SERVICE MANUAL - Appliance Factory Parts
Contents
1. H TTT 51 222 67 lt 4 a 6 LLON DI 8 N on 1137 1 2 mr IE 454411 1114 c 11111 K A 1 gt af oll fel gt pet EEE Sanitary Cotton Normal Bulk Delicates 1 111 gt LL 70 4 2 Baby Wear memes i a 2 ame Hand Wash gt Wool zei a Ne gt 11141 M MM I oeneosen 1 mol 24 P dili Speed Wash gt SST mE en ete MM 1 4 I gt 22 IL 19 al ee Drain Spin Wash Rinse Spin BEE 5 The total working time will vary with the load size water temperature and ambient temperature Wash time is in minutes2. S ulog 1891 S ulog 15691 OSL S 1 guld GOZEZSIEZAW N 91 9 Feurj eseg OGL S 1 1591 CC 1 TWNINHSL 6 1 HOLO3NNOO Nid u ONISNOHFTYNINKEL 0503 TWNNEL 0608 IL HOSN3S ettet 2 601 d LZZ 0382 85 2 56 4 6021 0386 2 0 4 891 IV 0388 2 09 4 071 IV 03121 2 0 4 901 IV 03198 2 0 4 98 IV 53 966 1598 OO Lud HM OO HM Sjulog 1891 YOLSINYSHL 6581 21 Oc L 9 0 LL i 101514119141 useA mi je S vje e t ii 98 18 IW __ od T useM zuld 9EA L Uld TA 10 614191 USEM 4o1siu49u Jayeay useM zuld 11016181 19 8 81 21 vn 81411480 9eA utd INVHOVICGJ 1 VN 106496 AL 0 duing 1010JN peddojs JOH G AOC Buiuuni yoes q Euld uid USEM vlg Old culd 14 144 VN 4000 UOWWOD
3. Uld VN 9A EA 19 U 22 8 4 TROUBLESHOOTING WITH ERROR INLET VALVE ERROR Is displayed Yes When you press both CUSTOM button and PRE WASH button simultaneously is the water level frequency below 24 6 kHz Refer to 7 3 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 Check the AIR CHAMBER and the tube clogged Clean or replace the filter Reconnect or repair the connector Replace the INLET VALVE ASSEMBLY 23 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 NA4 BL3 BL4 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 below 24 6 kHz Refer to 7 3 Yes SWITCH Replace the MAIN PWB ASSEMBLY Note Environmental safety check list 1 No water tap leakage 2 No water tap freeze No entanglement of water supply hose No water
4. Website http www LGEservice com E mail http www L GEservice com techsup html WASHING MACHINE SERVICE MANUAL A CAUTION HEAD THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT MODEL WM2455H WM2301H MAR 2007 PRINTED IN KOREA P No MFL30599107 5 ana cr 3 2 FEATURES AND TECHNICAL EXPLANATION 2 4 9 7 A INSTALLATION AND TEST zusagen ek 8 55 ORERATION a 11 CONTROL PANEL FEATURES 11 52 GEE GUIDE nee 13 5 3 OP EGIAL FUNG TIONG dee ee 14 5 4 EXPLANATION OF EACH PROCESS eaaa 15 6 WIRING DIAGRAM PROGRAM 17 o TqESTIMODE nc 19 7 12 CAUTION Memes 19 T2 EOAD TEST MODE u nennen 19 7 3 HOW TO CHECK THE WATER LEVEL FREQUENCY 19 8 TROUBLESHOOTING san ee ae 20 PE zie gue mms 20 9 2 ERROR MODE SUMMARY 20 9 9 TROUBLESHOOTING SUMMARY sen 22 8 4 TROUBLESHOOTING WITH 23 8 5 TROUBLESHOOTING ige 30 9 COMPONENT TEST
5. Replace Yes the ROTOR Is rotor magnet cracked motor drive connector part of main PWB assembly RD4 NA1 Is the resistance values Replace in the range of 5 to 15 No the STATOR U V V W W V 0 1 V 2 W 3 After pull out the RD4 connector check the terminal of the connector in wire Red 3P male Motor Drive RD4 Hall sensor NA1 part of wire Replace the Hall sensor Is hall sensor out of order Refer to 9 3 Stator assembly Hall sensor Motor Drive Hall Sensor Check the IPM in the Replace the controller MAIN PWB ASSEMBLY 26 DOOR OPEN ERROR Is 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 No 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 27 UNBALANCE ERROR OVER FLOW ERROR Is displayed Is displayed Yes Yes When you press both Check the AIR CUSTOM butt
