WASHING MACHINE SERVICE MANUAL
Contents
1. 5 Website http biz lgservice com WASHING MACHINE SERVICE MANUAL A CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT MODEL WM3360H CA OCT 2009 PRINTED IN KOREA P No MFL30599175 01 ee Oe 10 11 CONTENTS 2 ec 3 Features and Technical Explanation 4 6 FAIS 1 t RS 7 and TESE m 8 10 ertet umido ee 11 17 Control Tanel 12 13 spe ere 14 553 15 54 Explanation of Each Proc ss obtu Hit pepe spia bo esu oo 16 17 Wiring Diagram Program Chart 05 nnns 18 9 125 EM a whe ees 20 7681 2418 OTIO MC TI I EE RETE 20 122 102 16550065 m 20 7 3 How To Read the Display in Load Test Mode 20 TOUDICSHOOUNG 21 35 8 1 28161 ROT iPod rr I Ec 21 82 Ertor Mode SUMMAN 21 22 3 3 Troubleshootrig SUM2. 18 19 11 g an 111111111 255 12 25 gt 111 228 TT 11111 I 525 BEBE 5 2 14 8 E ERE HE NER EE 1111111111111 JEL 1 E i KEX JEDEN A AAA AA EE 5 Ea ENS yeni E Optional Cycle Pre Setting Time Water Supply 60 sec LES a a SIE 212 t4 i mi 1 Basic Cycle PF pe PF Delicates 7 TEST MODE 7 1 SAFETY CAUTION B There s built in AC 120V and DC power in output terminal of PWB assembly in common Be careful electric shock when disconnecting parts while trouble shooting Wear Electro Static Discharge gloves when working After cutting off the power when changing PWB assembly disconnect or assemble Be careful static when handling PWB assembly and use Electro Static Discharge plastic pack when delivering or keeping it 7 2 LOAD TEST MODE The washer must be empty and the controls must be in the off state 1 Press the SPIN SPEED and SOIL LEVEL buttons simultaneously 2 Press the Power button while the above condition Then buzzer will sound twice 3 Press the Start P
3. Yes floor spinning in high speed verify that it is stable Check if the washer is perfectly level as follows Check the leveling of the washer with a level and check that the washer is stable If it stable adjust feet accordingly After the washer is level tighten the lock nuts up against of the base of the washer All lock nuts must be tightened Adjustable feet Lower TEL Tighten 1 4 Adjustable feet 33 DETERGENT DOES NOT FLOW IN Refer to Is water supplied NO WATER SUPPLY Are receptacles correctly Check the connected to the terminals No wiring of the INLET VALVE ASSEMBLY Prewash Has detergent been put in Put the the correct compartment No detergent in of the dispenser the correct place 1 m Pre wash dole sis pu Main wash 4 3 2 CE 1 Liquid chlorine Bleach Compartment e Detergent 2 Liquid fabric Softener Compartment 3 Prewash Compartment 4 Main Wash Compartment Is the detergent caked or hardened Yes Clean the dispenser 34 LIQUID DETERGENT SOFTENER BLEACH DOES NOT FLOW IN Is water supplied Yes Are the plugs correctly connected to the terminals of No the INLET VALVE ASSEMBLY Prewash Is liquid detergent softener bleach put in the correct compartment of the drawer yet 1 0 4 9 2 1 Liquid chlorine Bleach Compartment 2 L
4. HEATER ASSEMBLY K320 includes THERMISTOR In case of replacing BEARING BALL K121 K122 and GASKET K125 replace TUB ASSEMBLY OUTER K105 TUB ASSEMBLY OUTER K105 includes BEARING BALL K121 K122 and GASKET K125 Part Assembly K142 includes 10 screws 66 11 3 DISPENSER ASSEMBLY S lt gt yyy 6 i A S HOT RED COLD BLUE 67
5. Is the coil of the drain pump too high or low resistance of the coil is 10 20Q Refer to 9 4 Pump motor assembly Replace the DRAIN PUMP ASSEMBLY Replace the MAIN PWB ASSEMBLY Is the voltage between connectors out of range NA2 pini BLS 1 After remove Terminal Position Assurance TPA of connector check as follows Pump running 120V 5 Stopped Motor Pump 0 1V Method 1 Press the Power button while the SPIN SPEED button and SOIL LEVEL button is pressed simultaneously 2 Press Start Pause button 1 time Pump slow speed running 2 times Pump mid speed running 3 times Pump high speed running 4 times Stop the Motor Pump Note Environmental check list 1 The drainage hose must not stay in a lower position 2 The drainage hose must not be bent or clogged in any way due to the surrounding physical configuration 3 The drainage hose must not get frozen at all times 4 The drainage pump must not have any improper substance or material inside that may cause a machine breakdown HEATING ERROR Is tE ERROR displayed Yes Is the connector connected to Heconnect or heater disconnected or disassembled repair the connector Yes Wash heater Replace the HEATER Is Check heater resistance out of range 12 18 Q Refer to 9 6 Heater assembly Yes ASSEMBLY 26 Rec
6. MAIN PWB Display PWB 31 BUTTON DOESN T WORK Is the connector connected Reconnect or to Main PWB Display Repair PWB disconnected or the connector disassembled Is the display PCB broken Replace the check the buzzer sound Yes DISPLAY and LED light while push the PWB button ASSEMBLY Is the button of panel stuck Repair the button 32 VIBRATION amp NOISE IN SPIN Put an unbalance part rubber inside of drum and start QC test mode and run in high spin Refer to section 7 2 When the machine is spinning in high speed verify that it is stable Have all the transit bolts Remove the and base packing been transit bolts removed and Base packing Unbalance Part If you do not have the unbalance part put 4 5 to 6 5 Ibs 2 to 3 kg of clothing Once loaded press power Rinse Spin Move the and the start pause button washer or in sequence I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I Base Packing I I I I I I I I I I reinforce the When the machine is I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I Is the washer installed ona solidly constructed floor
