WASHING MACHINE SERVICE MANUAL - Service
Contents
1. G website http www LGEservice com e mail http LGEservice com techsup html WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE MODEL F1 ND 1 9 FEB 2007 PRINTED IN KOREA P No MFL30574737 CONTENTS LEES e 08 LE 3 2 FEATURES amp TECHNICAL EXPLANATION eege 4 SFAR DENTRICATION EE 6 AIN TARA Re E 7 OPERATII 10 e WIRING DIAGRAM PROGRAM CHAR WEE 14 IROD EA 15 fele DEFORE CERVICE E 15 Ts TE OT MODE Ee 15 7 3 HOW TO KNOW THE WATER LEVEL FREQUENCY E 15 7 4 ES RR E 16 8 ERROR DIAGNOSIS AND CHECK LIST EE 17 8 1 DIAGNOSIS AND ANSWER FOR ABNORMAL 17 8 2 FAULT DIAGNOSIS AND TROUBLESHOOTING EE 20 9 DISASSEMBLY INSTRUC der LE 26 1 SPECIFICATION ITEM F1 ND 1 9 POWER SUPPLY 220 240V 50Hz PRODUCT WEIGHT 2680 WASHING 135W CONSUMPTION DRAIN MOTOR WASH HEATER 2000W REVOLUTION 50rpm 600mm W x440mm D x850mm H 2 FEATURES 8 TECHNICAL EXPLANATION 2 1 FEATURES m Anti Crease function With the alternate rotation of the drum creasing in the laundry is minimized u More economical by Fuzzy Logic System FUZZY Logic System detects the amount of load and water temperature and then determines the optimum water level and washing time to minimize energy and water consumption2. Visit to check 17 GUIDE FOR SERVICE CALL DOOR DOES OPEN Did you press the Start Pause button Close the door YES Refer to when the door is open 7 4 ERROR DISPLAY Visit to check Check if the door switch is O K o Trouble Is LU E displayed 15 the debris filter clogged with foreign Clean up material such as pins coins etc the filter 15 the drain hose frozen with water kinked or crushed Visit to check 18 GUIDE FOR SERVICE CALL Suds overflow from the appliance In this condition wash and spin do not operate normally o No effect of softener Is low sudsing detergent for the durm washing machine used 15 the proper amount of detergent used LOW SUDSING as recommended DETERGENT Recommend to reduce the amount of detergent This appliance has the automatic suds sensing function which operates under much suds condition for good rinse and preventing overflow When much suds are sensed the suds removing function such as drain water input and pause will operate without rotating the drum Is softener put in the correct Compartment for compartment of drawer softener Is the drawer closed during wash Is the softener cap clogged YES Explain how to use softener Clean the compartment for softener Visit to check 19 8 2 FAULT DIAGNOSIS AND TROUBLESHOOTING 1 Be careful of electric shock or
3. m Child Lock The Child Lock system has been developed to prevent children from pressing any button except Power button to change the programme during operation m ow noise speed control system By sensing the amount of load and balance this system automatically distributes load evenly to minimize the spinning noise level Direct Drive System The advanced Brushless DC motor rotates the drum directly without a belt and a pulley Built in heater Internal heater automatically heats the water to the best temperature on selected cycles 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 selected the best washing rinse time washing temperature performance spin rhythm time laundry amount SENSING PROCESSING DETERMINATION EFFECT 2 3 WATER LEVEL CONTROL 1115 model adopts a pressure sensor which can sense the water level in the tub When the water level reaches to the preset level the water supply is stopped then the washing program proceeds Spinning does not proceed until the water in the tub reduces a certain level 2 4 THE DOOR CAN NOT BE OPENED e While program is operating e While Door Lock light turns on 3 PARTS IDENTIFICATION Power Plug e f the supply cord is damaged it must be replaced by the manufact
4. VALVE 1 MAIN White Black Black VALVE 2 PRE Gray White Black VALVE 3 HOT Blue Red Black U Open the lower cover cap by using coin and pull out the lower cover to the arrow direction after a Screw is unscrewed 1 Open the door completely 2 Remove the two screws from the hinge When removing the door assembly it is necessary to hold the bracket that is inner of the cabinet cover 28 GASKET ASSEMBLY Take apart the cabinet gasket clamp Unscrew 2 screws from the cabinet cover Open the lower cover cap and unscrew 1 screw inside GS GOO Take apart the lower cover Disassemble the control panel page 18 3 Unscrew all the screws on the upper and lower sides of the cabinet cover 1 Take apart the tub gasket clamp 2 Make sure that the drain hole of the gasket is put beneath when reassembling the gasket Refer to the arrow mark on the tub cover 29 ROTOR ASSEMBLY STATOR ASSEMBLY FRICTION DAMPER ASSEMBLY 1 Remove the BACK COVER 2 Unscrew the bolt to pull out the ROTOR assembly 1 Disconnect the wiring connector 2 Unscrew 6 bolts from the STATOR 3 Remove the STATOR Note Hook of connector 1 is on the backside Pull out the hinge pressing its snap A Do not use the pulled out hinge again It may be taken off during operation DAMPER M Clean the draim pump filter Open the
