LG WD(M)-1070(5)F(H)(B) Service Manual Download Page 1

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WASHING MACHINE

SERVICE MANUAL

READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.

MODEL : WD(M)-8070F(H)(B)

WD(M)-1070(5)F(H)(B)
WD(M)-1170(5)F(H)B
WD(M)-1270(5)F(H)B
WD(M)-1370(5)F(H)B
WD-8078FHB
WD(M)-8074F(H)B
WD(M)-1074(6)F(H)B

WD(M)-1174(6)F(H)B
WD(M)-1274(6)F(H)B
WD(M)-1374(6)F(H)B
WD-1078FHB
WM-1171(6)FHB
WM-1371(6)FHB
WD-1271FB

CAUTION

website : http://www.LGEservice.com

e-mail : http://LGEservice.com/techsup.html

Summary of Contents for WD(M)-1070(5)F(H)(B)

Page 1: ...EL WD M 8070F H B WD M 1070 5 F H B WD M 1170 5 F H B WD M 1270 5 F H B WD M 1370 5 F H B WD 8078FHB WD M 8074F H B WD M 1074 6 F H B WD M 1174 6 F H B WD M 1274 6 F H B WD M 1374 6 F H B WD 1078FHB WM 1171 6 FHB WM 1371 6 FHB WD 1271FB CAUTION website http www LGEservice com e mail http LGEservice com techsup html ...

Page 2: ... KNOW THE WATER LEVEL FREQUENCY 14 8 4 ERROR DISPLAY 15 9 ERROR DIAGNOSIS AND CHECK LIST 17 9 1 DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION 17 9 2 FAULT DIAGNOSIS AND TROUBLESHOOTING 20 10 DISASSEMBLY INSTRUCTIONS 30 11 EXPLODED VIEW AND PART LIST 37 11 1 THE EXPLODED VIEW OF CABINET ASSEMBLY 37 11 2 THE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY 39 11 3 THE EXPLODED VIEW OF DRUM TUB ASSEMB...

Page 3: ...kg Wool 2 0kg Hand Wash 2 0kg DIMENSION 600mm W 600mm D 850mm H Whites Coloureds Synthetic Delicate Wool Hand Wash Rinse Spin Spin Pump OPTION Bio Rinse Eco Pre Wash DOOR SWITCH TYPE Bi Metal type WATER LEVEL 9 steps by sensor RESERVATION From 3 hours to 19 hours SENSING OF THE LAUNDRY AMOUNT Adopted FUZZY LOGIC Adopted DISPLAY OF THE REMAINING TIME Adopted ERROR DIAGNOSIS 7items 10items POWER AUT...

Page 4: ...ld Lock The Child Lock system has been developed to prevent children from pressing any button to change the programme during operation Low noise speed control system By sensing the amount of load and balance automatical distributes load evenly to minimize the spinning noise level Auto Restart Although the washing machine is turned off by a power failure it restarts automatically where it stopped w...

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

Page 6: ...er cover Adjustable feet For detergent and fabric softener Drawer Drum Drain hose Lower cover cap Drain pump filter Drain plug If the supply cord is damaged it must be replaced by the manufacturer or its service agents or a similarly qualified person in order to avoid a hazard ACCESSORIES ...

Page 7: ...rks O K or NOT STANDARD INSTALLATION The appliance should be installed as follows Remove the transit bolts Turn the adjustable feet to 4EA with supplied wrench set the appliance horizontally Keep the transit bolts and wrench for future use Insert the 4 caps provided into the hole The appliance goes up by rotating the feet clockwise The appliance comes down by rotating the feet counter clockwise 4 ...

Page 8: ... 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 9: ... and through the detergent will be displayed counterclockwise dispenser Power off and then power on Check if the door can be opened after door lock lamp turns off Turn off Spin and Temp after pressing the Start Pause button and start the machine again Check drain and Spin If SVC is needed during check remove the remaining water by pulling out the hose cap Check the water heating Check automatic re...

Page 10: ...has been selected Option Bio If you want to elimenate protein stains milk blood chocolate you may select Bio by pressing the option button You can select Bio when temperature is higher than 60 C in Whites Coloureds and Synthetic Rinse If you wish to rinse more the Rinse option will remove any trace of detergents Eco By selecting Eco the water temperature is reduced and washing time is lengthened S...