7. WM3360H CA STEAM CYCLE PERM PRESS BULKY LARGE BRIGHT WHITE SANITARY ALLERGIENE STEAM FRESH DIAGNOSIS COTTON NORMAL HEAVY DUTY DELICATES HAND WASH WOOL SPEED WASH RINSE SPIN 17 PROCESSING SSTEAM 5 ENS SEAD WASH RINSE SPIN EXTRA HOT COLD EXTRA HIGH Q HOT COLD O HIGH WARM WARM MEDIUM WARM COLD O LOW Q COLD COLD ONO SPIN WASH RINSE SPIN SPEED EST TIME REMAINING D HEAVY NORMAL 1 LIGHT SOIL LEVEL WASH LOCK FRESH CARE EXTRA RINSE STAIN CARE TUB CLEAN SIGNAL OPTION Press amp Hold 3sec for Extra Functions 9 IrueBalance ANTI VIBRATION SYSTEM Status Indicator Power Button Use this button to turn the power On Off e It shows elapsed time of the cycle the washer is operating STEAM CYCLE PERM PRESS COTTON NORMAL BULKY LARGE HEAVY DUTY BRIGHT WHITE DELICATES SANITARY HAND WASH WOOL ALLERGIENE SPEED WASH STEAM FRESH RINSE SPIN 4 T DIAGNOSIS Cycle Selector Knob Start Pause Rotate the Cycle selector knob to select the cycle e Use this button to designed for different types of fabric and soil Start Stop the washer levels 12 Option Button STEAM Use the STEAM button to add steam to the cycle for the extra cleaning PRE WASH Use the PREWASH button to select to wash tempo
8. to the off position through CAM Door close Authorizing one impulse through terminal 3 4 PTC amp solenoid will make the door locked Door lock is detected when switches in terminal 4 5 are set closed CAM rotation will forcibly clear off the connection The maximum allowable number of impulse authorizations is 2 gt Upon the third authorization of the impulse the position of CAM goes back to the door open position Authorizing the impulse occurs in 4 5 seconds upon input for max performance and two authorization processes are allowed at most Normal operation period of PTC heating 1 5 5 seconds Defects from the development process 2 Operation for door opening With a temporary stop door automatically opens by CAM rotations after authorizing the impulse from the terminal 3 4 and the power turns off maximum of 3 times of the authorizing period Upon the fourth authorization of the impulse the position of CAM goes back to the door close position 37 Test points mmy 38 9 3 STATOR ASSEMBLY Wiring Circuit in the MAIN PWB Wiring Diagram diagram The Direct Drive motor can be driven from stopped to maximum speed in infinite steps in either direction There are 36 poles on the stator 12 permanent magnets spaced around the rotor There are no brushes to wear out Unlike a more traditional brushless motor the rotor surrounds the stator rather than being attached to it T
9. types of blanket materials applied when the power iS applied Replace the Replace the MAIN PWB INLET VALVE ASSEMBLY ASSEMBLY 29 PRESSURE SENSOR ERROR 5 ERROR displayed Is the connector connected Reconnect or to pressure sensor repair disconnected or the connector disassembled Is the resistance of the Replace the pressure sensor out of pressure range switch pin 1 pin 3 21 23 Q 10 Is the AIR CHAMBER and Fix the air the tube clogged chamber and remove the foreign material Replace the MAIN PWB assembly 30 8 5 TROUBLESHOOTING ELSE A CAUTION 1 Be careful of electric shock if disconnecting parts while troubleshooting 2 First of all check the connection of each electrical terminal with the wiring diagram 3 If you replace the MAIN PWB ASSEMBLY reinsert the connectors correctly NO POWER Is the supplied voltage Check the 120V 10 15 fuse or reset the circuit breaker Is LED on while the power Replace the MAIN PWB ASSEMBLY W 4 X 2 1 1 14 Is five pin wire of Replace the display PWB broken DISPLAY PWB Is the current rating of Alternate with ASSEMBLY multi outlet power strip explanation enough Avoid connecting several electric devices Is the connector connected Reconnect to PCB Noise filter or disconnected or the connector disassembled Connecting connector
10. C POWER 2 FEATURES amp TECHNICAL EXPLANATION 2 1 FEATURES Ultra Capacity The larger drum enables not just higher head drop and stronger centrifugal force but also less tangling and wrinkling of the laundry Heavier loads such as king size comforters blankets and curtains can be washed B Direct Drive System The advanced brushless DC motor directly drives the drum without belt and pulley M Tilted Drum and Extra Large Door Opening Tilted drum and extra large opening make it possible to load and unload clothing DE more easily B Steam Washing and SteamFresh Steam washing features upgraded washing performance with low energy and water consumption SteamFresh cycle removes wrinkles from dry clothes B Automatic Wash Load Detection 27 Automatically detects the load and optimizes the washing time tbs B Built in Heater Internal heater helps to maintain water temperature at its optimum level for selected cycles B Child Lock The child lock prevents children from pressing any button to change the settings during operation 2 2 NEURO FUZZY WASHING TIME OPTIMIZATION To get the best washing performance optimal time is determined by the water temperature the selected washing temperature and the size of the load water temperature 2 selected the best washing rinsing time washing temperature performance spin rhythm time load size SENSING PROCESSING