5. disconnecting the parts while troubleshooting 2 First of all check the connection of each part terminal with wiring diagram 3 If you replace the PWB assembly Main put in the connectors correctly NO POWER When measuring the voltage of the outlet is the voltage AC 220 240V Check the fuse When measuring the voltage of Yellow BN Black BL connector of the NO PWB assy is the voltage AC 220 240V Check the harness Assembly PWB ASSEMBLY gt YES ALL BUTTONS ARE INOPERABLE Cancle the Child Lock Is Child Lock set First unplug the power cord and plug again Normal Check the buttons are working Visit to check 20 WATER SUPPLY Is the water supply shut off Open the tap 15 the opened Check the chamber Air and the tube clogged Water level frequency below 240 with impurity Is the inlet valve filter clogged with impurity Clean the filter Is resistance of the inlet valve connector between the 2 to 8 Replace the inlet valve Check the voltage between each terminals of inlet Valve is 220 240V Refer to 7 2 TEST MODE NO PWB assembly Check the wiring on the Are receptacles correctly connected to dispenser the terminals of inlet valve Put the detergent in the correct position PRE MAIN el 9 SOFTENER Is detergent put i
6. sensor pressure switch is out of order O The Start Pause button is pressed with the door open O The door switch is out of order HEATING 7 O The thermistor is out of order PWB ASSEMBLY Main is out of order CURRENT is Replace the PWB assembly Main ERROR o Winding in the MOTOR is short circuited is Replace the MOTOR The Connector 3 pin male white in the wire harness is not connected to the Connector 3 pin female white of MOTOR is Reconnect or repair the connector The electric contact between the connectors 3 pin EE male white in wire harness and 6 pin female white in the PWB ASSEMBLY is bad or unstable is Reconnect or repair the contact in the connector The wire harness between the MOTOR and PWB ASSEMBLY Main is cut open circuited The hall sensor is out of order defective 16 IMBALANCE ERROR DRAIN ERROR 4 OVERFLOW ERROR SENSOR PRESSURE 2 S W ERROR DOOR OPEN ERROR 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 Is the outlet controlled by a switch Visit to check Water inlet trouble Is the tap opened Is the tap frozen Is the water supply shut off Clean the filter of Is filter in the inlet valve inlet valve clogged with foreign material
7. the connector Red 3pin 3 National 4pin 4 Is it disconnected or disassembled White 3pin CO White 4pin YES Correct the connector Check the motor connector Is the resistance of the terminal same as the figure Heplace the STATOR MOTOR TERMINAL 1 assembly Resistance of terminal 3 2 G 1 About 5 0 10 Q the PWB assembly 25 9 DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine out of the outlet before disassembling and repairing the parts CONTROL PANEL PLATE ASSEMBLY TOP 1 Unscrew 2 screws on the back of the top plate 2 Pull the top plate backward and upward as shown 1 Disconnect the PWB assembly connector from Main lead wire assembly 2 Pull out the drawer and unscrew 2 screws 3 Push upper hooks down on the top and pull the control panel PANEL ASSEMBLY CONTROL 1 Disconnect the PWB assembly Main amp Display from control panel by unscrewing 7 screws 26 DISPENSER ASSEMBLY 1 Disassemble the top plate assembly 2 Pull out the drawer to arrow direction 3 Unscrew 2 screws 1 The hose clamps and the hose are disassembled 1 The ventilation bellows and the water inlet bellows are disassembled on the tub gt ee ZY 27 INLET VALVE 1 Disconnect the wiring receptacle 2 Unscrew 2 screws from the back When reconnecting the connector
8. 32 10 VIEW 10 1 EXPLODED VIEW CABINET ASSEMBLY 39 10 21HE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY 40 10 3 THE EXPLODED VIEW OF DRUM amp TUB ASSEMBLY 2 Tr o d K550
