WASHING MACHINE
SERVICE MANUAL
MODELS: WTG1032VF / WTG1032WF / WTG1030SF
CAUTION
Before servicing the washer, Read the safety precautions in the manual.
Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 1: ...SERVICE MANUAL MODELS WTG1032VF WTG1032WF WTG1030SF CAUTION Before servicing the washer Read the safety precautions in the manual Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 2: ...ility in connection with its use CONTENTS 1 Specifications 3 2 Installation Instructions 4 3 Operating Instructions 3 1 Identification of Parts 10 3 2 Before Starting to Wash 11 3 3 Function of Each Button 16 3 4 Washing Programs 18 3 5 Other Functions 22 3 6 Cleaning and Maintenance 32 4 Service Information 4 1 Wiring Diagram 34 4 2 Main PCB Picture 35 4 3 Disassembly Instruction 36 4 4 How to us...
Page 3: ...Washer PROGRAM COTTON WASH EXTRA RINSE ECO COTTON QUICK WASH DELICATES TOWELS DUVET QUIET WASH TUB CLEAN DOWNLOAD CYCLE WATER LEVEL 10 Stages RESERVATION Available for 3 18 Hr UNBALANCE SWITCH B P Sensor LID INTERLOCK SWITCH Magnet Sensor CHILD LOCK Applied SOFTENER DISPENSER Applied DETERGENT DISPENSER Applied BLEACH INILET Applied AUTO POWER OFF Applied Smart RinseTM with Jet Spray Applied Heate...
Page 4: ... the washer when the adjustable legs cannot cover the gap Turn the adjustable legs to set the washer horizontal 2 EA Improper installation of the washer may cause noise and malfunctioning 1 The ventilating openings in the base area must not be obstructed be carpeting when the washing machine is installed on a carpeted floor 2 Install the washing machine on a level and firm surface any tilt should ...
Page 5: ...tal setting Lift up the front of the washer and adjust level by turning the adjustable legs clockwise or using the adjusting plate Distance between drain hose and the wall Distance between drain hose and the wall should be more than 10 cm and the distance between the other part and the wall should be more than 2 cm Copyright 2017 LG Electronics Inc All rights reserved Only training and service pur...
Page 6: ...ing the connector to the tap Push the upper connector up till the rubber packing is in tight contact with the tap Then tighten the 4 screws Attach the water supply hose to the connector Push the water supply hose vertically upwards so that the rubber seal within the hose can adhere completely to the tap Fixing the connector of connector and water supply hose Attach the water supply hose to the con...
Page 7: ...ts to connect the connector to the tap Untighten the screw of the connector so that the tap can be placed in the middle Fixing Connectors to the Tap Push the upper connector up till the rubber packing is in tight contact with the tap Then tighten the 4 screws Fixing Upper Connector and Middle Connector Remove the fixed sticker in between the Upper and Middle Connectors Tighten the connectors by ho...
Page 8: ...he water supply hose to the tap and then tighten it by screwing it to the right Check water leakage After connecting the hose open the faucet to check for any water leakage Connecting Water Supply Hose to the machine Connect the water supply hose to inlet valve of the washing machine and then lock it by turning the hose connecting part Check to see if there is a rubber seal inside the connector Co...
Page 9: ...ecause of blockage in the hose Connect the drain hose to the outlet of the drain pump located at the rear of the washing machine Attach the clip to the drain hose And then push it toward the body of the washing machine as indicated by the arrow Check that the drain hose is hung up over the edge of the laundry tub Do not use an extension hose Do not install the washer where it is directly exposed t...
Page 10: ...LEGS Use to level the washing machine for correct balance spin operation POWER PLUG If the supply cord is damaged it must be replaced by the manufacturer or its service agents or similarly qualified person in order to avoid a hazard DRAIN HOSE for pump model Check if the drain hose is placed into the laundry tub and secured before operating the washing machine If the drain hose is not elevated the...
Page 11: ...e load size accordingly Loosely load clothes no higher than the top row of holes in the washer tub To add items after washer has started press START button and submerge additional items Close the lid and press START button again to restart Light and Large sized clothing Clothes like downs and woollens are light weight large and float easily Use a nylon net and wash them in a small amount of water ...
Page 12: ...ctures and care labels define COLD water as 26 29 C If the temperature of the water in the tub is too cold for your hands the Detergent will not activate and clean effectively The dispenser drawer contains 2 compartments Liquid Fabric Softener Liquid or Powder Low Sudsing High Efficiency Detergent The dispenser automatically dispenses additives at the proper time in the wash cycle 1 Slowly open th...