6. 4 D X 3811 46 5019 46 D door open DELAY WASH up to 19 hours DOOR SWITCH TYPE WATER LEVEL PTC Solenoid 10 steps by sensor LAUNDRY LOAD SENSING Incorporated ERROR DIAGNOSIS Incorporated AUTO POWER OFF Incorporated CHILD LOCK Incorporated RLM ENABLE _ STEAM 2 FEATURES amp TECHNICAL EXPLANATION 2 1 FEATURES Ultra Capacity Er E The Larger drum enables not just higher head drop and stronger centrifugal force but also less tangling and wrinkling of the mn laundry Heavier loads such as king size comforters blankets and curtains can be washed Direct Drive System The advanced Brushless DC motor directly drives the drum without belt and pulley Tilted Drum and Extra Large Door Opening Tilted drum and extra large opening make it possible to load and unload clothing more easily B RollerJets Washing ball enhances the wash performance and reduces damage to the clothing The jets spray and help tumble clothes to enhance washing performance while maintaining fabric care 75 9 Automatic Wash Load Detection 4 Automatically detects the load and optimizes the washing time Built in Heater Internal heater helps to maintain water temperature at its optimum level for selected cycles Child Lock The Child lock prevents children from pressing any button to change the settings during operation 2 2 NEURO FUZZY WASHING TIME OPTIMIZATION
7. 60sec Optional Cycle Pre Setting Time Water Supply 60 sec Drain Basic Cycle 7 TEST MODE 7 1 SAFETY CAUTION There s built in 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 WASH RINSE and SPIN SPEED buttons simultaneously 2 Press the Power o button while the above condition Then buzzer will sound twice 3 Press the Start Pause button repeatedly to cycle through the test modes Check Point None Turns on all lamps and locks the door 1 time Tumble clockwise 2 times Low speed Spin 3 times High speed Spin rom 105 115 Inlet valve for prewash turns on Water level frequency 225 265 Water level frequency 225 265 Water level frequency 225 265 Drain pump turns on Water level frequency 225 265 12 7 3 HOW TO CHECK THE WATER LEVEL FREQUENCY Press the CUSTOM and PRE WASH buttons simultaneously The digits indicate the water level frequency For example if the display indicate 41 th
8. 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 the best selected washing rinsing time washing temperature performance spin rhythm time SENSING PROCESSING 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 If 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 NOT BE OPENED e While program is operating When a power failed and power plug is taken out in operation While Door Lock lights turn on e While the motor is in the process of intertial rotating through the operation is paused 2 6 DOOR LOCKED LAMP LIGHTS e 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 and water level is
9. 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 24 HEATING ERROR Is displayed Yes Is the connector connected Heconnect or to 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 Is the connector connected to Heconnect or thermistor disconnected or disassembled repair the connector Yes Wash thermistor 25 Replace the THERMISTOR ASSEMBLY Is thermistor resistance out of range about 39 5 at 30 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 Yes 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 displayed Yes Check the connectors below Reconnect Y Is the connector disconnected Yes the connector Vil or disassembled connector es motor hall sensor connector wire motor
10. 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 2 7 CHILD LOCK Use this option to prevent unwanted use of the washer Press and hold PRE WASH button for 3 seconds to lock unlock control When child lock is set CHILD LOCK lights and all buttons are disabled except the Power button You can lock the controls of the wash while washing 3 PARTS IDENTIFICATION Shipping Bolts Power Plug 27 If the supply cord is damaged it must be replaced by the manufacturer or its authorized service technician in order to avoid a hazard of Control Panel a sy woo PERM PF y HAND WAS ven orTON NORMAL spero WAS gt w gt 7 Drain Hose Drum Light Back of Washer Drum _4 Seal Cold Water Inlet Dispenser Door Air Vent for Safety Hot Water Inlet Lower Cover VES gt Adjustable Feet Drain Plug Drain Pump Filter SEF Hot Cold 1 each Wrench Tie strap Hose for removing shipping bolts to secure drain hose to standpipe and leveling the washer inlet hose or laundry tub Hose retainer Cap 4 each 0 to cover the holes created after removing the shipping bolts a O 4 INSTALLATION amp TEST 1 Before servicing ask the customer what the trouble is Ch