9. about 24 ocen da RAN 23155 822 a KS TG booozd oooowi pooookoooooboooo obi Baby Care af fff el About 2 24 lt 2 14 gt 5 Basic Cycle i Optional Cycle Pre Setting Time Water Supply 120 sec Basic time is minute in washing chart Drain 60 sec The actual program time can be varied with the load amount Time for varies as the temperature or the amount of laundry water temperature or ambient temperature Medic Rinse Function that offers more purity in rinse of feracion by maintaining the optimum temperature for elimination of remnant detergent It can be selected in all courses with the exception of Quick 30 Hand wash Wool Delicate course Intensive If the laundry is heavily soiled Intensive option is effective By selecting the Intensive option the wash time may be extended depending on the program selected Rinse If you wish to rinse more the Rinse option will remove any trace of detergents Pre Wash If the laundry is heavily soiled Pre Wash course is effective Pre Wash is available in Cotton and Synthetic Program 14 7 TROUBLESHOOTING 7 1 BEFORE PERFORMING SERVICE Be careful of electric shock or disconnecting the parts while trouble shooting M Voltage of each terminal in 220 240V and while applying an electric current 7 2 TEST MODE D Refer to the page 10 13 2 Press Power with above two buttons pr
10. e type can be selected e F10 ND 1 9 gt No Spin 400 600 800 1000 e F12 ND 1 9 the program selected No Spin 400 800 1000 1200 This option is not available with Quick 30 program 12 Test Mode Press Option and Spin and Power buttons simultaneously Water level frequency buttons Press Time Delay and Temp simultaneously Time Delay amp Beep ON OFF e Press the button when delayed washing is needed e When the button is pressed 3 37 is displayed maximum delay 5 00 hours can be set Each press advances time delay by the hour Use Power button to cancel Time Delay Time Delay means the time required from the present to completion of washing The Beep on off function can be set by pressing and holding the Time Delay button About 3 seconds The Beep on off function can be set at any time and it is automatically cancelled in the event of a power cut The Beep on off function also works when power is off Tub Clean e Tub Clean course can be set by pressing and holding Option and Rinse button simultaneously e Tub Clean is special cycle to clean the inside of Rinse M Spin rime Delay the washer Y intensive Rinset Hold 1200 2 95 C O Normal Hold 1000 O 60 QO Medic Rinse 800 O 40 Rinse 400 O 30 Child Lock Normal No Spin O Cold Rinse Spin Temp Child Lock system can be set and canceled by F pr
11. eak 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 CONNECT POWER PLUG Avoid connecting several electric devices Connect the power plug to the wall outlet pug It may be the cause of a fire TEST OPERATION Preparation for washing Connect the power plug to the outlet Connect the inlet hose Press both Time Delay and Pre Wash buttons simultaneously the present temperature will be displayed Check drain and spin Poweroff and then power on Turn on Spin lamps after pressing the Start Pause button and Start the machine again Check drain and spin Press the power button case of cotton program Check if the drum rotates clockwise and counterclockwise 8 Power off and open door Power off and then power Check if the door can be opened after Door Lock lamp turns off 9 Press the START PAUSE button Start Pause Check if water is supplied through the detergent dispenser Water removal If SVC is needed during check remove the remaining water by pulling out the hose cap 5 OPERATION LED display Di
12. ed e When the button is pressed 3 27 is displayed maximum delay 5 20 hours can be set Each press advances time delay by the hour Use Power button to cancel Time Delay Time Delay means the time required from the present to the completion of washing e The Beep on off function can be set by pressing and holding the Time Delay button About 3 seconds The Beep on off function can be set at any time and it is automatically cancelled in the event of a power cut The Beep on off function also works when power is off Child Lock e Child Lock system can be set and canceled by pressing and holding both Medic Rinse button and Pre Wash button simultaneously more than 3 Detecting seconds Tub Clean O 1200 UNE O 800 060 e Tub Clean course can be set by O 400 040 pressing and holding Intensive and Crease Care button simultaneously e Tub Clean is special cycle to clean the inside of the washer Power button e Press the button to turn power on and off e Press the button to cancel the time delay No Spin O30 O Rinse Hold O Cold Spin Temp e Medic Rinse Function that offers more purity in rinse operation by maintaining the optimum temperature for elimination of remnant detergent It can be selected in all courses with the exception of Quick 30 Hand Wash Wool Delicate course Intensive If the laundry is heavily soiled Intensive option is effec
