycle through available displayed. options. See troubleshooting guide. Tub Clean •...
  • Page 13: Wiring Diagram / Program Chart

    6. WIRING DIAGRAM PROGRAM CHART ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ”— ”—...
  • Page 14: Trouble Shooting

    7. TROUBLE SHOOTING 7-1.BEFORE SVC CHECKING Be careful of electric shock or disconnecting the parts while trouble shooting. Voltage of each terminal in 220-240V~ and DC while applying an electric current. 7-2.QC TEST MODE. Pressing Option(Left) and Rinse button simultaneously. Press the Power button, while the above condition.
  • Page 15: 7-5.Error Display

    7-5.ERROR DISPLAY. If you press the Start/Pause button in error condition, any error except ‘ ’ will disappear and the machine will change into pause status. In case of if the error is not resolved within 20 sec., and in case of other errors, if the error is not resolved within 4 min., power will be turned off automatically and the error only will be blinked.
  • Page 16 ERROR SYMPTOM CAUSE LOCKED • The connector in the LEAD WIRE ASSEMBLY is not connected to MOTOR the connnector of STATOR ASSEMBLY ERROR Reconnect or repair the connector • The hall sensor is out of order/defective. Replace the STATOR ASSEMBLY •...
  • Page 17: Error Diagnosis And Check List

    8. ERROR DIAGNOSIS AND CHECK LIST 8-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION SYMPTOM GUIDE FOR SERVICE CALL NO POWER Is the power plug connected firmly to 220-240V~ outlet? Power failure? or Breaker opened? Visit to check WATER INLET TROUBLE Is " "...
  • Page 18 SYMPTOM GUIDE FOR SERVICE CALL Started with door opened? Close the door Visit to check Check if the door switch is O K. Is " " displayed? Is the debris filter clogged with foreign Clean up material such as pin, coin and etc.? the filter.
  • Page 19 SYMPTOM GUIDE FOR SERVICE CALL Suds overflow from the Is low-sudsing detergent for the drum appliance. washing machine used? (In this condition, wash and spin do not operate LOW-SUDSING normally) Is the proper amount of detergent used as recommended? Recommend to reduce the using amount of detergent.
  • Page 20: Fault Diagnosis And Trouble Shooting

    8-2.FAULT DIAGNOSIS AND TROUBLE SHOOTING CAUTION 1. Be careful of electric shock or disconnecting the parts while trouble shooting. 2. First of all, check the connection of each part terminal with wiring diagram. 3. If you replace the PWB ASSEMBLY, Put in the connectors correctly. NO POWER When measuring the voltage of the outlet, Check the fuse?
  • Page 21: No Water Supply

    NO WATER SUPPLY Is water supply shut-off? Is the tap opened? Open the tap. Check the AIR CHAMBER When you press both Intensive button and and the tube clogged Option(Left) button simultaneously, is the water level frequency below 240? with impurity. Is the inlet valve filter clogged with impurity? Clean the filter.
  • Page 22 S O F T E N E R D O E S N O T F L O W I N Refer to Is water supplied? NO WATER SUPPLY Check the wiring on the Are receptacles correctly connected to the terminals dispenser.
  • Page 23: Heating Without Water

