LG WM1355HR, Service Manual

Page 1: ...WASHING MACHINE SERVICE MANUAL READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE MODEL WM1355HR WM1355HW CAUTION ...

Page 2: ...Jul 2006 PRINTED IN KOREA P No MFL30574762 ...

Page 3: ...CY 13 7 4 HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION 13 7 5 ERROR DISPLAY 14 8 ERROR DIAGNOSIS AND CHECK LIST 16 8 1 DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION 16 8 2 FAULT DIAGNOSIS AND TROUBLE SHOOTING 19 9 DISASSEMBLY INSTRUCTIONS 25 10 EXPLODED VIEW AND PARTS LIST 33 10 1 THE EXPLODED VIEW OF CABINET ASSEMBLY 33 10 2 THE EXPLODED VIEW OF CONTROL PANEL AND DISPENSER A...

Page 4: ...WASH PROGRAM Cotton Cotton Quick Synthetic Delicate Wool Hand Wash Quick30 Baby Care RINSE Normal Rinse Rinse Rinse Hold Normal Hold DOOR SWITCH TYPE Bi Metal type WATER LEVEL 10 steps by sensor RESERVATION From 3 hours to 19 hours SENSING OF THE LAUNDRY AMOUNT Adapted FUZZY LOGIC Adapted DISPLAY OF THE REMAINING TIME Adapted ERROR DIAGNOSIS 10 items POWER AUTO OFF Adapted CHILD LOCK Adapted AUTO ...

Page 5: ...emperature on selected cycles Child Lock The Child lock prevents children from pressing any button to change the settings during operation More economical by Intelligent Wash System Intelligent Wash System detects the amount of load and water temperature and then determines the optimum water level and washing time to minimize energy and water consumption Low noise speed control system By sensing t...

Page 6: ...r level in the tub Water supply is stopped when the water level to the preset level then washing program proceeds Spinning does not proceed until the water in the tub reduces to a certain level 2 4 THE DOOR CAN NOT BE OPENED While program is operating While Door Lock light turns on 5 FUZZY LOGIC laundry amount selected washing temperature water temperature washing time rinsing time spin rhythm tim...

Page 7: ...Inlet hose 1EA Option Hot Cold 2EA Spanner 3 PARTS IDENTIFICATION 6 ACCESSORIES Drawer ...

Page 8: ...whether it works O Kor NOT STANDARD INSTALLATION The appliance should be installed as follows REMOVE THE TRANSIT INSTALL THE APPLIANCE ADJUST THE BOLTS ON FLAT AND FIRM SURFACE HORIZONTAL Remove the transit bolts Turn the leveling feet to 4EA with supplied spanner set the appliance horizontally Keep the transit bolts and spanner for future use Insert the provided 4 caps into the hole The appliance...

Page 9: ...e firmly to prevent leak CONNECT DRAIN HOSE CONNECT POWER PLUG 8 Make sure that the hose is not twisted The drain hose should be placed under 100cm from the floor Connect the power plug to the wall outlet Avoid connecting several electric devices It may be the cause of a fire Avoid submerging the end of the hose ...

Page 10: ...r off and then power on Check if the door can be opened after 3 minutes Turn off Wash and Rinse after pressing the Start Pause button and start the machine again Check drain and spin Press the Rinse Medic Rinse button simultaneously and the present temperature will be displayed If SVC is needed during check remove the remaining water by pulling out the hose cap Check the water heating Check automa...

Page 11: ... If the laundry is heavily soiled Intensive option is effective Medic Rinse For high effectiveness or more purity in rinse operation you can choose Medic Rinse option Medic Rinse is default in Baby Care program Pre Wash If the laundry is heavily soiled Pre Wash Cotton is recommended Soak Use this mode to wash normal clothes or thick and heavy clothes which are excessively dirty Crease Care If you ...

Page 12: ...ect a water temperature based on the type of load you are washing By pressing the Rinse button the Rinse type can be selected Display the estimated remaining time Hour Minute to finish In case of abnormal operation error indications are displayed See troubleshooting guide To change the spin speed turn the Spin knob to cycle through available options Child Lock LED display Spin Selector knob Tub Cl...