11. DETERMINATION EFFECT 2 3 WATER LEVEL CONTROL This model incorporates a pressure sensor which can sense the water level in the tub The water supply is stopped when the water level reaches the preset level the washing program then proceeds Spinning does not proceed until the water in the tub drains to a certain level 2 4 DOOR CONTROL The door can be opened by pulling the door handle whenever washer is not in operation When the cycle is completed the DOOR LOCKED light will turn off e f a power failure has occurred while in operation the door will unlock after 5 minutes Clicking sounds can be heard when the door is locked unlocked 2 5 THE DOOR CAN NOT BE OPENED e While program is operating When a power failed and power plug is taken out in operation e While Door Lock lights turn on e White the motor is in the process of inertial rotating through the operation is paused 2 6 DOOR LOCKED LAMP LIGHTS When the frequency of water level is lower than 22 9 kHz It can be canceled when the frequency is more than 23 8 kHz When the temperature inside the tub is higher than 45 C and water level is not 25 5 kHz It can be canceled when the water level is 25 5 kHz or the temperature inside the tub is lower than 40 C 2 7 CHILD LOCK Use this option to prevent unwanted use of the washer Press and hold STAIN CARE button for seconds to lock unlock control When child lock is
12. MA ________ __ 23 3 4 TrOUDIESNOOUING With Pt 24 30 8 5 Troubleshooting EISE 2 31 35 Component Testing e tua 36 48 9 T Filter Assembly LINE FIEL ecco et ial at ein ebro el 36 9 2 Door LOOK SWITCH 24858 rac dads ids 37 38 9 3 39 41 9 4 PUMP MOr ASSEMDIV 42 285584 43 9 6 661681 ASSO IMI sa HL ER 44 7 IMENMISION 55607 SR 45 46 9 8 Steam Generator Assembly 47 48 teure ausu uui ec users 49 59 gt 6 60 62 11 1 Cabinet and Control Panel Assembly nnn nnn nnns 60 11 2 Drum and ASSEMDIV tiu crudi ates 61 Dispenser ASSEMDI 62 1 SPECIFICATIONS FRESH CARE EXTRA RINSE STAIN CARE CONTROL TYPE 27 X 293 4 D x 3811 1 6 H 51 D door open ELECTRI
13. R and the tube clogged Clean or replace the filter Reconnect or repair the connector Replace the INLET VALVE ASSEMBLY 24 Replace the INLET VALVE Is the voltage of the inlet valve connector 120 V AC Check the all terminal of INLET VALVE ASSEMBLY while the power is on Yes ASSEMBLY Is the connector connected to Reconnect or MAIN PWB assembly disconnected or dis assembled NA2 NA4 BL3 Yes repair the connector Is Electrical connection correct Refer to 9 5 wiring diagram Replace the MAIN HARNESS Check the PRESSURE After checking connector is the water level frequency Yes below 24 6 kHz SWITCH Replace the MAIN PWB ASSEMBLY Note Environmental safety check list 1 No water tap leakage 2 3 4 5 No water tap freeze No entanglement of water supply hose No water shortage No shrinkage on water supply hose due to a possible misuse of hot and cold water 6 No water supply hose leakage lt DRAIN ERROR Is displayed Yes Reconnect or Is the connector connected to pump motor assembly disconnected or disassembled Yes repair the connector Connection connector Check the AIR CHAMBER the tube When you press both WASH RINSE button and DELAY WASH button simultaneously is the clogged and press switch Yes water level frequency below 25 0 kHz 25
14. Test Points Test Points 1 to 2 10 20 Q 1 to 2 18 30 Q 42 9 5 INLET VALVE ASSEMBLY Wiring Circuit in the diagram PCB Inlet valve driving circuit CONNECTOR 123 4 321 BL3 112 3 4 2 11213144 312117 4 1121314 COMMON BL BK BL RD INLET VALVE Each circuits of loads in wiring diagram are all same Depending on the cycle and water temperature the controller will energize the hot or cold water valve solenoids to meet the selected water temperature Test After pull out the connector of defective valve check the resistance points and Result Result 0 8 1 2 43 9 6 HEATER ASSEMBLY Wiring diagram MAIN PWB X71 X135 X134 GENERATOR WASH HEATER HEATER Each circuits of loads in wiring diagram are all same 1 The wash heater is designed to raise the wash water to the desired temperature selection during certain wash cycles 2 The steam generator heater is designed to make the water to the steam during steam cycles Test points 1 Wash Heater Steam Generator Heater Wash Heater Steam Generator Heater Test Points Hesult Test Points Hesult 1 to 2 12 18 1 to 2 12 18 Q 44 9 7 THERMISTOR ASSEMBLY BL WASH STEAM THERMISTOR GENERATOR THERMISTOR Wiring Magram MAIN PWB The thermistor temperature sensor is used to monitor water temperature in the tub or steam generator Wash Thermistor Steam Gene
15. Water Hoses shipping bolt holes CELA Wrench for removing Tie Strap Elbow Bracket shipping bolts and for securing adjusting and al drain hose locking leveling feet 4 INSTALLATION amp TEST Before servicing ask the customer what the trouble is When installing or repairing the washer put on long gloves and safety glasses Check the setup power supply is 120 Vac remove the transit bolts level the washer etc Check with the troubleshooting guide 5 Plan your service method by referring to the disassembly instructions Service the unit After servicing operate the appliance to see whether it functions correctly 6 7 STANDARD INSTALLATION The appliance should be installed as follows REMOVE THE SHIPPING INSTALL THE APPLIANCE ADJUST THE BOLTS ON A FLAT AND FIRM SURFACE LEVELING Remove the 4 shipping bolts Turn the leveling feet to with the supplied wrench adjust the appliance Remove the lower boits fist It is easier that way Keep the shipping bolts and spanner for future use nsert the 4 caps provided into the hole Turn clockwise to raise counterclockwise to lower HOW TO CONNECT THE INLET HOSE Verify that the rubber washer is inside of the valve connector e Tighten the inlet hose securely to prevent leaks e Install the inlet hose to correct temperature water tap Otherwise it cause drips on the drawer panel handle an