Page 13: ...e To check you are using the correct amount of Detergent lift the lid of your machine about halfway through the wash There should be a thin layer of foam over the surface of the water Lots of foam may look good but it does not contribute to cleaning your clothes No foam means not enough Detergent has been used soil and lint can settle back on the clothes or the washing machine If excess Detergent ...
Page 14: ...into the right hand compartment Use only liquid fabric softener Dilute with water if necessary before adding to the maximum fill line Do not exceed the maximum fill line Overfilling can cause early dispensing of the fabric softener which could stain clothes NOTE Do not pour fabric softener directly on the wash load It may stain the clothes Scrud is the name given to the waxy build up that can occu...
Page 15: ... until wax is absorbed Replace paper towels frequently Treat remaining stain with prewash stain remover or nonflammable dry cleaning fluid Hand wash to remove solvent Wash using bleach safe for fabric Chocolate Pretreat or soak in WARM water using product containing enzymes Wash using bleach safe for fabric Collar or cuff soil cosmetics Pretreat with prewash stain remover or rub with bar soap Dye ...
Page 16: ...s off Select Intensive Wash by pressing the button Can be set on all courses except Delicates Quiet Wash and Tub Clean Time Delay Reservation button Use for laundry reservation To cancel press the power button Refer to page 27 To select hot water cold water or warm water washing Can be changed during operation If hot wash is selected laundry will be done with hot water and rinse will be done with ...
Page 17: ...wash Cycle to suit the clothes type and soil level To shorten dry time Press the Spin button for 3 seconds to select press power button to deselect Refer to page 25 Refer to page 28 Use to start or pause the washing process After 4 minutes in pause status the washer will automatically turn off It marks the place to put the phone to receive the SDS signals when prompted to by a Customer Care Consul...
Page 18: ...ve skin then this program is recommended to be used 1 2 3 The water will commence filling when the wash cycle begins Eco Cotton cycle consumes less water and electricity to wash normally Soiled cotton loads Select the Eco Cotton program on the Control panel Select the Extra Rinse program on the Control panel 1 2 3 4 1 2 3 4 Add designated amount of detergent by Water Level and close the door Use e...
Page 19: ... 5 7 DuringRinse thetubwillrotateslowlywhilewateris supplied Thewaterwilldrainoutaftereachrise Duringsprayrinse itisnormalforthewatertobe drainedoutsimultaneosly INFORMATION FOR ENERGY TEST Select the water temperature to suit wash cycles Always follow garment manufacture s care label or instructions when washing Set program of Eco cotton Water level2 Wash 6 min Rinse 5 Spin Ultra Cold Wash Hot Wa...
Page 20: ...propriate quantity of Detergent as indicated by the Detergent level indicator Or follow the Detergent manufacturer s instructions Select the Towels program on the Control panel Add the appropriate quantity of Detergent As indicated by the Detergent level indicator Or follow the Detergent Manufacturer s instructions Pour the detergent directly into the tub after dissolving it with warm water if Col...
Page 21: ...ashmere bedclothes acrylic blanket mixed spinning blanket woolen blanket infilling polyester 100 and bed sheets may be damaged if not washed in laundry nets or bags Separate bed clothes from general clothes They may become entangled or ball together and cause abnormal washing especially if the water level is too low It can be increased manually during the wash Spin dry may take longer if the load ...
Page 22: ...ensity Press the START PAUSE button Water will then be supplied and the Soak wash will begin Add the suggested detergent indicated by the detergent level indicator and close the Lid When the Soak wash program ends the chime will sound for 10 seconds before the Power turns off automatically Press the Soak button Soak can be selected by pressing the Soak button which then turns on the soak indicator...
Page 23: ...ress the START PAUSE button Press the Wash and Spin buttons to select the wash time and spin speed intensity When the wash program ends the chime will sound for 10 seconds before the Power turns off automatically Add the suggested detergent indicated by the detergent level indicator and close the Lid Use Intensive Rinse to remove detergents more effectively Intensive Rinse will be cancelled if the...
Page 24: ...ent or prolong the build up Recommended cleaner 1 Powder bleaching agent Purchase a suitable product and refer to usage instructions on the product packaging 2 Liquid bleaching agent Read the manufacturer s instructions carefully Do not put laundry for laundry tub course Use oxide bleaching agent 300g do not use chlorine bleaching agent We recommend this program be used at regular intervals once a...
Page 25: ...election Press the Spin button repeatedly to select the duration 90min 120 min 60 min To deselect Air Dry press power button When you select Air Dry for more than 60 minutes 1 You can reduce the clothes drying time by minimzing the moisture in the clothes however this function will not dry clothes completely but will aid the clothes drying time when they are removed from the tub 2 Always keep the ...