Page 13: ...0 180 120 180 60 180 120 180 60 180 120 180 60 480 180 20 20 8 12 42 8 8 12 12 8 12 8 8 12 42 15 Approx Working Time Minute 20 2 27 68 1 7 56 56 30 E N D A U T O O F F 1 51 1 34 1 31 Rinse Spin Drain Spin D T Extra Stain 4 6 W S Rinse 3 W S Rinse 2 W S Rinse Wash 1 W S Rinse Wash Pre Main W S Wash W S Baby Care Wash Spin Quick 30 Rinse Spin Cotton Synthetic Cotton Quick Delicate Hand Wash Wool 42 ...

Page 14: ...41 10 1kHz 24 1kHz The digits means water level frequency 10 1 kHz Check Point Display Status None Turns on all lamps and locks the door 1 time Tumble clockwise rpm 42 50 2 times Low speed Spin rpm 55 65 3 times High speed Spin rpm 125 155 4 times Inlet valve for prewash turns on Water level frequency 25 65 5 times Inlet valve for main wash turns on Water level frequency 25 65 6 times Inlet valve ...

Page 15: ... water level 246 within 8 minutes after water supplied or not reached to the preset water level within 25 minutes Not fully drained within 10 minutes Water is over flowing over 8 level If is displayed drain pump operates to drain water automatically The sensor pressure switch is out of order In case of operating the reservation function or the other function with door opened Close the door then th...

Page 16: ...RE ASSEMBLY is not connected to the connnector of STATOR ASSEMBLY Reconnect or repair the connector The hall sensor is out of order defective Replace the STATOR ASSEMBLY Water leaks The washer ecperienced a power failure 15 LOCKED MOTOR ERROR POWER FAILURE ...

Page 17: ...ER INLET TROUBLE YES YES YES NO NO YES NO NO Is the power plug connected firmly to 220 240V outlet Power failure or Breaker opened Visit to check Is displayed Is the tap opened Is the tap frozen Is the water supply shut off Is filter in the inlet valve clogged with foreign material Visit to check Clean the filter of inlet valve ...

Page 18: ...CALL NO YES NO YES Started with door opened NO YES Is the debris filter clogged with foreign material such as pin coin and etc Is the drain hose frozen with water kinked or crushed Visit to check Restart the cycle Close the door Visit to check Check if the door switch is O K Is displayed Clean up the filter ...

Page 19: ...e the using amount of detergent Is softener put in the correct compartment of the drawer Is the drawer closed during wash Is the softener cap clogged Explain how to use softener Clean the compartment for softener Visit to check LOW SUDSING 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...

Page 20: ...ce the PWB ASSEMBLY Put in the connectors correctly NO NO YES YES YES NO NO YES PWB ASSEMBLY Power PWB ASSEMBLY MAIN Check the fuse Replace MAIN PWB ASSEMBLY Reconnect the PWB ASSEMBLY Reconnect the PWB ASSEMBLY When measuring the voltage of the outlet is the voltage AC 220 240V Is the led 1 on Is connector 2 disconnected or disassembled Is wire of the PWB ASSEMBLY disconnected Replace PWB ASSEMBL...

Page 21: ...e connector 220 240V Refer to 7 2 QC TEST MODE Is water supplied Are replaceptacles correctly connected to the terminals of the INLET VALVE ASSEMBLY Is detergent put in the correct compartment of the drawer Is the detergent hardened Open the tap Check the AIR CHAMBER and the tube clogged with impurity Clean the filter Replace the INLET VALVE ASSEMBLY Replace the MAIN PWB ASSEMBLY Refer to NO WATER...

Page 22: ...O WATER SUPPLY_ Check the wiring on the dispenser Put it in the correct compartment Clean the cap and drawer Is the motor bolt loosened Is there friction noise from the motor Is water supplied Are receptacles correctly connected to the terminals of the INLET VALVE ASSEMBLY Is softener put in the correct compartment of the drawer Is the softener cap clogged ...

Page 23: ...ore When pressing Rinse and Temp buttons at the same time while wash is the water level frequency between 230 243 Checking voltage between two pins Connector RD YL as press the POWER button is the voltage 220 240V Is the drain hose twisted or frozen Is the impeller of the drain pump clogged Is the connector disconnected disassembled Is the coil of the drain pump cut off resistance of coil is 80 15...

Page 24: ...23 WH RD Refer to the 7 2 QC Test Mode BLUE Option Left and Temp temperature button simultaneously HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE ...

