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LG WTG1434 HF Series Service Manual
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LG WTG1434 HF Series Service Manual

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WASHING MACHINE
SERVICE MANUAL
CAUTION
Before servicing the washer, Read the safety precautions in the manual.
MODEL : WTG1434*HF, WTG1234*F,WTG1034*F

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Summary of Contents for LG WTG1434 HF Series

  • Page 1 WASHING MACHINE SERVICE MANUAL CAUTION Before servicing the washer, Read the safety precautions in the manual. MODEL : WTG1434*HF, WTG1234*F,WTG1034*F...

  • Page 2: Table Of Contents

    SAFETY PRECAUTION! Q DISASSEMBLE POWER CORD BEFORE SERVING Q RECONNECT ALL GROUNDING DEVICES IMPORTANT SAFETY NOTICE! This service information is intended for individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair this appliance may result in personal injury or property damage.

  • Page 3: Specifications

    1. SPECIFICATIONS Model WTG1434*HF, WTG1234*F, WTG1034*F POWER SOURCE Refer to rating label on the back of Washer INPUT Refer to rating label on the back of Washer CAPACITY Refer to rating label on the back of Washer INNER TUB Stainless INLET WATER 0.3kgf/cm ~ 8.0kgf/cm...

  • Page 4: Installation Instructions

    2. INSTALLATION INSTRUCTIONS 2-1. Installation Place Requirements If it is impossible to avoid positioning the Location appliance next to a gas cooker or coal burning stove, an insulation (85x60 cm) covered with aluminum foil on the side facing the cooker or stove must be inserted between the two appliances.

  • Page 5: Connecting The Supply Hose

    2-2. Connecting the Supply Hose Before connecting the water supply hose to Connecting Hose to Water Tap the water tap, check the hose type and then choose the correct instruction. Connecting Screw-Type Hose to Tap The water supply hose supplied may vary with Thread from country to country.
  • Page 6 Push the adapter onto the end of the tap so Remove the guide plate if the tap is too that the rubber seal forms a watertight large to fit the adapter. connection. Tighten the four fixing screws. Guide plate Push the supply hose vertically upwards so Push the adapter onto the end of the tap so that the rubber seal within the hose can that the rubber seal forms a watertight...

  • Page 7: Installing The Drain Hose

    Connecting Hose to Appliance ‡ And then push it toward the body of the washing machine as indicated by the arrow. Attach the hot water line to the hot water inlet on the back of the washing machine. Attach the cold water line to the cold water inlet on the back of the washing machine.
  • Page 8 Non-pump Model Positioning the Drain Hose The length of the drain hose should not Push the elbow hose toward the body of the exceed 3 m. washing machine. Do not place the drain hose on a threshhold of 6 cm or more. max.

  • Page 9: Leveling The Appliance

    2-4. Leveling the Appliance 2-5. Assembling the Anti-Rat Cover (Optional) Insert the Anti-Rat cover to the assembling hole If the floor is uneven, turn the adjustable feet as from the front or back of the washing machine. required (Do not insert pieces of wood etc. under the feet).

  • Page 10: Using The Appliance

    3. OPERATING 3-1. Using the Appliance Before the first wash, select a washing Choose the desired wash programme. programme (Normal, add a half load of Press the Programa button repeatedly detergent), allow the washing machine to wash until the desired programme is selected. without clothing.

  • Page 11: Sorting Laundry

    3-2. Sorting Laundry Look for a care label on your clothes. Caring before loading. This will tell you about the fabric content Combine large and small items in a load. of your garment and how it should be Load large items first. washed.