11. rather than being attached to it Test points Windings HALL SENSOR 38 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 Result sensor 3 2 4 1 3 5 Ben If measuring voltage from the Main 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 Vdc If 10 to 15 Vdc is present control board white wire and gray wire are OK If not follow testing output voltages on control board in next section 5 5 39 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 Vdc If 10 Vdc 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 Vdc from red to gray If pulsing 10 Vdc is measured from 1 to 4 and 2 to 4 hall sensor is OK If either test netted only 9 to 10 Vdc without changing no pulsing the hall
12. sensor 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 Main PCB Assembly and 2 1 2 Result Hall Sensor Unplug power cord 3 4 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 power button DO NOT PRESS START Place meter leads on White amp Gray wires You should read 10 to 15 Vdc output from the Main PCB Assembly to the Hall sensor If no 10 to 15 Vdc 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 Vdc Place meter leads on Red to Gray Turn motor rotor slowly by hand You should measure a pulsing 10 Vdc If both tests measure a pulsing 10 Vdc 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 amp blue wires for continuity Repair or replace harness as needed 40 9 4 PUMP MOTOR ASSEMBLY Wiring diagram Pump Driving circuit For Drain Drain Pump Test Points 1 to 2 10 20 41 9 5 INLET VALVE ASSEMBLY Wi
13. 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 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 and the start pause button in sequence When the machine is spinning in high speed verify that it is stable If it is not 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 2 Adjustable feet SR 32 DETERGENT DOES NOT FLOW IN Refer to NO WATER SUPPLY Check the wiring Prewash Is water supplied Are receptacles correctly connected to the terminals of the INLET VALVE ASSEMBLY Put the detergent in the correct place Has detergent been put in the correct compartment of the dispenser Pre wash Main wash JAEN acai E Detergent 1 2 Liquid chlorine Bleach Compartment Is the detergent caked or hardened Liquid fabric Softener Compartment Prewash Compartment Clean the dispenser 1 2 3 4 Main Wash Compartment 33 LIQUID DETERGENT SOFTENER BLEACH DOES NOT FLOW IN Prewash Refer to Is water supplied NO WATER SUPPLY Check the wiring on the dispenser Are the plugs correctly connected to the terminals of the INLET VA
14. the WATER PLUS button again for 3 seconds to turn the beeper back on 14 5 4 EXPLANATION OF EACH PROCESS Electrical power is supplied e Washer is ready to work and the micom is in the active mode e After loading laundry and selecting a course and a cycle water is 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 amp washing e If water amount is insufficient at this time the Inlet valve will supply laundry water again Heating amp The heater heats the water in drum to the selected water temperature washing and drum rotates for washing Washing When the water temperature reaches to the selected temperature the amp heating heating stops and only the drum rotates washing e If water temperature becomes lower than selected because of re supplied water the heating starts again 7 Washing Fuzzy Logic decides washing time according to the laundry load water temperature and other factors Drainage e 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 Untangling e It balances laundry load and senses the eccentricity of the loa