Page 26: ...utton to select the desired number of Rinses Rinse Only Press the Spin button to select the desired S Spin pin speed intensity Spin Only 1 Press the Wash button to select the desired wash time Wash Only Press the Rinse button to select the desired number of Rinses Press the Spin button to select the desired Spin speed intensity Rinse and Spin Only Can be used when draining of the remaining tub wat...
Page 27: ...yed wash ending time If reservation button is pressed it will turn on the Delay Time indicator and show 3 0 The Time Delay can be set from 3 18 hours by 1 hour intervals up to 3 12hours and 2 hour intervals for 12 18 hours A Time Delay of less than 3 hours cannot be selected Eg It is 1 00 PM and you want to finish the laundry by 7 00 PM Keep press reservation button to set desired laundry ending t...
Page 28: ...de is activated Child Lock Function How to Lock 2 1 The button lock is set it will not be released automatically if the cycle is terminated Therefore it will be necessary to turn the POWER back on and cancel the Child Lock function by holding down the Rinse button Press the Rinse button If you want to unlock during wash press the Rinse button again How to Unlock C J the remaining time are alternat...
Page 29: ...ater we recommend that a WARM or HOT wash be used at a regular intervals e g every 5th wash should be at least a WARM one When you have finished Turn off taps to prevent the chance of flooding should a hose burst Always unplug the power cord after use After removing the water supply hose pull out the filter Then use a brush to clean the filter Turn off the power before pulling out the cord Replace...
Page 30: ...c softener or do regular COLD water washing it is very important that you occasionally clean the inside of your washer Fill your washer with HOT water Add about two cups of a powdered Detergent that contains phosphate Let it operate for several minutes Stop the washer open the lid and leave it to soak overnight After soaking drain the washer and run it through a normal cycle Or use TUB CLEAN COURS...
Page 31: ...31 4 Service Information 4 1 WIRING DIAGRAM 1 For Pump Model Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 32: ...32 4 2 Main PCB Picture 1 For Pump Model P N EBR78073758 Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 33: ...then pull it out Disconnect the leads from the controller Remove 4 screw from the front panel Remove the PCB Assembly Be sure to make earth connection for trouble diagnosis and parts replacement If impossible touch earth wire on the body to remove electric deviation between the body and product before work CAUTION FOR ELECTROSTATICS Copyright 2017 LG Electronics Inc All rights reserved Only traini...
Page 34: ...he back panel Disconnect two connectors and disassemble the power cord Remove a valve fixing screw disconnect the leads form the inlet valve Remove the inlet valve Disconnect the leads the pressure tube from the BP sensor Remove the BP sensor Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 35: ...arness connectors When service is complete inspect the harness connectors for damage or signs of bad connections Repair or replace as necessary Slide the plastic bag down over the connectors Make sure the U bend is still in place and that the plastic bag is not damaged Reattach the bottom wire tie approximately 2 inches 5 cm below the connectors NOTE The wire tie should be loosely tied so there is...
Page 36: ...ain pump 5 Replacement of Damper asm Separate top cover from washing machine out case with out tub Damper assembly shall not be disassembled Replace damper as assembly For assembly keep the following Location color Location P No PIVOT Color Ⓐ Ⓑ A102 MIDDLE BLUE Ⓒ Ⓓ A101 WHITE Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 37: ... rotor nut with boxer M18 or spaner In assembled the force is over than 200kgf cm Disassemble rotor pull out the rotor as shown water guide Before disassemble stator disconnect the stator housing Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 38: ...ith one hand and then loosen the last screw For assembly take care lead wire s state it produce a noise and cut attach the rotor 7 Replacement of Bearing housing asm Loosen 14 Fixing screws on the Bearing Housing ASM and pull up it SNAP RING Stator Housing Water Guide Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 39: ...eck tE Error t2 Display Version check and Button check Display Version t3 Water Valve Check A Cold Valve is activated Level frequency 26 7kHz is displayed as 67 Valve operates until 23 3kHz and the power is automatically turned prevention B Hot Valve is activated C Softner Dispenser is activated D Jet Spray Dispenser is activated t4 Heater Check Heater On Eye sensor correction group value 1 26 Hea...
Page 40: ...of soil and water hardness Use WARM or HOT water for normal soil Different water temperature may be required according to soil type refer to page 10 Reduce load size Wash with heavy or soak heavy wash cycle for heavy soiled laundry Separate heavily soiled items from lightly soiled ones Pretreat stain and heavy soil according to directions shown on page 15 Pretreat the stain with detergent or a sta...
Page 41: ...ch the RESET level frequency discharge 26 0kHz in 12 minutes after starting the discharge 1 When the discharge hose is not lowered 2 When the discharge hose is bent or clogged Clogged by freezing or by foreign object 3 When the connector connected to the discharge pump drain valve or the blue 3PIN connector connected to the controller is fallen off or contact is defect 4 When the discharge pump dr...