Page 11: ...The power turns off automatically 4 minutes after the pause button is pressed Time Delay Press the button when delayed washing is needed When the button is pressed is displayed maximum delay of hours can be set Each press advances time delay by the hour Use Power button to cancel Time Delay Time Delay means the time required from the present to the completion of washing Rapid If you press the Rapi...

Page 12: ... B WD M 1070 5 F H B WD M 1170 5 F H B WD M 1270 5 F H B WD M 1370 5 F H B WD M 8074F H B WD M 1074 6 F H B WD M 1174 6 F H B WD M 1274 6 F H B WD M 1374 6 F H B WD 8078FHB WD 1078FHB WM 1171 6 FHB WM 1371 6 FHB WD 1271FB WD 8070F H WD 1070 5 F H ...

Page 13: ...ime is lengthened So you can economize in your consumption of energy Rinse If you wish to rinse more the Rinse function will remove any trace of detergents Bio If you want to elimenate protein stains milk blood chocolate you may select Bio function by pressing the option button You can select Bio function and Eco function when temperature is higher than 60 C in Whites Coloureds and Synthetic 13 7 ...

Page 14: ... All lamps turn on 1 time Clockwise spin right Motor rpm About 45 2 times Low speed spin Motor rpm About 63 67 3 times High speed spin Motor rpm About 79 85 WD M 8070 4 F H B Motor rpm About 100 106 WD M 1070 5 F H B WD M 1074 6 F H B Motor rpm About 107 103 WD M 1170 5 F H B WD M 1174 6 F H B WM 1171 6 FHB Motor rpm About 114 120 WD M 1270 5 F H B WD M 1274 6 F H B WD 1271FB Motor rpm About 122 1...

Page 15: ...r has not reached to the normal level within 25 min 2 IMBALANCE The appliance is tilted ERROR Laundry is gathered to one side Non distributable things are put into the drum 3 DRAIN ERROR Water has not drained enough within 5 min 4 OVERFLOW Water is automatically being pumped out because too much ERROR water is in the tub 5 SENSOR PRESSURE The sensor pressure switch is out of order S W ERROR 6 DOOR...

Page 16: ...ircuited ƒ_ Repair replace the damaged WIRE HARNESS The hall sensor is out of order defective ƒ_ Replace the motor The controller Main is out of order defective ƒ_ Replace the PWB assembly Main PWB assembly Main is out of order ƒ_ Replace the PWB assembly Main Winding in the MOTOR is short circuited ƒ_ Replace the MOTOR The connector 3 pin male white in the wire harness is not connected to the con...

Page 17: ...ES YES NO NO YES NO NO Is the power plug connected firmly to 220 240V outlet Power failure or Breaker opened is the outlet controlled by a switch Visit to check Is I IE E 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: ...ES Did you press the Start Pause button when the door is open Visit to check Check if the door switch is O K Is O OE E displayed Is the debris filter clogged with foreign material such as pins coins and etc Is the drain hose frozen with water kinked or crushed Visit to check Close the door Clean up the filter ...

Page 19: ... detergent Is softener put in the correct compartment of 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 DETERGENT Compartment for softener This appliance has the automatic suds sensing function which operates under much suds condition for good rinse and preventing overflow When much suds ...

Page 20: ... assembly Main Reconnect the PWB assembly Display Reconnect the PWB assembly Display When measuring the voltage of the outlet is the voltage AC 220 240V Is the LED 1 on When measuring the voltage of natural connector 5 6 is the voltage DC 10 16 5V Is connector 2 disconnected or disassembled Is wire of the PWB assembly Display disconnected Replace PWB assembly Display NO POWER WD M 8070F H B WD M 1...

Page 21: ...he transformer and sensors 2 1 3 PWB ASSEMBLY POWER NO NO YES YES YES NO NO YES Check the fuse Replace PWB assembly Power Reconnect and repair connector Replace PWB assembly Main When measuring the voltage of the outlet is the voltage AC 220 240V When measuring the voltage of blue connector of the PWB assembly Power is the voltage AC 220 240V Is connector disconnected or or is the contact bad or c...