16. ause button repeatedly to cycle through the test modes Number of times the Start Pause button is pressed Check Point Display Status Turns on all lamps and locks the door LOAD TEST MODE Tumble clockwise Rpm 45 50 Low speed Spin Rpm 55 60 118 120 8 times Water level frequency 0 255 rpm 42 50 7 3 HOW CHECK THE WATER LEVEL FFREQUENCY Press the WASH RINSE and DELAY WASH button simultaneously The digits indicate the water level frequency x 1 kHz So for example a display indicating 241 a Water level frequency of 241 x 1 kHz 24 1 kHz 20 8 TROUBLESHOOTING 8 1 SAFETY CAUTION B There s built in AC 120V and DC power in output terminal of PWB assembly in common Be careful electric shock when disconnecting parts while trouble shooting Wear Electro Static Discharge gloves when working m After cutting off the power when changing PWB assembly disconnect or assemble careful static when handling PWB assembly and use Electro Static Discharge plastic pack when delivering or keeping it 8 2 ERROR MODE SUMMARY If you press the START PAUSE button when an error is displayed any error except will disappear and the machine will go into the pause status n case of A 1 if the error is not resolved within 20 seconds or the in case of other errors if the error is not resolved within 4 minutes power will be turned off automatically and the error code will blink But
17. cycle on a monthly basis the wash drum will be kept clean 15 5 4 Explanation of each process 1 Stay Electrical power is supplied Washer is ready to work and the micom is in the active mode Water e After loading laundry and selecting a course and a cycle water is supply supplied and drum rotates e When a user selects Pre wash course water is supplied through pre wash valve Soaking To get laundry wet drum rotates clockwise and counterclockwise laundry water again O 2 3 f and washing If water amount is insufficient at this time the Inlet valve will supply 4 Heating and The heater heats the water in drum to the selected water temperature washing and drum rotates for washing 5 Washing When the water temperature reaches to the selected temperature and heating the heating stops and only the drum rotates washing f water temperature becomes lower than selected because of re supplied water the heating starts again Washing Fuzzy logic decides washing time according to the laundry load water temperature and other factors Drainage A pump motor drains the water from the drum e After sensing drained water amount by water level frequency spin starts e When a heating course is selected stay cooling process is performed to decrease the water temperature gradually to prevent laundry from being damaged and for safety reasons 6 Untangling e It balances laundry l
18. d drawer panel CONNECT THE DRAIN HOSE SS to Make sure that the hose is not twisted Avoid submerging the end of the hose The end of the drain hose should be placed less than 96 from the floor CONNECT POWER PLUG Avoid connecting several electric devices Connect the power plug to the wall outlet as doing so may cause a fire TEST OPERATION 1 Preparation for washing e Connect the power plug to the outlet Connect the inlet hoses Check the water heating function e Press the WASH RINSE button and the present temperature will be displayed 0 Check the drain and spin functions Power off and the power on Press the SPIN SPEED button Press the START PAUSE button Check the spin and drain functions Press the POWER button Check the automatic reverse rotation e Check if the drum rotates clockwise and counterclockwise Press the START PAUSE button e Listen for a click to determine if the door is unlocking 10 0 Press the START PAUSE button e Listen for a click to determine if the door has locked Q Check the water supply Check if water is supplied through the detergent dispenser If SERVICE is needed during check remove the remaining water by pulling out the hose cap 5 OPERATION 5 1 CONTROL PANEL FEATURES E
19. dwe 6 TA MINES p dah andui 44518343 VN E VN 13123 2 s E WE 19 9U 9 guid 8 Li I1 JO SIUJOU USEM 10151449 1 2502 5 indui 8 m EN 1 puid S zuld josues Ag suid duind uonow peddois z 06 1215 VO HS88ENM G Luid YN 0 guid 18 aid zuid 1000 10 Kejdsiq Oy zuld SI yed eu 18 19191 8 4 TROUBLESHOOTING WITH ERROR INLET VALVE ERROR Is displayed Yes When you press both WASH RINSE button and DELAY WASH button simultaneously is the water level frequency below 24 6 kHz Is filter inlet valve clogged with foreign material Is the connector connected to inlet valve assembly disconnected or disassembled Is resistance between each terminal of INLET VALVE ASSEMBLY 0 8 1 2 Refer to 9 5 inlet valve assembly Yes Yes Check the AIR CHAMBE
20. er end signal is displayed it stays for 8 seconds and power is automatically turned off Auto type door switch e After door switch is off end signal is displayed in the case of manual type and it takes around 2 minute to turn off door switch 17 6 WIRING DIAGRAM PROGRAM CHART WIRING DIAGRAM 0 DSPLAYPWB 772 1314 51617 1819 Em NA 181716151413121 21211 123 87654321 31211 11213 817161514131211 ep 19181716 514131211 MAIN PWB 91817161514131211 NA 11213141516 112134156 1121914 qaot 1234 11213141510 11213 1234 1123456 321 141 1234 21 1 BN Buc VT YLIBL Bill m GY 11213 4321 YL 8 111213 211 1 oc 9 we ii um NAM 2 3 25 i 1 5 2 1212 GN WASH AG WH 12 3 THERMISTOR i 3 gs 123 o e M H s MOTOR PRESSURE lt gt 250 TERMINAL SENSOR POWER 250 TERMINAL HOUSING CORD DRAIN CIRCULATION PIN NNECT n n PIN CONNECTOR PUMP PUMP DOOR LOCK RING TERMINAL GROUND A Base Line 18 i D T Spin Intermittent Spin I S Water Supply W S PROGRAM CHART Rinse Wash eres pp ii EE Drain Rinse H t BE dil 28 11111111 1