13. een Replace the PWB assembly Main connectors on spinning is the voltage 220 240V as the figure PWB ASSEMBLY MAIN 23 WASH HEATER TROUBLE PWB ASSEMBLY MAIN When checking the voltage between connector 1 the PWB assembly Main during cotton 95 C washing 18 the voltage 220 240V NO the PWB assembly Main 220 240V After power off is the resistance of wire RED YELLOW connectors between After power off and the heater terminal is disconnected is the resistance 10 to 300 the heater assembly When disconnect the connector 1 on the PWB assembly Main is the resistance of the Red connectors 3 BL WH 4 SBL between 2 5kQ to NO 180 105 C 0 C Replace the thermistor 6322FR2046C When checking thermistor on the tub is the thermistor loosened above 2mm YES from the rubber Push the thermistor tightly to the rubber 24 SPIN TROUBLE Check the sensor Pressure or hose Sensor If the problem is on the sensor or the hose replace the sensor or the hose While spinning is the frequency of the water level 248 or more Pressing QC test mode buttons at the same time after power off press the START PAUSE button 2 times is the drum low speed spin Normal 15 it disconnected or disassembled White Spin 1 Red 3pin Correct
14. essed and then buzzer will sound 3 Press the Start Pause button as follows Press the Start Pause button more 4 times until stop spinning Pressing number of Checking Point Display Status Clockwise spin right Motor rpm About 47 in 3 times High speed Spin 5 times Inlet valve for main wash operation EE D Draining pump operation Water level frequency 7 3 HOW TO KNOW THE WATER LEVEL FREQUENCY Refer to the page 10 13 ex 241 Water level frequency 241 X 107 kHz 24 1kHz The digits means water level frequency 10 kHz 15 7 4 ERROR DISPLAY f you press Start Pause button when an error in displayed any error except S W ERROR will disappear and the machine will change into pause status In case of HE EE dt if the error is not resolved within 15 sec 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 But in the case of F power will not be turned off ERROR SYMPTOM CAUSE O Water has not reached to the pre set level within 4 min since inlet valve operated or water has not reached to the normal level within 25 min WATER INLET ERROR O The appliance is tilted O Laundry is gathered to one side o Non distributable things are put into the drum O Water has not drained enough within 8 min O Water is automatically being pumped out because too much water is in the tub O The
15. essing and holding both Option button and Tub Clean Function Rinse button simultaneously more than 3 seconds Power button Water temperature selector e Press the button to select water temperature e 95 C is selected for Cotton and Baby Care only By pressing the button while operating the washer the present temperature is displayed Press the button to turn power on and off Press the button to cancel the delay finish 13 6 WIRING DIAGRAM PROGRAM CHART DISPLAY PWB MAIN PWB YL 4 5 8111 1 1614131215 2106121145 BLI 5143 215 n PIN CONNECTOR TERMINAL 250 TERMINAL HOUSING 250 d Y EARTH TERMI POWER CORD Water Supply W S Intermittent Spin I S Disentangle Washing Rinse Mai Normal Rinse Staycooling W 18 1 MINE o 3 i Normal Working Time Hour Minute DES HE DE s pee Si E SE 120 120 teol so sco 120 so 10 60 360 120 le 7801120 20 TEE About 155653 M PET DD Delicate gt lt About 52 Bedcover DA 1 29 a ek HEA wo M Abuso bie
16. lower cover by Unplug the drain plug 2 then Take out any foreign material from using a coin Turn the drain plug the water flows out At this time the pump filter 3 After to pull out the hose use a vessel to prevent water from cleaning turn the pump filter flowing on the floor If the water clockwise and insert the drain plug does not flow any more turn the to the original place close pump filter 3 open to the left the lower cover cap 30 Pump Outlet Hose Remove pump outlet hose Remove tub pump bellows Remove cap Remaining Hose Disconnect the wiring Unscrew 2 screws 2 B G9 t Remove the pump Tub Pump Bellows HEATER 1 Loosen the M6 heater nut to pull out the heater When mounting the heater be sure to insert the heater into the heater clip on the bottom of the tub A D Pull it out by holding the thermistor bracket IS EN x If it is pulled by the wire it may be broken W 2 When mounting the thermistor again make sure that it is got back tight to the bushing 31 SWITCH ASSEMBLY DOOR LOCK 1 Take apart the cabinet cover clamp and release the gasket 2 Unscrew 2 screws holding the door lock 3 Disconnect the door lock from the wiring connector 1 Remove the heater SKM A 2 Remove the foreign material wire coin and others HT UN by inserting a long bar through the hole