Page 22: ...erminal of inlet Valve is 220 240V Refer to 7 2 TEST MODE Is water supplied Are replaceptacles correctly connected to the terminals of inlet valve Is detergent put in the correct compartment of the drawer Is the detergent caked or hardened Open the tap Check the chamber Air and the tube clogged with impurity Clean the filter Replace the inlet valve Replace PWB assembly Main Refer to solution NO IN...

Page 23: ...he motor Refer to ANO WATER SUPPLY B Check the wiring on the dispenser Put it in the correct compartment Clean the cap and drawer Is the pulley bolt loosened Is the belt worn Is there friction noise from the motor Is water supplied Are receptacles correctly connected to the terminals of inlet valve Is softener put in the correct compartment of drawer Is the softener cap clogged ...

Page 24: ...tween two pins as press the power Button is the voltage 220 240V When pressing Option and Spin at the same time after draining is the water level frequency 252 or more When pressing Option Spin buttons at the same time while wash is the water level frequency between 220 240 Replace the PWB assembly POWER or MAIN HEATING WITHOUT WATER WD M 8070F H B WD M 1070 5 F H B WD M 1170 5 F H B WD M 1270 5 F...

Page 25: ...s the voltage 220 240V as the figure Repair drain hose Remove foreign material Reconnect or repair the connector Replace the pump assembly Replace the PWB assembly Main Is the drain hose kinked or frozen Is the filter of drain pump clogged Is the connector disconnected or is the contact bad Is the coil of drain pump cut off resistance of coil is 90 160 When checking voltage between two receptacles...

Page 26: ...WB ASSEMBLY MAIN WD M 8070F H B WD M 1070 5 F H B WD M 1170 5 F H B WD M 1270 5 F H B WD M 1370 5 F H B WD M 8074F H B WD M 1074 6 F H B WD M 1174 6 F H B WD M 1274 6 F H B WD M 1374 6 F H B WD 8078FHB WD 1078FHB WM 1171 6 FHB WM 1371 6 FHB WD 1271FB WD 8070F H WD 1070 5 F H When checking the voltage between two receptacles of the PWB assembly Power during washing Is the voltage 220 240V After pow...

Page 27: ...onnect the connector 1 on the PWB assembly Main is the resistance of the Natural connectors a Ł Blue White Violet Ø Blue White b between 2 5k to 180k 105 0 When checking thermistor on the tub cover is the thermistor loosened above 2mm from the rubber HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE Replace the thermistor 6322FR2046B Get the thermistor back to the rubber Is the resistance b...

Page 28: ...program When pressing Spin Temp and POWER buttons at the same time after power off press the START PAUSE button 2 times is the drum spinning at low speed Is it disconnected or disassembled a Red 3 pin 1 b Check the motor connector is the resistance of the terminal same as the figure MOTOR TERMINAL Resistance of terminal Ł Ł Ø Ø About 6 5 Replace the PWB assembly Main Ł Ø WD M 8070F H B WD M 1070 5...

Page 29: ...ncy can be checked by pressing the Option and Spin buttons at the same time Press Power button with both Spin and Temp buttons pressed after power off Press Start Pause button 2 times Does the drum rotate at low spin speed Is it disconnected or badly contacted Natural 3 pin Red 4 pin Blue 2 pin Yellow 2 pin Check the motor connector is the resistance between the terminal in figure the same as belo...

Page 30: ...p plate backward and upward as shown Disconnect the PWB assembly Display connector Pull out the drawer and unscrew 3 screws Push 2 upper hooks down and pull the control panel Pull out the Rotary Dial knob Disconnect the PWB assembly Display from the control panel by pushing 5 hooks down and unscrewing 1 screw Hook CONTROL PANEL PLATE ASSEMBLY TOP PANEL ASSEMBLY CONTROL PWB ASSEMBLY DISPLAY ...

Page 31: ...emble the top plate assembly Pull out the drawer to arrow direction Unscrew 3 screws The hose clamps and the hose are disassembled The ventilation bellows and the water inlet bellows are disassembled on the tub DISPENSER ASSEMBLY PWB ASSEMBLY POWER DISPENSER ASSEMBLY DRAWER WD 8070F H WD 1070 5 F H ...