21. est points Aj Windings _ WINDINGS HALL SENSOR i 39 The hall sensor determines the speed and direction of the motor It also can read that the load is off balance when the drum speed fluctuates Test point Voltage Testing Hall Sensor at Stator and ED Result Hall Sensor 2 4 1 3 5 If measuring voltage from the PCB Assembly to the Hall Sensor use the following steps Unplug power cord Remove rear washer panel Locate Hall sensor connector on the stator behind the rotor Place meter leads on terminals 5 to 4 white to gray Plug in power cord close door and press power button DO NOT PRESS START 6 You should measure 10 to 15 Vpc If 10 to 15 Vpc is present control board white wire and gray wire are OK If not follow testing output voltages on control board in next section 40 7 To measure output signal voltage from the hall sensor carefully move test leads to terminals 1 to 4 blue and gray Slowly rotate motor rotor by hand You should read a pulsing 10 If 10 is measured from 1 to 4 move lead on blue wire to red wire terminal 2 Repeat rotating motor rotor by hand You should read a pulsing 10 Voc from red to gray If pulsing 10 is measured from 1 to 4 and 2 to 4 hall sensor is OK If either test netted only 9 to 10 without changing no pulsing the hall sensor
22. in the case of power will not be turned off ERROR SYMPTOM CAUSE WATER INLET Correct water level 24 6kHz is not reached within ERROR 8 minutes after water is supplied or it does not reach the preset water level within 20 minutes UNBALANCE The load is too small ERROR The appliance is tilted Laundry is gathered to one side Non distributable things are put into the drum DRAIN ERROR Not fully drained within 10 minutes OVERFLOW ERROR Water is overflowing water level frequency is over 21 3 2 x If is displayed the drain pump will operate to drain the water automatically PRESSURE SENSOR The PRESSURE SENSOR ASSEMBLY is out of ERROR order When water level frequency maintain condition of below 10 kHz and over 30 kHz DOOR OPEN ERROR Door not all the way closed e Loose electrical connections at Door switch and PWB Assembly e The DOOR SWITCH ASSEMBLY is out of order HEATING ERROR The THERMISTOR is out of order 21 SYMPTOM CAUSE LOCKED MOTOR The connector 3 male white in the MOTOR ERROR HARNESS is not connected to the connector 3 pin female white of STATOR ASSEMBLY The electric contact between the connectors 3 pin male white in the MOTOR HARNESS and 4 pin female white connector in the MAIN PWB ASSEMBLY is bad or unstable The MOTOR HARNESS between the STATOR ASSEMBLY and MAIN PWB ASSEMBLY is cut open circuited e The hall sensor
23. iquid fabric Softener Compartment 3 Prewash Compartment 4 Main Wash Compartment Is the liquid detergent softener bleach cap clogged Yes Bleach cap SES 9 Liquid detergent cap Refer to NO WATER SUPPLY Check the wiring on the dispenser Put it in the correct compartment Clean the cap and container 35 ABNORMAL SOUND Is the motor bolt loosened from the motor Is there friction noise coming Secure the bolt Check hall sensor Replace If defective Then check stator Heplace if necessary Check rotor for broken magnets Replace rotor if necessary 9 COMPONENT TESTING INFORMATION WARNING When Resistance Ohm checking the Component be sure to turn the power off and do voltage discharge sufficiently 9 1 FILTER ASSEMBLY LINE FILTER Wiring Circuit in the MAIN PWB Wiring Diagram diagram Test points and Result Test Points WH 1 to RD 3 WH 3 to RD 1 36 9 2 DOOR LOCK SWITCH ASSEMBLY Wiring Circuit in the MAIN PWB Wiring Diagram diagram The door lock switch assembly consists of a heating PTC a bimetal a protection PTC and a solenoid It locks the door during the wash cycle 1 Operation for door closing After the system turns on PTC heating starts up through terminals 2 and 4 authorizing the power on After PTC heating starts up and before solenoid operation is driven force the system
24. is likely defective Disconnect power by unplugging washer and ohm check hall sensor to verify failure of the hall sensor Test Point Voltage Testing Hall Sensor from the Main PCB Assembly 2 4 and Result Hall Sensor 3 1 Unplug power cord Remove rear panel Remove washer top Remove main PCB assembly cover as shown in figure below Locate the white hall sensor 4 wire connector using wiring diagram wire colors as your guide Plug in power cord close door and press the button DO NOT PRESS STAHT Place meter leads on White amp Gray wires You should read 10 to 15 Vpc output from the Main PCB Assembly to the Hall sensor If no 10 to 15 is measured the control board is defective Place meters leads on Blue to Gray Turn motor rotor slowly by hand You should measure a pulsing 10 Place meter leads Red to Gray Turn motor rotor slowly by hand You should measure a pulsing 10 If both tests measure a pulsing 10 hall sensor and harness OK If either or both tests measures 9 to 10 volts but does not pulse or change Hall sensor has failed and must be replaced IF zero 0 voltage is measured on either test check red blue wires for continuity Repair or replace harness as needed 41 9 4 PUMP MOTOR ASSEMBLY Wiring Circuit in the MAIN PWB Wiring Diagram um diagram DRAIN CIRCULATION PUMP PUMP Test points Drain Pump Circulation Pump