  • Page 12: Adding Cleaning Products

    3-3. Adding Cleaning Products Dilute liquid detergent with water and pour into Adding Cleaning Products the drum, start the cycle. Detergent Dosage Using liquid detergent without diluting, or leaving laundry for a long time after pouring Detergent should be used according to the diluted liquid detergent into the drum might instruction of the detergent manufacturer and cause damage, bleaching or discoloration of...
  • Page 13 Adding Fabric Softener Adding Liquid Bleach Do not exceed the maximum fill line. Check clothing care label for special Overfilling can cause early dispensing of the instructions and separate the laundry to be fabric softener, which may stain clothes. Close bleached.
  • Page 14 Control Panel Control Panel Features For Vapour Mode Models For Non-Vapour Mode Models POWER Button Press the POWER button to turn on or off the appliance. The appliance automatically turns off once a certain time has passed after the wash has completed. START/PAUSE Button Press the START/PAUSE...
  • Page 15 Cycle Status Indicator The cycle status indicator is turned on before the start. The cycle status indicator blinks during that process, and then the indicator turns off when that process has completed. Display The display shows the settings, remaining estimated time, options, and status messages. When the appliance is turned on, the default settings in the display will light up.

  • Page 16: Washing Programs

    3-5. WASHING PROGRAMS Programme is normal. Wipe the door glass after the wash cycle is completed. Wash programmes are designed for the best wash Be careful as the exterior of the appliance is hot performance for different types of clothes. by heating.
  • Page 17 Quick Wash Duvet Use this programme to wash lightly soiled clothes Use this programme to wash a blanket or for a short time. bedclothes that have the hand wash sign on the care label. NOTE Cashmere bedclothes, acrylic blanket, mixed spinning blanket, woollen blanket, infilling This programme's recommended amount of (polyester 101), and bed sheets might be...

  • Page 18: Other Functions

    Delicates 3-6. Other Functions Use this programme to wash delicate fabrics such You can use the extra options and functions on as lingerie and woollens. Before washing, check some programmes to customize the cycle. the care label for the washing instructions. This programme uses a slow spin to prevent the Water Level clothes from being damaged, so the laundry has...
  • Page 19 Intensive Wash Intensive Rinse Use this option to remove detergents more This feature is only available on some models. effectively. Use this option to allow a higher agitation intensity. When the Rinse button is pressed, Intensive It is set to medium intensity by default and it is Rinse option is selected.
  • Page 20 Press and hold Time Delay button for 3 seconds to register the appliance in the LG SmartThinQ application. Remote Start Use a smartphone to control your appliance remotely. In order to use the this function, refer to SMART FUNCTIONS .
  • Page 21 Special Functions Child Lock Use this function to disable the controls. This function can prevent children from changing programmes or operating this appliance. NOTE Once this function is set, all buttons are locked except the POWER button. When the controls are locked, and the remaining time are alternatively shown on the display during the wash while the child lock is...
  • Page 22 Manual Washing When you need a rinse and spin, spin only, rinse only or wash only cycle, these can be set manually. Rinse and Spin Spin only Rinse only Wash only Press the POWER button. Press the Rinse Press the Spin Press the Rinse Press the Wash button.
  • Page 23 For appliances with the logo manual. LG SmartThinQ is not responsible for any Check the distance between the appliance network connection problems or any faults, and the wireless router (Wi-Fi network). malfunctions, or errors caused by network If the distance between the appliance and connection.
  • Page 24 Push Alert Installing LG SmartThinQ Turn on the Push Alerts to receive appliance Search for the LG SmartThinQ application from status notifications. The notifications are the Google Play Store or Apple App Store on a triggered even if the LG SmartThinQ application smart phone.
  • Page 25 Once the Remote Start mode is enabled, you code to you on CD-ROM for a charge covering can start a cycle from the LG SmartThinQ the cost of performing such distribution (such as smartphone application. If the cycle is not...
  • Page 26 Customer Information Centre transmitted for analysis. Use this function if you need an accurate diagnosis by an LG Electronics customer NOTE information center when the appliance The Smart Diagnosis™ function depends on malfunctions or fails. Use this function only to the local call quality.

  • Page 27: Cleaning And Maintenance

    3-7. CLEANING AND MAINTENANCE MAINTENANCE Tub Clean WARNING Unplug the washing machine before cleaning Tub Clean is a special cycle to clean the inside to avoid the risk of electric shock. Failure to of the washing machine. Perform this cycle follow this warning may result in serious injury, regularly.
  • Page 28 Cleaning the Water Inlet Filter Cleaning the Drain Pump Filter (Optional) x Turn off the supply taps to the machine if the washing machine is to be left for any length of x The drain filter collects threads and small time (e.g.
  • Page 29 Caution on Freezing During Cleaning the Lint Filter Winter (some models only) When frozen, the product does not operate The filter is an important part for an efficient normally. Make sure to install the product washing performance result, so it needs special where it will not freeze during winter.
  • Page 30 Type 1 Type 2 Push down on the release tab on the top of Push in on both sides of the release tabs of the filter cover and pull forward. the filter cover and the filter cap forward. Open the lid and remove the lint. Open the lid, remove the lint and then wash out.

