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LG WF-S150S, Service Manual

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LG WF-S150S Service Manual Download Page 34

34

4-2. DISASSEMBLY INSTRUCTION

▶

  

Be sure to unplug the power to repair and 
replace electric parts.

1)  Disassembly of Front Panel 

& PCB Assembly

①  

Remove two screw caps using a sharp tool and 

two front panel fixing screws.

②  

Push the front panel to the left side then pull it 
out.

③  

Disconnect the leads from the controller.

④  

Remove 4 screw from the front panel.

⑤  

Remove the PCB Assembly.

▶

 

 Fuse is located in the PCB assembly For fuse 
replacement use the following rated fuse

* Rating of fuse
- 250V 6A fusing type for 220-240V product
- 125V 12A fusing type for 100-127V product

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

Summary of Contents for WF-S150S

Page 1: ...WASHING MACHINE SERVICE MANUAL Before servicing the washer Read the safety precautions in the manual CAUTION MODEL WFS1759EKD WT D165VG WT D155SG WT D165WG WT 145SG WF S150S WT D175RG WT D175SG ...

Page 2: ... information nor can it assume any liability 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 20 3 5 Other Functions 24 3 6 Care and Maintenance 32 4 Service Information 4 1 Wiring Diagram 33 4 2 Disassembly Instruction 34 4 ...

Page 3: ...Washer WEIGHT Refer to rating label on the back of Washer PROGRAM NOMAL SMART RINSE ECO WASH QUICK WASH DELICATE TOWELS DUVET SILENT TUB CLEAN FAVORITE SCHOOL CARE 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 Applie...

Page 4: ...ting plates Use the adjusting plates to level 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...

Page 5: ...iginal position and confirm the level Horizontal 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 ...

Page 6: ...that the tap can be placed in the middle Fixing 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 ...

Page 7: ...Hose while pressing them Loosen the fixed nuts 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 Mi...

Page 8: ...ct the water supply hose to the tap Connect the 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 t...

Page 9: ...ump 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 Connect the drain hose to the outlet of the drain located at the back side of the washing machine Fix the drain hose with the clip And the...

Page 10: ...DOOR SWITCH JET SPRAY CAP DRAIN HOSE for non pump model START PAUSE BUTTON Use to start or stop the washing machine temporarily 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 th...

Page 11: ...EVEL should just cover the clothes Adjust the 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 n...

Page 12: ...r 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 the dispenser drawer by pulling the drawer out until it stops 2 After adding laundry products slowly close the ...

Page 13: ...mmendations of the Detergent manufacturer Note 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 clothe...

Page 14: ...recommended amount of liquid fabric softener 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 ...

Page 15: ...wn between paper towels Press with warm iron 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 pre...

Page 16: ...16 3 3 FUNCTION OF EACH BUTTON 1 For Pump Model WFS1959EKD 30 ...

Page 17: ...17 28 31 ...

Page 18: ...18 2 For Non Pump Model For strong or delicate wash press Strong Wave or Delicate Wave All courses except Delicates Silent and Tub Clean can adjust 30 ...

Page 19: ...19 31 ...

Page 20: ...20 3 4 WASHING PROGRAMS ...

Page 21: ...21 ...

Page 22: ...22 ...

Page 23: ...23 ...

Page 24: ...24 3 5 Other Functions Program or Course Program or Course Program or Course ...

Page 25: ...25 Program or Course Program or Course ...

Page 26: ...26 Program or Course Program or Course ...

Page 27: ...27 Program or Course Non pump model There is no Cold Water and Water Level 4 will be selected automatically Program or Course 4 ...

Page 28: ...28 ...

Page 29: ...29 ...

Page 30: ...30 Program or Course Program or Course ...

Page 31: ...31 ...

Page 32: ... washer may cause staining of the plastic components The dye will not damage the machine but we suggest you thoroughly clean your washer afterwards We do not recommend the use of dye strippers in your washer Do not use your washer lid as a work surface When there is a possibility of freezing ambient temperatures Close the water taps and remove the Water Supply Hose Remove the water which remains i...

Page 33: ...33 4 Service Information 4 1 WIRING DIAGRAM 1 For pump model WFS1759EKD 2 For Non pump model WT D165VG WT D155SG WT 145SG WF S150S ...

Page 34: ...eads from the controller Remove 4 screw from the front panel Remove the PCB Assembly Fuse is located in the PCB assembly For fuse replacement use the following rated fuse Rating of fuse 250V 6A fusing type for 220 240V product 125V 12A fusing type for 100 127V product Be sure to make earth connection for trouble diagnosis and parts replacement If impossible touch earth wire on the body to remove e...