25. is limited to determining malfunction and replacing as an assembly The steam generator does not have to be removed from the machine to be drained Be sure to let the water cool to avoid a burn Have a hose available to slip onto the connector or a large towel to catch the water so it doesn t run down into the machine cabinet If you remove the steam generator before draining it be sure to avoid tipping it and spilling the water 2 Water level sensor 1 Structure of water level sensor Maximum water level Minimum water level common 2 Function of Water level sensor It determines the water level in the steam generator and keeps it full protect the heating element 48 10 DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine before disassembling and repairing the parts CONTROL PANEL 1 Unscrew 2 screws on the back of the top plate TOP PLATE ASSEMBLY 2 Pull the top plate backward and upward as shown 3 Disconnect the Display PWB assembly connector from the cabling 4 Pull out the drawer and unscrew 2 screws 5 Remove one screw 6 Lift the side the control panel assembly and pull it out 7 Unscrew the 8 screws from the control panel assembly Disassemble the display PWB assembly 49 MAIN PWB ASSEMBLY the pressure switch assembly 1 Disconnect the POWER connector and 2 Remove the protective cover 3 Disconnect the connectors 4 Unscrew 1 screw on the back 5 Remo
26. is out of order defective EEPROM ERROR EEPROM is out of order x Displayed only when the START PAUSE button is first pressed in the Load Test Mode POWER FAILURE e After the power supply is stopped while washing machine is working the power is supplied rapidly 22 8 3 TROUBLESHOOTING SUMMARY osrs 0086 OSL G 2 o1 2 4 92 4 22 O 08 84 9 52 4 22 00091 002 f 0 Z U 02 01 dund 158 03218 2 0 1 OSL S 2 o L 1S9 5 159 V HO9EEN 1V 4 98 2 02 OO HM 0 OO I HM Sjulod 159 fn jgNnous TVNIWHZL HOLO3NNOO SONISNOH IWNINHAL 0688 TVNIWH3L 0888 lt gt JION dwnd Nouvinouo 1 pon cpu e G3 X 2 801 LZZ 17 0382 2 96 4 202 1V 0 02 4 891 9 09 4 071 09 4 701 081 01 49 eoH 0 02 4 98 1 1 ES G d NH OJ c L 00 cUld 01 LUld 114110 06 Mis 891 114110 1ejeeu usen Fieteri
27. l NOTE To protect your garments not every wash rinse temperature spin speed soil level or option is available with every cycle 14 5 3 SPECIAL FUNCTIONS The option buttons also activate special functions including CHILD LOCK DRUM LIGHT FRESH CARE and LANGUAGE Press and hold the option button marked with the special function for 3 seconds to activate CHILD LOCK PRE WASH CHILD LOCK TUB CLEAN CARE TUB CLEAN Use this option to prevent unwanted use of the washer or to keep cycle settings from being changed while the washer is operating Press and hold the PREWASH button for 3 seconds to activate or deactivate the child lock function The child lock indicator will be shown in the display and all buttons are disabled except the ON OFF button NOTE CHILD LOCK lasts after the end of cycle If you want to deactivate this function Press and hold the STAIN CARE button for 3 seconds A buildup of detergent residue can occur in the wash tub over time and can lead to a mildewy or musty smell The TUB CLEAN cycle is specially designed to remove this buildup After the cycle has ended safely and conveniently secure the door slightly ajar with a magnetic door plunger to keep the door open This will promote air circulation and allow the interior of the machine to dry NOTE Do NOT use this cycle with clothes and do NOT add detergent or fabric softener NOTE If you use the TUB CLEAN
28. oad and senses the eccentricity of the load to only Sensing allow spinning without vibration eccent 9 f the eccentricity is worse than the allowed level it repeats the ricity disentangling process When the repeated time is more than allowed level it displays UE f the eccentricity is good the intermittent spin starts During this process the drain pump works for drainage intermittently 16 O Process Explanation Intermittent To reach the correct set speed the motor rotates clockwise and spin counterclockwise directions after spin process starts 9 f the water level frequency is lower than 23 0 kHz a washer senses suds and starts suds removal process In this process the remaining water during washing process is extracted and the selected speed is kept Removing suds process is in active mode at this cycle Remaining e After spin finishes the drum rotates by remaining spin power until it spin stops Motor power is off This process is overlapped with next process Rinse water Water supply for rinse process supply Rinse e Rinsing process Last e After spin finishes and power is not supplied to motor the drum drainage rotates by remaining spin power 9 f rinse hold is selected the drainage is not proceeded after rinse finishes Remaining spin The same with item C Disentangling e After spin finishes disentangling starts to remove unbalanced laundry End e Aft