17. n the correct compartment of the drawer MAIN WASH Detergent YES ct Is the detergent caked hardened YES Clean the drawer 21 SOFTENER DOES FLOW IN Refer to WATER SUPPLY Are receptacles correctly connected to Check the wiring on the the terminals of inlet valve dispenser YES option HOT Is water supplied Is softener put in the correct Put it in the correct compartment of drawer compartment Fix the bolt tightly Is the motor bolt loosened the STATOR assembly or ROTOR assembly Is there friction noise from the motor 22 HEATING WITHOUT WATER Water level frequency 252 or more Water level frequency between 230 245 Heplace the sensor pressure PWB ASSEMBLY MAIN Checking voltage between two Yellow RD Black YL pins as press the power button is the voltage 220 240V in without water condition the PWB assembly YES AC 220 240V Is the drain hose twisted or frozen Repair drain hose YES Remove foreign Is the impeller of the drain pump clogged YES material or repair the connector Is the connector disconnected disassembled the pump assembly NO Is the coil of drain pump cut off resistance of coil is 90 160Q When checking voltage betw
18. splay the estimated remaining time Hour Minute to finish In case of abnormal operation error indications are displayed IE LE LEE HE Fe FE DE rr IE NME NE JE LE 1 HE UC BE CC CE E LE LE e See troubleshooting guide Wash program selector TA the laundry Boiling Care _ Synthetic pre wasn O e f the power button is Bio Care 0 611 pressed all lamps are on Hand Wash daj Intensive e By turning the dial Cotton Wool lt x Cotton Quick Synthetic Delicate JJ Quick 30 Crease Care WS E o Duvet Bulky Quick 30 Lem Rinse Spin Spin Delicate spin N Rinse Spin H d Hand Wash Wool Bio Care Boiling Care Baby Care X Prese amp Hold see for can be selected The opposite is possible OC Start Pause button Spin Button e Use the button to start or pause wash By pressing the Spin Button the spin speed can cycle be chosen The power turns off automatically 4 e F10 ND 1 9 minutes after the pause button is Rinse Hold No spin 400 800 1000 pressed e F12 ND 1 9 Rinse Hold No spin 400 800 1200 10 Press Temp and Spin and Power buttons simultaneously Water level frequency buttons Press Intensive and Crease Care simultaneously Time Delay amp Beep ON OFF Press the button when reservation washing is need
19. tive By selecting the Intensive option the wash time may be extended depending the program selected Pre Wash If the laundry is heavily soiled Pre Wash course is effective Pre Wash is available in Cotton and Synthetic Program e Crease you want to prevent crease select this button with spin 11 Wash program selector LED display 9 program can be set depending on the type of the Display the estimated remaining time laundry Hour Minute to finish the power button is pressed Cotton program is In case of abnormal operation error indications are automatically set displayed By turning the dial Cotton Cotton Quick Synthetic ee ae Je Le Ehe FE Be Ge Delicate Wool Silk Hand Wash Quick 30 Duvet eg Baby Care can be selected See troubleshooting guide The opposite is possible Delicate M Wool Silk Hand Wash Ou Detecting Synthetic Quick 30 Cotton Quick Duvet Pre Wash Rinse Spir Start Pause button SORON Baby Gitega Gegen Use the button to start or pause Option zm D 6 The power turns off automatically 4 minutes after widownia FM If the laundry is heavily soiled Intensive option is effective By selecting the Intensive option the wash time may be extended depending on By pressing the By pressing the Spin Button the spin speed Rinse button the Bac Rins
20. urer or its service agents or a similarly qualified person in order to avoid a hazard Drawer For datergent and fabric softener e Control Panel Drum Door Drain Dram Plug Lower cover Lower cover cap Adjustable Feet m ACCESSORIES Inlet hose 1EA Option Hot Cold 2EA Spanner 4 INSTALLATION 1 Before servicing ask the customer what the trouble is 2 Check the adjustments Power supply 220 240V Removal of transit bolts etc 3 Check the troubles referring to the troubleshooting 4 Decide service steps referring to disassembly instructions Then service and repair 6 After servicing operate the appliance to see whether it works O Kor NOT STANDARD INSTALLATION The appliance should be installed as follows REMOVE THE TRANSIT INSTALL THE APPLIANCE ON ADJUST THE BOLTS FLAT AND FIRM SURFACE HORIZONTAL Remove the transit bolts Turn the adjustable feet to 4 CD with supplied set the appliance wrench horizontally Keep the transit bolts and wrench for future use Insert the 4 caps provided into the hole e The appliance goes up by rotating the feet clockwise e The appliance comes down by rotating the feet counter clockwise HOW TO CONNECT INLET HOSE Check that the rubber is the inside of valve connector Connect inlet hoses firmly to prevent l
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