Page 25: ...n pressing Rinse Medic Rinse and POWER buttons at the same time after power off press the Start Pause button 1 times is the drum low speed spin Is it disconnected or disassembled Red 3pin 1 GY 4pin 2 Check the motor connector is the resistance of the terminal same as the figure MOTOR TERMINAL 1 Resistance of terminal About 5Ω Ω 15Ω Ω Replace the MAIN PWB ASSEMBLY Does the spring of Latch Hook actu...

Page 26: ...led Pull out the drawer and unscrew 2 screws Lift the side the Control Panel Assembly and pull it out Two screws is unscrewed Push out PANEL ASSEMBLY CONTROL after Push the hook below The PWB assembly Display is disconnected When 7 screws are unscrewed on the PWB insulator and the PWB assembly Display is disassembled from the PWB insulator CONTROL PANEL PLATE ASSEMBLY TOP PWB ASSEMBLY DISPLAY DRAW...

Page 27: ...op disassembled The cover of PWB assembly Power is removed Push the hook bellow Disconnect connector from the PWB Two screw is unscrewed The plate assembly Top are disassembled Pull the drawer to arrow direction Two screws are unscrewed The hose clamps and the hose are disassembled The ventilation bellows are disassembled on the tub PWB ASSEMBLY MAIN PWB ASSEMBLY POWER DISPENSER ASSEMBLY Dispenser...

Page 28: ...LACK BLACK VALVE NORMAL WASH GRAY BLACK VALVE HOT BLACK WHITE Open the door completely Remove the three screws from the hinge When removing the Door Assembly it is necessary to hold the Bracket that is inner of the Cabinet Cover Pull it out from hose First prepare a bucket to put in the remained water DOOR CAP REMAINING HOSE Removing method of remained water ...

Page 29: ... gasket is released Two screws are unscrewed Unscrew all the screws on the upper and lower sides of the CABINET COVER The plate assembly Top is disassembled Pull out the drawer and unscrew 2 screws Lift the side the Control Panel Assembly and pull it out Two screws is unscrewed Push out PANEL ASSEMBLY CONTROL after Push the hook below ...

Page 30: ...binet cover clamp is removed and the gasket is released Two screws are unscrewed The Door Lock S W is disconnected form the wiring connector and the strap SWITCH ASSY DOOR LOCK NOTE When assembling the CABINET COVER connect the Door S W connector ...

Page 31: ...rs Remove the hinges Damper at the Tub The Hinge Damper at the base is pulled off pressing on the snaps at the sharp end The hinge at the base is pulled off To arrow direction ROTOR ASSEMBLY STATOR ASSEMBLY FRICTION DAMPER Rotor Bolt Friction Damper Hinge Damper ROTOR ASSEMBLY STATOR ASSEMBLY FRICTION DAMPER HOW TO ASSEMBLE THE MOTOR ...

Page 32: ...wed from the cabinet Remove the pump to arrow direction Loosen the nut Remove washing heater by pulling out When assembling the washing heater insert the heater to heater clip on the bottom of tub and check the position of wire color CAUTION 31 Washing Heater Wire Color Red Wire Color Yellow Nut Ring Terminal PUMP HEATER ...

Page 33: ...in etc by inserting long bar in the hole WHEN FOREIGN OBJECT STUCK BETWEEN DRUM AND TUB 32 SWITCH ASSEMBLY SAFETY Unscrew 4 screws from the back cover Disconnect the wiring connector First Press hook and turn the safety switch assembly switch assembly safety ...

Page 34: ... OF CABINET ASSEMBLY 10 EXPLODED VIEW AND PART LIST 33 A102 A104 A106 A101 A110 A100 A430 A410 A450 A455 A200 A201 A220 A460 A133 A276 A275 A440 A134 A135 A310 A300 A130 A131 A141 A103 A303 A150 A140 A154 A153 A152 A151 ...

Page 35: ...10 2 THE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY 34 F160 F220 F120 F225 F300 F321 F462 F430 F441 F432 F210 F110 F216 F215 F324 F170 ...

Page 36: ...BLY 35 F464 K351 K350 K360 K143 K123 K122 K121 K125 K320 K105 K610 K115 K135 K130 K611 K550 F468 K512 K131 K530 F461 K520 K540 F467 K410 K340 K345 K560 K510 K140 K410 K411 F140 F310 F320 F466 K141 K110 K111 K344 F145 K346 K342 K570 K571 K572 ...