15. Connect the power plug to the outlet Connect the inlet hose e Listen for a click to determine if the door has locked Check the automatic reverse rotation Check the water heating function 4 Check the water supply Check if water is supplied through the detergent dispenser Check if the drum rotates clockwise and counterclockwise Press the WASH RINSE button and the present temperature will be displayed Press the Q Check the drain and spin START PAUSE button functions e Power off and the power on Press the SPIN SPEED button Press the START PAUSE button Check the spin and drain functions e Listen for a click to determine f SERVICE is needed during check remove the remaining if the door is unlocking water by pulling out the hose cap 10 5 OPERATION 5 1 CONTROL PANEL FEATURES E WM2455H WM2301H BABY WEAR PERM PRESS DELICATES COTTON NORMAL BULKY LARGE SPEED WASH SANITARY DRAIN SPIN 11 CUSTOM PROGRAM PROCESSING EST TIME REMAINING o e PRE WASH CHILD LOCK TUB CLEAN SPINSENSE M BEEPER ON OFF Press amp Hold 3sec for Extra Functions NORMAL DELAY WASH OM RINSE SPIN EXTRA RINSE STAIN CYCLE WATER PLUS LOAD SIZE O O m Delay Wash CUSTOM PROGRAM E
16. ING INFORMATION 2 35 9 1 FILTER ASSEMBLY LINE FILTER 35 9 2 DOOR LOOK SWITCHASSEMBEY a an leap eue 36 9 0 STATOR ASSEMBLY nun u a ea 38 9 4 PUMP MOTOR ASSEMBEY a 41 9 5 INGE T VALVE ASSEMBLY en 42 960 HEATER ASSENBIT 50 een 43 97 IHERMSTORASSEMBLN as diee etude hd 44 10 DISASSEMBLY INSTRUCTIONS ei el 45 IIEXPLOBEDMEW tus VUES ta en 51 11 1 CABINET AND CONTROL PANEL ASSEMBLY 51 11 2 DRUM ANID TUB ASSEMBLY E xoci dor vane 52 11 3 DISPENSER ASSEMBLY era 53 1 SPECIFICATIONS ITEM COLOR WM2455H WM2301H W BLUE WHITE G PEARLY GRAY R CANDY APPLE RED POWER SUPPLY AC 120 V 60 Hz PRODUCT WEIGHT 192 Ibs 87kg WASHING 280 W ELECTRIC POWER DRAIN MOTOR 80 W CONSUMTION WASH HEATER 1000 W WASH 46 rpm REVOLUTION SPEED SPIN 0 1200 rpm CYCLES 9 WASH RINSE TEMPERATURES 5 SPIN SPEEDS A OPTIONS Prewash Rinse Spin Extra Rinse Water Plus Stain Cycle WATER CIRCULATION OPERATIONAL WATER PRESSURE 14 5 116 psi 100 800 kPa CONTROL TYPE Electronic WASH CAPACITY cu ft 3 63 4 2 IEC DIMENSIONS 27 W X 293
17. LL 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 52 11 3 DISPENSER ASSEMBLY HOT RED 675 COLD BLUE
18. LVE ASSEMBLY Put it in the correct compartment Is liquid detergent softener bleach put in the correct compartment of the drawer a 1 2 1 Liquid chlorine Bleach Compartment 2 Liquid fabric Softener Compartment 3 Prewash Compartment 4 Main Wash Compartment Clean the cap and Is the liquid detergent softener bleach cap clogged container E NA E 4 Is the motor bolt loosened Secure the bolt Check hall sensor Is there friction noise coming from the motor Replace If defective Then check stator Replace if necessary Check rotor for broken magneis Replace rotor if necessary 34 9 COMPONENT TESTING INFORMATION A 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 diagram MAIN PWB ASSEMBLY points and Result Test Points WH 1 to RD 3 WH 8 to RD 1 9 2 DOOR LOCK SWITCH ASSEMBLY Wiring Circuit in the MAIN PWB Wiring Diagram diagram Function The Door Lock Switch Assembly consists of a Heating PTC a Bimetal a Protection PTC and a Solenoid It locks the door during a wash cycle 1 Operation for door closing After the system turns on PTC heating starts up through terminal 2 4 s authorizing the power on After PTC heating starts up and before sole