29. olts on the stator 3 Unplug the 2 connectors from the stator 1 Disassemble the damper hinges from the tub HINGE and base SS DAMPER Se NOTE f you pull the dampers apart the must be replaced If you do not separate them they can be re used 57 Checking the TSG TURBO STEAM GENERATOR 1 To check out the fault diagnosis of TSG you can pull out the plug and let the water drain away 2 Be cautious in case of the TSG is hot 1 Remove the housing attached to the TSG Heater Water level frequency sensor Thermistor 2 Remove the screw of the TSG and body frame 58 59 8 Remove the screws from both ends of the frame rail 4 Separate the hoses from the TSG 5 Remove the body frame and then separate the TSG from the washer 11 EXPLODED VIEW 11 1 CABINET amp CONTROL PANEL ASSEMBLY 5 lt 3 in E 4 3 d in o 3 9 No Good Description Owner s Manual 11 2 DRUM amp TUB ASSEMBLY a y gt d E 2477 52 M 2 2 2 4 2 7 d Pd S x In case of replacing THERMISTOR of HEATER ASSEMBLY K320 replace HEATER ASSEMBLY K320
30. onnect or repair the connector Is the connector connected to thermistor disconnected or disassembled Yes Wash thermistor Replace the THERMISTOR ASSEMBLY Is thermistor resistance out of range about 39 5 kQ at 30 C Refer to 9 7 thermistor assembly Replace the THERMISTOR ASSEMBLY Check the trans of water infiltration into thermistor terminal Does the water infiltrate thermistor terminal Note Chances that the cause occurs from the main controller are very little Sensing part of the circuit tE consists of only resistors and capacitors part of motor LOCKED MOTOR ERROR Is LE ERROR displayed Yes Check the connectors below Reconnect Is the connector disconnected Yes the connector or disassembled connector motor hall sensor connector wire motor d Yes Replace the ROTOR Is rotor magnet cracke motor drive connector 4 part of main PWB assembly NA1 RD4 Is the resistance values Replace in the range of 5 to 15 Q No the STATOR U V V W W V 1 2 W 3 After pull out the RD4 connector check the terminal of the connector in wire Red 3P male Hall sensor part of wire Replace the Hall sensor Is hall sensor out of order Refer to 9 3 Stator assembly Hall sensor Check the IPM in the Replace the controller MAIN PWB ASSEMBLY 27 DOOR OPEN ERROR I
31. rary before to start the course which you chosen DELAY WASH Once you have selected the cycle and other settings press this button to delay the start of the wash cycle COLDWASH M Use this function to wash without hot water and heating EXTRA RINSE This option will add an extra rinse cycle to the selected cycle STAIN CARE Select this option for heavily stained clothes such as play clothes or work clothes CHILD LOCK Use this option to prevent unwanted use of the washer or to keep cycle settings from being changed while the washer is operating FRESH CARE Use this function when you are not able to unload your clothes son after the wash cycle ends m PROCESSING EST TIME REMAINING 3 DELAY oM Nem Manz e 050 WASH RINSE SPIN PRE EXTRA HOT COLD EXTRA HIGH Q HEAVY Q HIGH HOT COLD HIGH 1 1 FRESH WARM WARM MEDIUM NORMAL Q LOW AINE O WARM COLD O Y COLD COLD NO SPIN LIGHT OFF RINSE 1 C 04 CARE TUB CLEAN WASHYRINSE SPIN SPEED SOIL LEVEL SIGNAL OPTION B c 9 IrueBalance ANTI VIBRATION SYSTEM Wash Rinse Spin speed Soil Level Signal Button e Select a water temperature based on the type of load you are washing To change the spin speed press the Spin Speed button repeatedly to cycle through available options change the soil level press the Soil Level button repeatedl
32. rator Thermistor 45 Wash Thermistor Test Points Result Remarks tolerance 5 1 to 2 39 5 8 5 At 158 F 70 C 3 8 At 203 F 95 C 2 8 At 221 F 105 C Steam generator Thermistor Test Points Result Remarks tolerance 5 1 to 2 39 5 kQ 2 1 At 241 F 116 C 1 4 At 266 F 130 C 1 0 At 293 F 145 C 0 7 kQ At 320 F 160 C 0 4 At 356 F 180 C 46 9 8 STEAM GENERATOR ASSEMBLY Wiring diagram HEATER ASSEMBLY WATER LEVEL SENSOR 1 Steam generator 1 Construction of steam generator Inlet valve that controls supplying water Water level sensor that sense amount of water supply thermistor ASSEMBLY the sense inner temperature of steam generator heater assembly that heats water supply steam generator CASE that is container of water supply nozzle hose of water supply 47 2 Operation mechanism of Steam generator After supplying some amount of water through inlet valve and water level sensor the heater operates and steam generates Generated steam is sprayed by nozzle If the water in the steam generator is reduced by spraying steam the water level sensor signals the board to refill the steam generator 3 Operation method of Steam generator The steam generator assembly is supplied as an assembly only parts like the water level sensor thermistor or heater cannot be replaced individually Diagnosis
33. rews from the hinge Use the 8mm tool 3 Disassemble the door upward 1 Open the door and disassemble the CLAMP ASSEMBLY 2 Unscrew the 2 screws NOTE Reconnect the connector after replacing the DOOR SWITCH ASSEMBLY 1 Disassemble the cabinet cover 2 Separate the pump hose the bellows the circulation hose assembly from the pump assembly 3 Disassemble the pump assembly HEATER 1 Disassemble the cabinet cover 2 Separate 2 connectors from the heater 3 Loosen the nut and pull out the heater CAUTION e When assembling the heater insert the heater into the heater clip on the bottom of the tub Tighten the fastening nut so the heater is secure THERMISTOR 1 Disassemble the cabinet cover 2 Unplug the white connector from the thermistor 3 Pull it out by holding the bracket of the thermistor 55 WHEN FOREIGN OBJECT IS STUCK BETWEEN DRUM AND TUB 1 Disassemble the cabinet cover 2 Separate the heater from the tub 3 Remove any foreign objects wire coin etc by inserting a long bar in the opening 1 Unscrew 2 screws on the back of the top plate 2 Pull the top plate backward and upward as shown 3 Disconnect the connector 56 MOTOR DAMPER 1 Disassemble the back cover 2 Remove the bolt 3 Pull out the rotor 1 Unscrew the 2 screws from the tub bracket 2 Remove the 6 b