    HEATING WITHOUT WATER When pressing Intensive and Option(Left) at the same time after draining, is the water level frequency Replace the 248 ~ 262 or more? S.PRESSURE SWITCH When pressing Rinse and Temp. buttons at the ASSEMBLY same time while wash, is the water level frequency between 230 - 243? Checking voltage between two pins (Connector Replace the POWER...
  • Page 24 WH/RD BLUE HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE Option(Left) and Temp. button simultaneously temperature? (Refer to the 7-2 QC Test Mode)
  • Page 25 S P I N T R O U B L E Check the S.PRESSURE SWITCH Check on the spinning, is the frequency of the ASSEMBLY or HOSE (Pressure). water level 248 or more. The frequency can be If the problem is on the checked by pressing the Intensive and Option(Left) S.PRESSURE SWITCH buttons at the same time on the program.
  • Page 26: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS Disassemble and repair the parts after pulling out power cord from the outlet. CONTROL PANEL PLATE ASSEMBLY(TOP) Unscrew the screws on the top plate. The plate assembly(Top) is pulled back and then upward to arrow direction. The cover(Inner) is disassembled. Pull out the drawer and unscrew 2 screws.
  • Page 27 PWB ASSEMBLY(MAIN) The back cover is removed. One screw is unscrewed. Pull the PWB assembly(Main) to arrow direction Two screws is unscrewed. The cover of PWB assembly(Main) is removed. Disconnect connector from the wiring. PWB ASSEMBLY(POWER) The plate assembly(Top) disassembled. The cover of PWB assembly(Power) is removed.
  • Page 28 INLET VALVE Disconnect the wiring connector. Remove the valve by two screws of the valve holder. When reconnecting the connector VALVE (PRE-WASH) WHITE/BLACK-BLACK VALVE (NORMAL-WASH) GRAY/BLACK VALVE (HOT) BLACK/WHITE DOOR Open the door completely. Remove the three screws from the hinge. When removing the Door Assembly, it is necessary to hold the Bracket that is inner of the Cabinet Cover.
  • Page 29 The plate assembly(Top) is disassembled. Pull out the drawer and unscrew 2 screws. Lift the side the Control Panel Assembly and pull it out Two screws is unscrewed. Push out PANEL ASSEMBLY,CONTROL after Push the hook( ) below. PANEL ASSEMBLY, CONTROL Unscrew the screws from the lower cover.
  • Page 30 Lift and separate the cabinet cover. NOTE: When assembling the CABINET COVER, connect the Door S/W connector. SWITCH ASSY, DOOR LOCK The cabinet cover clamp is removed and the gasket is released. Two screws are unscrewed. The Door Lock S/W is disconnected form the wiring connector and the strap.
  • Page 31 ROTOR ASSEMBLY, STATOR ASSEMBLY, FRICTION DAMPER Remove the back cover. Rotor After loosening the bolt, Rotor, pull out the rotor. Bolt (ROTOR ASSEMBLY) Remove the 6 bolt from the stator. Disconnect the 2 connectors. (STATOR ASSEMBLY) Remove the hinges (Damper) at the Tub. HOW TO ASSEMBLE THE MOTOR The Hinge(Damper) at the base is pulled off Hinge...
  • Page 32 PUMP Remove pump outlet hose. Remove tub pump bellows. Remove cap(Remaining Hose). Disconnect the wiring. Three screws are unscrewed from the cabinet. Remove the pump to arrow direction. HEATER Loosen the nut. Remove washing heater by pulling out. Washing Heater Wire Color: Wire Color:Red Yellow...
  • Page 33 WHEN FOREIGN OBJECT STUCK BETWEEN DRUM AND TUB Remove washing heater. Remove the foreign object(wire,coin,etc) by inserting long bar in the hole. SWITCH ASSEMBLY, SAFETY Unscrew 4 screws from the back cover. Disconnect the wiring connector. First, Press hook and turn the safety switch assembly switch assembly safety.
  • Page 34: Exploded View And Parts List

    10. EXPLODED VIEW AND PART LIST 10-1.THE PART LIST OF CABINET ASSEMBLY A154 A140 A110 A102 A153 A103 A104 A152 A151 A150 A101 A141 A131 A100 A430 A130 A440 A134 A410 A240 A135 A455 A300 A133 A310 A450 A303 A200 A201 A220 A276...
  • Page 35: The Exploded View Of Control Panel And Dispenser Assembly

    10-2 THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY F300 F324 F321 F462 F170 F160 F432 F225 F430 F220 F441 F120 F215 F110 F216 F210...
  • Page 36: The Exploded View Of Drum And Tub Assembly

    10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY K351 K350 K360 K143 K123 F140 K411 K121 K122 K410 K125 F320 K320 K111 F310 F466 K110 K141 F464 K140 K105 K410 K115 K130 K135 K610 K510 K611 K530 K560 K512 K131 F468 K340...

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