19. ST TIME REMAINING Delay Wash allows the start of any cycle to be delayed for 1 19 hours This display shows CUSTOM PROGRAM allows you to store a customized wash cycle a the estimated time remaining for future use in the cycle when operation b an error code when an error has been detected DOOR LOCKED lamp Light whenever the door of the washer is locked The door can be unlocked by pressing the Start Pause button to stop the washer BA BY WEAR Press amp Hold 3sec for Extra Functions 3 DELICATES PERM PRESS PROCESSING EST TIME REMAINING UN CUSTOM DELAY WASH COTTON NORMAL HAND WASH WOOL C ILI LILI T PROGRAM BULKY LARGE x PRE WASH RINSE SPIN EXTRA RINSE STAIN CYCLE WATER PLUS LOA SPINSENSE e SPEED WASH CHILD 2 SIZE X TUB CLEAN BEEPER ON OFF SANITARY DRAIN SPIN MEDIUM NORMAL POWER button START PAUSE button OPTION button e Prewash Use this option for loads that need pretreatment It adds 16 minutes prewash and drain e Rinse Spin Use this option to rinse and then spin e EXTRA RINSE Select this option to rinse and spin a load separately from a regular cycle e Stain Cycle Add time to the wash and rinse for better stain removal Automatically provide a rinse e WATER PLUS Select this option to add extra water to the wash and rinse cyc
20. by Wear Lightly soiled ice baby wear o Spin 5 Low Medium Cotton Normal Dress shirts blouses Cold Cold Medium Delicates nylons sheer or lacy Warm Cold No Spin garments Warm Warm Low Light Hand Wash Wool Items labeled Low hand washable Warm Cold Medium Light Warm Warm No a Hot Cold Extra Speed Lightly soiled clothing Cold Cold Normal Wash _ and small loads Warm Cold Heavy Warm Warm igh Drin Drain Spin Only Spin Medium NOTE To protect your garments not every wash rinse temperature spin speed soil level or option is available with every cycle 13 5 3 SPECIAL FUNCTIONS The option buttons also activate special functions including CHILD LOCK LOAD SIZE TUB CLEAN and SPIN SENSE Press and hold the option button marked with the special function for 3 seconds to activate CHILD LOCK PRE WASH CHILD LOCK LOAD SIZE RINSE SPIN LOAD SIZE TUB CLEAN EXTRA RINSE TUB CLEAN SPIN SENSE e STAIN CYCLE SPINSENSE 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 CHILD LOCK CHILD LOCK will be shown in the display and all controls are disabled except the ON OFF button The washer can be
21. d 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 15 Z O Process Explanation Intermittent To reach the correct set speed the motor rotates clockwise and spin counterclockwise directions after spin process starts 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 e Removing suds process is in active mode at this cycle Remaining e After spin finishes the drum rotates by remaining spin power until it stops spin Motor power is off e 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 rinse hold is selected the drainage is not proceeded after rinse finishes Disentangling After spin finishes disentangling starts to remove unbalanced laundry End After end signal is displayed it stays for 8 seconds and power is automatical
22. e water level frequency is 20 41X0 1 24 1 kHz 19 8 TROUBLESHOOTING 8 1 SAFETY CAUTION There s built in 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 8 2 ERROR MODE SUMMERY 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 Incase of FE EE 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 in the case power will not be turned off ERROR SYMPTOM CAUSE Correct water level 246 is not reached within 8 minutes after water is supplied or it does not reach the preset water level within 25 minutes WATER INLET ERROR The load is too small IMBALANCE The appliance is tilted Laundry is gathered to one side Non distributable things are put into the drum Not fully drained within 10 minutes Water is overflowing water level frequency is over 213 x If is displayed the drain pump will operate