34. s displayed Yes Is there clicking sound once Replace the or twice when the PCB START PAUSE button is ASSEMBLY pressed to start the cycle Is the connector connected Reconnect or to door switch or main PWB repair disconnected the connector Is DOOR SWITCH Replace the ASSEMBLY broken DOOR SWITCH ASSEMBLY Note Environmental check list 1 The machine must operate with all the doors completely closed and locked 2 The washing area must operate with a water temperature not higher than 45 Celsius and must not have more amount of supplied water Does the spring of Latch Replace than it should Hook actuate Door Assembly 28 UNBALANCE ERROR Is displayed OVER FLOW ERROR 15 displayed Yes Yes When you press both Check the AIR WASH RINSE button and CHAMBER DELAY WASH button and the tube simultaneously is the clogged water level frequency over 21 3kHz Does the laundry lean Put laundry toward one side not evenly Yes gt evenly put in the DRUM assembly In the DRUM assembly Adjust the height of washing machine to be kept Is the washing machine installed at an angle horizontally If the inlet Does the inlet valve work valve work Note Environmental check list when the power is not continuously 1 Removal of transportation based fixed bolt 2 Confirmation on the material to see if it is capable of handling two different
35. set CHILD LOCK lights and all buttons are disabled except the POWER 9 button You can lock the controls of the washer while washing e CHILD LOCK lasts after the end of cycle If you want to deactivate this function Press and hold the STAIN CARE button for 3 seconds 2 8 WATER CIRCULATION When washing and rinsing function of shower at the upper part of Gasket e When washing it continuously operates for 3 minutes and intermittently e When rinsing it continuously operates after completion of water supply 2 9 STEAM For tough stained clothes sick room linens or baby clothes Steam Wash is available with Sanitary Bulk Large Perm Press Cotton Normal and Baby Wear cycles e This option features upgraded washing performance with low energy and water consumption e Do not load delicates such as wool silk and easily discolored clothes 3 PARTS IDENTIFICATION Shipping Blots gt Power Plug e f the supply cord is damaged it must be replaced by the manufacturer or its authorized service technician in order to avoid a hazard Control Panel Door Cleaning Nozzle Water Circulation amp Steam Nozzle Drum Light Drum Drain Hose Dispenser a NCC Door Seal Back of Washer Cold Water Inlet Hot Water Inlet 5 Drain Plug Drain Pump Filter Hoses 1 Hot and 1 Cold Air Vent for Safety B ACCESSORIES Lower Cover Cap 4 Hot and Non skid pads for covering
36. ve the main PWB or LLI gt O LLI A 27 Ps dA 50 DISPENSER ASSEMBLY 1 Disassemble the top plate assembly 2 Pull out the drawer 3 Push out the dispenser assembly after unscrewing 2 screws 4 Unscrew the clamp nut at the lower part of the dispenser 5 Disassemble the 4 connectors from the valves Wire Color CD Blue Housing YL BK 2 Red Housing VT BK 3 White Housing WH BK 4 Blue Housing GY BK 5 Red Housing BL BK 6 Unscrew 2 screws from the back of the cabinet 1 Disassemble two or three connectors from the noise filter 2 Unscrew a screw from the top bracket 51 CABINET COVER 1 Unscrew the 5 screws from upper of the cabinet cover 2 Unscrew the screw from filter cover 3 Puta flat screwdriver or putty knife into the hinge slots at the bottom of the cover and pry it out 4 Unscrew the screw from the lower side of the cabinet cover 52 53 5 Open the door 6 Disassemble the clamp assembly 7 Tilt the cabinet cover Disconnect the door switch connector NOTE When assembling the CABINET COVER connect the door switch connector 9 Lift and separate the cabinet cover Disassemble the clamp assembly 4 Disassemble the gasket DOOR DOOR LOCK SWITCH ASSEMBLY 54 1 Open the door 2 Unscrew the 4 sc
37. y until the desired setting is on e Press repeatedly to adjust the volume of the Beeper 13 5 2 Cycle Guide The cycle guide below shows the options and recommended fabric types for each cycle Available option EXTRA STAIN WATER WASHIRINSE RINSE CARE PLUS STEAM 1 WASH RINSE PRE CYCLE FABRIC TYPE AD SPIN SPEED SOILLEVEL i Heavily soiled SANITARY underwear work clothes diapers etc Low BULKY Large items such as Warm Warm LARGE blankets and comforters Hot Cold Medium Heavy Cold Cold No Spin Light Dress shirts pants Warm Cold PERM wrinkle free clothing Warm Warm High H PRESS poly cotton blend Hot Cold No Spin clothing tablecloths Cold Cold Low 19 Warm Col Extra High Hot Cold No Spin Heavy Cold Cold Extra High No Spin COTTON Cotton linen towels NORMAL shirts sheets jeans mixed loads Cotton underwear Extra High pillow covers No Spin bed sheets baby wear Low Medium Heavy soiled Cotton Warm Warm Fabrics Hot Cold Cold Cold Warm Warm Towels Heavy Cold Cold HAND WASHI Items labeled Warm Cold Dress shirts blouses nylons sheer or lacy Warm Cold No Spin Heavy Lightly soiled clothing and small loads Cold Cold Warm Cold Warm Warm Rinse and Spin i Cold Cold Extra High WHITES White Fabrics Warm Cold No Spin Warm Warm This cycle is designed to remove a mildewy or musty smel
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