  • Page 31: Service Information

    4. Service Information 4-1. WIRING DIAGRAM WIRING DIAGRAM...

  • Page 32: Main Pcb Picture

    4-2. Main PCB Picture 1) For Vopur Models P/No : EBR88303004 P/No : EBR83270941 2) For Non-Vapour Models P/No : EBR88303004, EBR88303006 P/No : EBR83270942...

  • Page 33: Disassembly Instruction

    4-3. DISASSEMBLY INSTRUCTION ▶ Be sure to unplug the power to repair and replace electric parts. CAUTION FOR ELECTROSTATICS 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.
  • Page 34 2) Disassembly of Back Panel, Power Cord, Inlet Valve & BP Sensor ① 5HPRYH WZR EDFN SDQHO À[LQJ VFUHZV LQ WKH back side. ② Disassemble the back panel. ③ Disconnect two connectors and disassemble the power cord. ④ 5HPRYH D YDOYH À[LQJ VFUHZ GLVFRQQHFW WKH leads form the inlet valve.
  • Page 35 4) Servicing wiring harness and con- nectors Plastic Bag It is important that the protective plastic bag is put U-bend back in place after servicing the wiring harness connectors. This bag is designed to keep water from the connectors in the event of a leak from above. ①...
  • Page 36 5) Disassembly of Back cover, Drain Pump. ① disassemble the back cover. ② the drain pump. ③ connector hose disassemble the drain pump. 6) Disassembly of Damper asm ① Remove the top cover and the back cover of the washing machine. ②...
  • Page 37 7) Replacement of Rotor & Stator ① When laying the product down, place a cloth to protect the outer case of the product. Use either a boxer or a wrench to disassemble the Rotor Nut(M18) * For the re-assembling, the force should be in a 450~600kgf*cm range.
  • Page 38 ⑤ When the product is laid down, unscrew the SNAP RING. ERWWRP EROW RI WKH SURGXFW ÀUVW DQG XQVFUHZ the upper bolt at the very last moment. ⑥ Check the orientation of the snap-ring. (Adjust the snap-ring referring to the rotor and WKH VWDWRU·V GLUHFWLRQV ⑦...
  • Page 39 8) Replacement of Wi-Fi Module ▶ :KHQ UHJLVWHULQJ WKH SURGXFW DQG VHWWLQJ :L)L WKH LFRQ GRHV QRW ÁDVK HYHQ LI WKH EXWWRQ LV SUHVVHG for more than 3 seconds or If you suspect other Wi-Fi issues, Please check below Display contents Expected cause Action Not Connected...

  • Page 40: How To Use Test Mode

    4-4. How to use Test Mode 1. Cautions during the service Q The power are embedded in the controller assembly output connector, so be careful of the electric shock during the disorder diagnosis.(Wear cotton gloves during the work.) Q When you replace controller in the washer, make sure to check if the power is cut off before the disassembly or assembly.

  • Page 41: Troubleshooting By Common Washing Problems

    4-5. TROUBLESHOOTING BY COMMON WASHING PROBLEMS Many washing problems involve poor soil and stain removal, residues of lint and scum, and fabric damage. For satisfactory washing results, follow these instructions. Use ONLY powdered or liquid HE (High Effificiency) detergents. Do NOT use flakes scraped from a soap cake or bar, flakes, soap ribbons (available in some markets,) detergent tablets, plastic pouches, magic laundry balls, or anything other than powdered or liquid HE detergent products.