23. eck the setup power supply is 120V remove the transit bolts level the washer Check with the troubleshooting guide 4 Plan your service method by referring to the disassembly instructions Service the unit 6 After servicing operate the appliance to see whether it functions correctly 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 with the supplied wrench Do first lower side to remove easily Turn the leveling feet to adjust the appliance Keep the shipping bolts and spanner for future use Insert the 4 caps provided into the hole e Turn clockwise to raise counterclockwise to lower HOW TO CONNECT THE INLET HOSE Verify that the rubber washer is inside of the valve connector Tighten the inlet hose securely to prevent leaks CONNECT THE DRAIN HOSE I tm 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 as doing so may cause a fire Connect the power plug to the wall outlet 7 TEST OPERATION Preparation for 2 Press the POWER button washing Press the Start Pause button
24. eplace the MAIN PWB ASSEMBLY reinsert the connectors correctly NO POWER Is the supplied voltage Check the 120V AC 10 15 fuse or reset the circuit breaker Is LED on while the power Replace the MAIN PWB ASSEMBLY Main LED Is three pin wire of Replace the display PWB broken DISPLAY ASSEMBLY Is the current rating of Alternate with multi outlet power strip explanation enough Avoid connecting several electric devices Is the connector connected Reconnect to PCB Noise filter or repair disconnected or the connector disassembled Connecting connector MAIN PWB Display PWB 30 BUTTON DOESN T WORK Reconnect or Is the connector connected to Main PWB Display Yes Repair PWB disconnected or disassembled the connector Is the display PCB broken Replace the check the buzzer sound Yes DISPLAY and LED light while push PWB the button ASSEMBLY Is the button of panel stuck Repair the button 31 VIBRATION amp NOISE IN SPIN Remove the transit bolts and Base packing Have all the transit bolts and base packing been removed Move the washer or reinforce the floor Is the washer installed on a solidly constructed floor 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 Put an unbalance part rubber inside of drum and
25. f the canbinet cover 2 Unscrew the screw from filter cover 3 Put a 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 48 Open the door 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 0 Disassemble the gasket 49 MOTOR DAMPER HINGE DAMPER 50 Disassemble the back cover 2 Remove the bolt 3 Pull out the Rotor 0 Unscrew the 2 screws from the tub bracket 2 Remove the 6 bolts on the stator 3 Unplug the 2 connectors from the stator Disassemble the damper hinges from the tub and base NOTE If you pull the dampers apart the must be replaced If you do not separate them they can be re used 11 EXPLODED VIEW 11 1 CABINET amp CONTROL PANEL ASSEMBLY 5 9 6 a o 2 S 9 E 11 2 DRUM amp TUB ASSEMBLY HO T Kas P ad di num In case of replacing THERMISTOR of HEATER ASSEMBLY K320 replace HEATER ASSEMBLY K320 HEATER ASSEMBLY K320 includes THERMISTOR In case of replacing BEARING BA
26. he machine before disassembling and repairing the parts CONTROL PANEL ASSEMBLY TOP PLATE ASSEMBLY D Unscrew 2 screws on the back of the top plate 2 Pull the top plate backward and upward as shown 3 Disconnect the Display PWB assembly connector from trans cable 4 Pull out the drawer and unscrew 2 screws 5 Remove one screw Lift the side the control panel assembly and pull it out DISPLAY C2 Unscrew the 8 screws from the control panel PWB ASSEMBLY assembly Disassemble the Display PWB Assembly 45 MAIN PWB ASSEMBLY SWITCH ASSEMBLY Disconnect the POWER connector and SENSOR 2 Remove the Protective cover 4 Unscrew 1 screw on the back 3 Disconnect the connectors 5 Remove the Main PWB 25 QUII UNG SENS f mm mm um um mu um um 46 DISPENSER ASSEMBLY D 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 D Blue Housing YL BK 2 White Housing WH BK 3 Blue Housing GY BK Red Housing BL BK 6 Unscrew 2 screws from the back of the cabinet CD Disassemble two or three connectors from the NOISE FILTER 2 Unscrew a screw from the TOP BRACKET 47 CABINET COVER CD Unscrew the 5 screws from upper o
