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LG WTR1234 F Series Service Manual
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LG WTR1234 F Series Service Manual

LG WTR1234 F Series Service Manual

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WASHING MACHINE
SERVICE MANUAL
CAUTION
Before servicing the washer, Read the safety precautions in the manual.
MODEL : WTR1234*F

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Summary of Contents for LG WTR1234 F Series

  • Page 1 WASHING MACHINE SERVICE MANUAL CAUTION Before servicing the washer, Read the safety precautions in the manual. MODEL : WTR1234*F...

  • Page 2: Table Of Contents

    4-5. Trouble Shooting by Common Washing Problems ..............43 4-6. Trouble Shooting With Error Code ..................44 4-7 . How to Diagnose and Repair by Symptom ................47 5. Exploded View ..........................56 Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 3: Specifications

    Applied DISPENSER BLEACH INILET Applied AUTO POWER OFF Applied Smart RinseTM Applied with Jet Spray Heater Unapplied * Program can be different according to the model. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 4: Installation Instructions

    Never try to correct any unevenness in the serious malfunctioning. Contact your local floor with pieces of wood, cardboard or similar service centre. materials under the appliance. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 5: Connecting The Supply Hose

    Fixing screw Hose connector Rubber seal Remove the guide plate if the tap is too large to fit the adapter. Guide plate Hose connector Rubber seal Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 6 (dirt, sand, sawdust, and etc.) in the water lines. Let the water drain into a bucket, and check the water temperature. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 7: Installing The Drain Hose

    Do not insert the drain hose more than 12” (30 ‡ cm) into the drain pipe to avoid siphoning and odor build-up. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 8 Repeat Step 2. The outlet of the drain hose should not be submerged in water. Make sure the drain hose is not kinked. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 9: Leveling The Appliance

    “UE” error can occur. It must be placed on a firm and level floor to prevent spin failure. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 10: Using The Appliance

    Turn on the washing machine. power failure. lt does from the stage where it Press the Power button to turn on the stopped. washing machine. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 11: Sorting Laundry

    < Lint (Lint producers, Collectors): items. Wash lint producers and lint collectors separately. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 12: Adding Cleaning Products

    Too much detergent, bleach or softener may cause an overflow. Detergent is flushed from the dispenser at the beginning of the cycle. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 13 Do not pour fabric softener directly on the may cause change of color or damage the clothes. laundry. Do not pour powdered bleach into the bleach dispenser. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 14 The lamp will light up to indicate the selected programme. Extra Options and Functions You can use the extra options and functions to customize the programmes. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 15 : The Door Lock icon turns on when the cycle starts and the door is locked. : The Wi-Fi icon turns on when the appliance is connected to Wi-Fi network at home. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 16: Washing Programs

    While heating, water drops might be created at the door glass due to humidity differences. This Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 17 Pre Wash+Cotton Use this programme to pretreat immediate stain without handwash. It is necessary for clothes which could smell bad if they are not washed promptly. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 18: Other Functions

    SmartThinQ application. If selecting the maximum number of rinses, then this option is deactivated. NOTE This option is only available on some programmes. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 19 Use this option to enhance washing performance with vapour. Press the Time Delay button to set the This option is automatically selected under the required delay ending time. Allergy Care programme. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 20 If Hot Wash is selected, washing will be done with hot water and rinse will be done with cold water. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 21 3 seconds to deactivate this function. • When this function is deactivated, a beeper will sound and the remaining time for the current cycle will reappear on the display. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 22 If a rinse only cycle is selected, the process will start from the inlet water being supplied. If you do not select or change the Water Level , the water level will be set automatically. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 23 The wireless network name (SSID) should be a combination of English letters and numbers. (Do not use special characters.) Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 24 Smart Diagnosis™ This function provides useful information for diagnosing and solving issues with the appliance based on the pattern of use. Settings Various functions are available. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 25 Smart Diagnosis™ can not be activated unless the appliance is connected to power. If the appliance is unable to turn on, then troubleshooting must be done without using Smart Diagnosis™. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 26 If the call centre agent is not able to get an accurate recording of the data, you may be asked to try again. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 27: Cleaning And Maintenance

    Dispenser Drawer: Detergent and fabric softener may build up in the dispenser drawer. Remove the drawer and inserts and check for buildup once or twice a month. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 28 CAUTION x Be careful when draining, as any residual water may be hot. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 29  Take out supply hose and immerse in warm water below 50–60 °C. 50 60 °C Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 30 Close the lid and then insert the lower part of the filter into the wash drum and press down then press the top part into position until you hear a click sound. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 31: Service Information