Page 42: ...rated by recognizing level height in the pressure switch goes out of the standard boundary It occurs when the condition of the level frequency less than 20 0KHz or over 30 0KHz is maintained for 5 sec or more 1 When the connector connected to the pressure switch or the blue 6 pin connector is fallen off or contact is defect 2 When the pressure switch unit is defect 3 When the controller id defect ...
Page 43: ...cessary Drain Valve Problem When drain valve is not working Connection part contact defect Check the connection part reconnection defect and correct Replace the new drain valve OVER FLOW ERROR Check the valves to be sure there is no input leakage Then check the drain hose and make sure the drain pipe is between 0 9 1 2 m 36 and 48 inches Check for blockages and leaks in the air hose between the tu...
Page 44: ...n Controller If there are no defects in the above it should be defect of the controller Poor Around rating 0 V Less than 1 Male female connectors separated Less than 0 5 More than 1 0 10 14 V 0 V Open Over 120 voltage than rating check Change the controller if all the electrical parts have no defects Defect of the electrical No defect Defect of household power supply No defect Open circult of the ...
Page 45: ...ty if using a transfomer 3 Reset During operation Where what how to check Result of Check Possible Cause How to repair settle Main voltage 1 Measure voltage of the outlet that the washer is plugged into during wash and spin 2 Reset symptom happens at specific time zone repeatedly 3 Check whether a transfomerlent power cut happens Fluorescent lamp is transfomeriently blinked Controller 1 If mains v...
Page 46: ...f use Wrong installation Mistake of use Don t clean Defect of the inlet valve Defect of contact Coil is open Explain Turn on the tap Correct their locations and turn on the tap Explain how to use Clean them by brush and explain cleaning regulary them Change the inlet valve Reconnect it or remove the causes to make poor connection Change the inlet valve Inlet Valve 1 If water doesn t come though th...
Page 47: ...Drain hose laying down Water leaks from a part It doesn t rotate Blocked Water fills Wrong installation Defect of the part Water pressure is not sensed Air hole blocked Defect of the inlet valve Short circuit of the triac of the controller The drain hose should be hung on the stand pipe or the tub Change the part Repair it Check the tube of the Ball Pressure Sensor Pressure Switch it is bent or bl...
Page 48: ...rain pump drain valve cap and remove the foreign objects in the casing Change the drain pump drain valve Repair defected connection Change the controller Reinstall so that it should not be kinked Remove the objects and reinstall so that it can t be kinked 8 Water drains thought it is not the time of drain Where what how to check Result of Check Possible Cause How to repair settle PV Case 1 If wate...
Page 49: ... repair settle Lid Switch 1 Check resistance between both terminals of the lid switch with the lid open 0 9 Ω Ω Contact points of the lid switch is welded Defect of the controller Change the lead wire assembly Change the controller 8 Water drains thought it is not the time of drain Result of Check Possible Cause How to repair settle Drain Hose 1 Check whether the drain hose is installed properly s...
Page 50: ...that remove the front lid and than run the spin only cycle Suspension 1 Check whether the outer tub cover hit the top cover without load during spin Not leveled Laundry is unbalanced The pulsator rotates initially then the inner tub rotates Hit It is very important to find out what kinds of noise where comes from to settle noise during spin and accumulately service experiance Defect of installatio...
Page 51: ...h after unplugging the power cord from the outlet 2 It would be defect of the controller if power is automatically tumed off immediately when turning on the power switch even though there is no defects in the power switch Automatically tumed off Mechanical defect of the Defect in mains Explain the cause It happens specially when a high frequency equipment is a used around the washer or in the case...
Page 52: ...52 5 EXPLODED VIEW TOP COVER ASSEMBLY CABINET ASSEMBLY TUB ASSEMBLY Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes ...
Page 53: ...A230 A240 A200 A201 A202 A100 A165 A410 A163 A165 A241 A030 A040 A050 A140 A186 A157 A010 A020 A101 A101 A190 A163 A180 A183 A390 A150 A152 A270 A151 COLD HOT A062 A064 A061 ...
Page 54: ...F070 F000 F023 F027 F100 F016 F020 F001 F001 F090 F032 F080 F086 F082 ...
Page 55: ...K064 K000 K005 K021 K020 K100 K250 K061 K060 NATURAL K340 K345 K210 K201 K305 K300 K170 K290 K230 K050 K140 K040 K012 K030 K200 A203 K080 ...
Page 56: ...P No MFL70079806 October 2017 PRINTED IN THAILAND ...