27. les for superior results especially with large or bulky items Use this button to start stop the washer Use this button to turn power On Off CYCLE SELECTOR Wash Rinse temp Spin speed Soil Level Rotate the cycle selector knob Select a water temperature based on the type of load you are washing to select the cycle designed for To change the spin speed press the Spin Speed button repeatedly different types of fabric and to cycle through available options soil level To change the soil level press the Soil Level button repeatedly until the desired setting is on 12 5 2 CYCLE GUIDE The cycle guide below shows the options and recommended fabric types for each cycle Wash Rinse Rinse Stain 222 an Extra Hot Cold High Heavily soiled Extra High Heavy Sanitary underwear work Spin Light clothes diapers etc Low Medium i Warm Cold Bulky Large Large items such as ium Heavy blankets and comforters Hot Cold in Light Cold Cold Cotton linen towels Warm Warm Extra Heavy shirts sheets jeans Hot Cold No Spin Light mixed loads Cold Cold Low Medium Dress shirts pants Warm Cold Medium Perm Press wrinkle free clothing Warm Warm High Heavy poly cotton blend Hot Cold No Spin Light clothing tablecloths Cold Cold Low Extra Hot Cold High Hot Cold Extra High Light Ba
28. locked during a cycle At the beginning of the cycle the washer tumbles the load and detects the weight of the clothes The display will indicate the approximate load size in the LOAD SIZE display This allows you to Adjust the amount of detergent and other additives for best results and improved efficiency A buildup of detergent residue can occur in the wash tub over time and can lead to a mildew or musty smell The TUB CLEAN cycle is specially designed to remove this buildup Press and hold the EXTRA RINSE button for 3 seconds to activate this cycle The display will show a message to add liquid bleach to the dispenser After the cycle has ended open the door and allow the drum interior to dry completely NOTE Do NOT use this cycle with clothes and do NOT add detergent or fabric softener To activate SPINSENSE While the washing machine is runnung in any cycle press and hold the STAIN CYCLE button for 3 seconds The SPIN SPEED button light will blink while the washer is running to show that SPINSENSE is active The SPINSENSE function will remain active for every cycle even after a power failure To cancel SPINSENSE Press and hold the STAIN CYCLE button for 3 seconds to turn off the SPINSENSE function BEEPER ON OFF WATER PLUS BEEPER ON OFF You may turn the end of cycle beeper on or off with the WATER PLUS button during the cycle Press and hold the WATER PLUS button for 3 seconds to turn the beeper off Press and hold
29. ly 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 16 6 WIRING DIAGRAM PROGRAM CHART 60cec8lLEZAW A s 1 6 i 422 1 HOLOANNOD Nid U u mcer ONISNOH TYNINUAL 0608 e 068 gt SE BBC is xm GSIHMI LA HM HOLSINHIHL 1121 51 lzlelrIs Hn 18 HM dd TeTeTelyy LA hd HM dd HM 119 jet 95762 62 k tlele 2 vjejejt 918186 684 8 4 olse jeje NIV 2191819161011 8121918171611 fsfv jele vn 81411450 81411650 ONISIM 1 Intermittent Spin 1 5 Disentangle D T Water Supply W S PROGRAM CHART Rinse Wash o alef D 51 x LU 5 0 x gt O o 0 Rinse i fo 0 601 di D 0 m 210 222 mE IwIs Sj 1 gt o S ZE aa frz faa fra fas fre faz fre fro 3 m d pe Loooeeeeens NE M 55 un un un 0 2
30. noid operation is driven force the system 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 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 36 37 9 3 STATOR ASSEMBLY Wiring Circuit in the MAIN PWB Wiring Diagram diagram I Y The DD motor 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