  • Page 42: Troubleshooting With Error Code

    4-6. TROUBLESHOOTING WITH ERROR CODE Problem Diagnosis Estimated Cause of Display Action Standard Abnormal Condition Water supply problem ‡ When it did not reach the 1. When the faucet is locked or ‡ Open the faucet for water RESET level frequency frozen supply (26.0kHz) in 12 minutes...
  • Page 43 Problem Diagnosis Estimated Cause of Display Action Standard Abnormal Condition Lid open ‡ When the door cannot be 1. When there is a foreign object ‡ Remove the foreign object locked in the lid lock hole in the lid lock hole ‡...
  • Page 44 Problem Diagnosis Estimated Cause of Display Action Standard Abnormal Condition Coin stuck ‡ Occurs when motor is 1. When foreign object such as ‡ Remove the coin or foreign locked coin, pin, or clip entered the object stuck between the washing plate washer vane with pliers, etc.

  • Page 45: How To Diagnose And Repair By Symptom

    4-7. HOW TO DIAGNOSE AND REPAIR BY SYMPTOM 1) Washer is not energized. How to repair & settle Where, what & how to check? Possible Cause Result of Check Household Power supply Poor Defect of the electrical Change the electrical. 1.
  • Page 46 2) Defects on displaying funcion How to repair & settle Where, what & how to check? Possible Cause Result of Check Main voltage Less than 85% of the Low voltage To explain that it is 1. Measure mains voltage at the wall outlet rating caused by low voltage in electric supply and...
  • Page 47 4) Water doesn’t come into the wash tub. How to repair & settle Where, what & how to check? Possible Cause Result of Check Inlet Valve 1. If water doesn t come though the inlet valve works(electric sound occurs) 1) Check whether water mains is cut. Water mains cut.
  • Page 48 5) Water fills continuously of intermittently How to repair & settle Where, what & how to check? Possible Cause Result of Check Wrong Installation/Leakage 1. Check whether the drain hose is laying Drain hose laying Wrong installation. The drain hose should be down.
  • Page 49 6) Display "LE" message and doesn't work How to repair & settle Where, what & how to check? Possible Cause Result of Check 1. In initial state display “LE ” message. 1) Measure voltage of hall sensor asm. Gray-White DC 15V No defect Hall sensor assembly...
  • Page 50 7) Water does not drain. How to repair & settle Where, what & how to check? Possible Cause Result of Check Drain Pump/Drain Valve 1. Check whether there is drain pump/ There is pump/valve Drain pump/drain valve Disassemble the drain pump/ is blocked by drain valve working sound.
  • Page 51 8) Water drains thought it is not the time of drain. How to repair & settle Where, what & how to check? Possible Cause Result of Check Drain Hose 1. Check whether the drain hose is The discharge height Wrong installation of the Put the outlet of drain hose installed properly so that the discharge is lower than...
  • Page 52 11) Vibration, Noise or Unbalance Error happens during spin. How to repair & settle Where, what & how to check? Possible Cause Result of Check Using conditions such as installation etc. 1. Check whether the washer is leveled. Not leveled. Defect of installation Level the washer.
  • Page 53 12) Power is automatically turned off during operation or immediately turning on the power button. How to repair & settle Where, what & how to check? Possible Cause Result of Check Auto Power Relay or Controller 1. Check whether power is automatically Automatically tumed Mechanical defect of the Change the switch.

  • Page 54: Exploded View

    5. EXPLODED VIEW TOP COVER ASSEMBLY TUB ASSEMBLY CABINET ASSEMBLY...
  • Page 55 A020 A030 A040 A010 A050 A240 A202 A201 A200 A062 A064 A061 A152 A190 A163 A151 A150 A165 A230 A410 A100 A101 A241 A165 A163 A180 A183 A140 A186 A390 A270 A157...
  • Page 56 F032 F005 F016 F070 F001 F006 F001 F000 F100 F090 F040 F020 F086 F027 F080 F023...
  • Page 57 K005 K000 K012 K021 K020 K030 K040 K050 K061 A203 NATURAL K100 K060 K104 K250 K064 K080 K170 K140 K345 K341 K230 K200 K290 K210 K305 K201 K300...
  • Page 58 May, 2019 PRINTED IN THAILAND P/No. MFL68910274...

This manual is also suitable for:

Wtg1234 f seriesWtg1034 f series

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