Page 35: ... fixing screws in the back side Disassemble the 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 ...

Page 36: ...herefore using insulation tape furl at U trap part Service is over Checking Housing is good or not PE bag makes original status After that At Housing bottom 5cm tie Keeping wire little loose because need to make space at Housing bottom Reason for loosely binding Keeping wire It tie strong Housing bottom Get wet there is a risk in PE bag Therefore tie little loose make aire flow is good Using upper...

Page 37: ...p fixing screws and the connector hose disassemble the drain pump 5 Replacement of Damper asm Separate top cover from washing machine As in the fig lift snubber bar and take it out of 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 ...

Page 38: ...tor Disassemble rotor nut with boxer M18 or spaner In assembled the force is over than 200kgf cm Disassemble rotor pull out the rotor as shown the figure Disconnect fixing screw and disassemble the water guide Before disassemble stator disconnect the hall sensor and stator housing ...

Page 39: ... to rotor and stator Preventing fallen the stator tighten with 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 Hall Sensor Stator Housing Water Guide ...

Page 40: ...ION and Model Option Character You can check tE Error t2 Display Version check and Button check Display Version t3 Water Valve Check Level frequency 26 7kHz is displayed as 67 Valve operates until 23 3kHz and the power is automatically turned off at 23 3kHz Overflow prevention A Cold valve is activated B Softener Dispenser and Hot Valve are activated C Jet Spray Dispenser is activated t4 Heater Ch...

Page 41: ...ect amount of detergent for load size amount 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 ...

Page 42: ...essure switch Discharge problem When it is not discharged When it did not reach 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 t...

Page 43: ...hen 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 Reconnect the connector or correct the contact defect Replace pressures witch Replace controller Motor...

Page 44: ...When occurred a power failure When the power cord is fallen off suddenly Restart the cycle Reconnect the power cord 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 When water is overflowed Check the valves to be sure there is no input leakage Then check the drain...

Page 45: ...he transfomer 3 Check whether the fuse is open 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 househol...

Page 46: ...ow To use a transfomer having a enough capacity 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 tra...

Page 47: ...connector is taken off Ω Mains cut Mistake of use Wrong installation Mistake of use Donʼt 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 I...

Page 48: ...ater fills even though it is not energized power is off Controller 1 Does water fill immediately after the power switch turns on before pushing the START PAUSE button Drain hose laying down Water leaks from a part It doesnʼt 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 cont...

Page 49: ...1 Measure voltage of hall sensor asm 2 Check resistance of the motor Gray White DC 15V OV Gray Red Blue DC 12V OV Normal Resistance No defect Poor No defect Poor Motor coil is open Contact defect of the leak Change the PCB Asm Change the PCB Asm Change the motor Remove the cause Brown Hall sensor assembly DC 15V In PCB assembly Black Ground White Blue Red ...

Page 50: ...f installation Blocked hose Disassemble the drain 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 canʼt be kinked 8 Water drains thought it is not the time of drain Where what how to check Result of Check Possible...

Page 51: ...s open Result of Check Possible Cause How to 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 wh...

Page 52: ... 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 installation Defect of the clutch Defect of the Suspension Level the washer Explain that it is not out of order and it may happen when big long laundry is washed Change th...

Page 53: ...r 1 Check whether power is automatically turned off when turning on the power switch 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 power switch Change the switch Change the cont...

Page 54: ...54 5 EXPLODED VIEW TOP COVER ASSEMBLY CABINET ASSEMBLY TUB ASSEMBLY ...

Page 55: ...52 5 1 THE EXPLODED VIEW OF TOP COVER ASSEMBLY A230 A240 A202 A201 A200 A100 A270 A101 A165 A101 A180 A166 A030 A040 A062 A140 A010 A020 A050 A241 A061 A183 A190 A150 A152 A242 A163 A163 ...

Page 56: ...53 5 2 THE EXPLODED VIEW OF OUT CASE ASSEMBLY F070 F020 F100 F000 F001 For Non Pump F023 F023 F027 F040 F050 ...

Page 57: ...56 K064 K000 K005 K021 K020 K100 K250 K061 K060 NATURAL K340 K345 K200 K210 K201 K305 K300 K170 K290 K050 K040 K030 K012 K150 K230 K350 5 3 THE EXPLODED VIEW OF TUB ASSEMBLY K270 ...

Page 58: ...P No MFL40322184 Jan 2014 PRINTED IN KOREA ...

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