31. on and CHAMBER PRE WASH button and the tube simultaneously is the clogged water level frequency over 21 3kHz Refer to 7 3 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 horizontally Is the washing machine installed at an angle If the inlet Note Environmental check list Does the inlet valve work valve work 1 Removal of transportation based fixed bolt when the power is not continuously 2 Confirmation on the material to see if it is capable applied when the power of handling two different types of blanket materials is applied Replace the Replace the MAIN PWB INLET VALVE ASSEMBLY ASSEMBLY PRESSURE SENSOR ERROR Is displayed Is the connector connected to pressure sensor disconnected or disassembled Is the resistance of the pressure sensor out of range pin 1 pin 3 21 23 10 Is the AIR CHAMBER the tube clogged Replace the MAIN PWB assembly Yes Reconnect or repair the connector Replace the pressure switch Fix the air chamber and remove the foreign material 29 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 r
32. ring diagram PCB Inlet valve driving circuit CONNECTOR Az E ye Wt BH 21 VV Il 12134 4 321 1234 BL4 112 3 14 3211 21314 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 u Test points 1 2 42 9 6 HEATER ASSEMBLY Wiring diagram MAIN PWB X71 X134 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 Wash Heater Wash Heater Test Points Result 1 to 2 12 18 Q 43 9 7 THERMISTOR ASSEMBLY Wiring diagram MAIN PWB WASH THERMISTOR The thermistor temperature sensor is used to monitor water temperature in the tub or Steam Generator Test Test Result Remarks points tolerance 5 o 1 86 F 30 to At 104 F 40 C 2 At 140 F 60 C At 158 F 70 C At 203 95 C At 221 F 105 C Wash Thermistor 44 10 DISASSEMBLY INSTRUCTIONS Be sure to unplug t
33. shortage No shrinkage on water supply hose due to a possible misuse of hot and cold water 6 No water supply hose leakage i 3 4 5 DRAIN ERROR Is the coil of the drain Replace the Is displayed pump too high or low DRAIN resistance of the coil PUMP Yes is 10 200 ASSEMBLY Refer to 9 4 Pump motor Is the connector connected Heconnect or assembly to pump motor assembly Yes jrepair disconnected or the connector disassembled Replace the MAIN PWB Is the voltage between connectors out of range BL4 1 BLS 1 After remove Terminal Position Assurance TPA of connector check as follows And if you finish to measure the valve You should put TPA as original form Bu ASSEMBLY Pump running 120 5 Stopped Motor Pump 0 1V Method 1 Press the Power button while the SPIN SPEED button and WASH RINSES 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 When you press both Check the AIR CUSTOM button and CHAMBER PRE WASH button the tube simultaneously is the clogged water level frequency and press below 26 0 kHz switch Refer to 7 3 Note Environmental check list 1 The drainage hose must not stay in a lower position 2 The drainage
34. to drain the water automatically PRESSURE SENEOR The SENSOR SWITCH ASSEMBLY is out of order ERROR Door not all the way closed DOOR OPEN Loose electrical connections at Door switch and PWB ERROR Assembly The DOOR SWITCH ASSEMBLY is out of order HEATING ERROR The THERMISTOR is out order 20 EEPROM ERROR POWER FAILURE LOCKED MOTOR ERROR e The connector 3 male white in the MOTOR 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 The hall sensor is out of order defective EEPROM is out of order x Displayed only when the START PAUSE button is first pressed in the Load Test Mode e After the power supply is stopped while washing machine is working the power is supplied rapidly 21 8 3 TROUBLESHOOTING SUMMARY jeu is Buisind PAOL tuld guld jeu is Buising 9pAOL tuld eBeyoA SL OL 9 90 4 22 WV 06 09 O cL 8 S ld 9 92 4 22 1 50081 00 502 01 07 21 8
Download Pdf Manuals
Related Search