Page 32: ...WER COVER VALVE 1 MAIN Whited Black Black VALVE 2 PRE Gray White Black VALVE 3 HOT Blue Red Black WD M 8070F H B WD M 1070 5 F H B WD M 1170 5 F H B WD M 1270 5 F H B WD M 1370 5 F H B WD M 8074F H B WD M 1074 6 F H B WD M 1174 6 F H B WD M 1274 6 F H B WD M 1374 6 F H B WD 8078FHB WD 1078FHB WM 1171 6 FHB WM 1371 6 FHB WD 1271FB WD M 8070F H B WD M 1070 5 F H B WD M 1170 5 F H B WD M 1270 5 F H B...

Page 33: ...apart the lower cover Unscrew all the screws on the upper and lower sides of the cabinet cover Take apart the tub gasket clamp Make sure that the drain hole of the gasket is put beneath when reassembling the gasket Refer to the arrow mark on the tub cover GASKET ASSEMBLY DOOR Open the door completely Remove the two screws from the hinge ...

Page 34: ...es not flow any more turn the pump filter N open to the left Take out any foreign material from the pump filter N After cleaning turn the pump filter N clockwise and insert the drain plug M to the original place close the lower cover cap Clean the drain pump filter 1 100 3 2 3 2 Remove the back cover Take off the belt turning the pulley Unscrew the bolt to pull out the pulley Unscrew 2 screws from...

Page 35: ... 3 screws fixing the heater protecting cover Loosen the M6 heater nut to pull out the heater When mounting the heater be sure to insert the heater into the heater clip on the bottom of the tub Pull it out by holding the thermistor bracket If it is pulled by the wire it may be broken When mounting the thermistor again make sure that it is got back tight to the rubber PUMP HEATER THERMISTOR CAUTION ...

Page 36: ...rt the cabinet cover clamp and release the gasket Unscrew 2 screws holding the door lock Disconnect the door lock from the wiring connector Disassemble the door from the door hinge Take apart the cabinet cover clamp and release the gasket Unscrew 2 screws on the door hinge Push the door hinge arm to the inside of the cabinet cover for disassembling Remove the heater Remove the foreign material wir...

Page 37: ...DED VIEW A110 A101 A100 A430 A104 A102 A410 A200 A201 A220 A310 A300 A303 A133 A132 A440 A140 A130 A131 A141 A450 Non service part Service part A273 A274 A271 A272 A275 A276 A277 A270 HOT ORANGE COLD BLUE HOT ORANGE COLD BLUE HOT ORANGE COLD BLUE A150 A460 ...

Page 38: ...78FHB WD 1078FHB WM 1171 6 FHB WM 1371 6 FHB WD 1271FB 38 A151 A102 A104 A101 A100 A430 A450 A410 A200 A201 A220 A303 A133 A440 A130 A131 A141 A150 A310 A300 A273 A274 A271 A272 A275 A276 A277 A270 HOT ORANGE COLD BLUE HOT ORANGE COLD BLUE HOT ORANGE COLD BLUE Service Part Non Service Part A110 ...

Page 39: ...11 2 THE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY 39 F160 F170 F120 F220 F130 F300 F310 Non service part Service part F110 F210 F430 ...

Page 40: ...K221 K210 K220 K122 K125 K105 K100 K104 K410 K150 F140 K610 K343 K550 K540 K520 K531 K344 K340 K320 K310 K510 K141 K142 K110 K420 K411 K103 K135 K136 K101 K131 K130 K131 K611 K144 K140 K102 K121 K530 Non service part Service part K331 K332 K333 K330 ...

Page 41: ... WD M 8074F H B WD M 1074 6 F H B WD M 1174 6 F H B WD M 1274 6 F H B WD M 1374 6 F H B WD 8078FHB WD 1078FHB WM 1171 6 FHB WM 1371 6 FHB WD 1271FB 41 F140 K330 ...

Page 42: ...JUN 2002 PRINTED IN KOREA P No 3828ER3008E ...

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