    4. Service Information 4-1. WIRING DIAGRAM WIRING DIAGRAM Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 32: Main Pcb Picture

    4-2. Main PCB Picture P/No : EBR88303005 P/No : EBR87901304 Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 33: Disassembly Instruction

    When assembling the PCB and Front panel by pushing the PCB to the upper and check the Segment seated. After assembly check the light spread. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 34 ② Disconnect the pressure tube from the pressure switch. Dispenser Housing & Inlet Valve ① Remove the hoses and Lead Wire from the input valve. ② Disassemble the Inlet valve and the dispenser housing. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 35 5) Assemble the service tool (38 mm wrench) 6) Remove the hub attachment nut. (38 mm) Hit the bar using the hammer. Disconnect hub nut and disassemble the inner tub. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 36 (The torque should be 250 kgf/cm or 88 foot- pounds.) ■ Remove the rotor by pulling it straight off the splined shaft. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 37 ⑧ Be careful during removal and replacement to avoid cutting, nicking, or pinching any of the wires. This could cause a short or electrical noise in the machine. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 38 Remove the two door lock attachment screws. ② Remove the door switch and remove the attachment tube. Copyright © 2016 - 2017 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. reserved. Only training and service purposes.
  • Page 39 Reassembly PCB ,Protect Cover, Knob, Front Panel, Deco Panel, Rear Panel. CAUTION Please press the green area when assembling part. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 40: How To Use Test Mode

    Error value/ RSt: UB value UB No sense Check Current RPM is displayed in the units of 2 sec. Power off *Location of Entry Key SVC Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 41: Troubleshooting By Common Washing Problems

    ・ Ribs, tears and broken threads ・Remove objects in pockets. See page 9 for caring before loading. ・ Overloading the washer ・Do not overload the washer. ・ Degradation of fabric Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 42: Troubleshooting With Error Code

    (horizontal) 2. When the washer is installed on ‡ Adjust the leg heights for a slope the washer to be leveled. (When dehydration is not working) Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 43 (If it is damaged, replace the part) (When there is a ‡ Check the pulsator locking by problem in the clutch) foreign object (Remove the foreign object) Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 44 ‡ After that, the water hose is removed, and thensoak in warm water 50 degrees or less. ‡ Please put warm water in the tub and wait 1 ~ 2 hours. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 45: How To Diagnose And Repair By Symptom

    If there are no defects in the above, Over 120% voltage Change the controller if all than rating check the electrical parts have no it should be defect of the controller. defects. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 46 Controller 1. If mains voltage and the drain motor Change the controller. have no defects a defect of the controller is highly possible. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 47 Controller 1. Defect of controller is highly possible if Change the controller. inlet valve and Ball Pressure Sensor have no defects in the above. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 48 1. Does water fill immediately after the Short circuit of the Change the controller. power switch turns on before pushing triac of the controller. the START/PAUSE button. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 49 Change the PCB Asm Motor coil is open. Change the motor 2) Check resistance of the motor. Normal Resistance Contact defect of the leak. Remove the cause Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 50 Defect of the controller Change the controller. 1. Check whether the drain motor or the (Triac defect) drain pump works immediately after power is turned on. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 51 Change the lead wire 1. Check resistance between both switch is welded. assembly. terminals of the lid switch with the lid open. Defect of the controller. Change the controller. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 52 It is very important to find out what kinds of noise & where comes from to settle noise during spin and accumulately service experiance. Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 53 (This model is adjusted Auto Restart. Model : T1282WFDSD This function is that machine can automatically process cycle before occurred power failure when power failure happens.) Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 54: Exploded View

    5. EXPLODED VIEW BODY-A TOP COVER ASSEMBLY CABINET BODY-B ASSEMBLY Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 55 A011 A062 A061 A063 A240 A056 A064 A203 A050 A051 A201 A200 A202 A148 A184 A180 A390 A020 A183 A152 A186 A147 A151 A150 A241 A410 A105 A230 A100 A190 A125 A270 A380 A157 A140...
  • Page 56 F018 F032 F011 F017 F005 F070 F006 F000 F100 F090 F040 F020 F086 F080 F027 F023...
  • Page 57 K005 K000 K012 K021 K020 K030 K040 K050 K061 NATURAL K100 K060 K104 K250 K064 K080 K170 K140 K345 K341 K230 K200 K290 K210 K305 K201 K300...
  • Page 58 July, 2019 PRINTED IN THAILAND P/No. MFL69647004...

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