LG WD-1238C Service Manual
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LG WD-1238C Service Manual

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WASHING MACHINE
SERVICE MANUAL
CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : WD - 1238C
website : http://www.LGEservice.com
e-mail : http://LGEservice.com/techsup.html

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  • Page 1 All manuals and user guides at all-guides.com website : http://www.LGEservice.com e-mail : http://LGEservice.com/techsup.html WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. MODEL : WD - 1238C...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS 1. SPECIFICATION..........................3 2. FEATURES & TECHNICAL EXPLANATION ................4 3. PARTS IDENTIFICATION ......................6 4. INSTALLATION ..........................7 5. OPERATION ..........................10 6. WIRING DIAGRAM/PROGRAM CHART ..................12 7. TROUBLESHOOTING.........................13 7-1.BEFORE PERFORMING SERVICE ..................13 7-2.TEST MODE ........................13 7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY............13 7-4.ERROR DISPLAY ........................14...

  • Page 3: Specification

    All manuals and user guides at all-guides.com 1. SPECIFICATION ITEM WD-1238C POWER SUPPLY 220-240V~, 50Hz PRODUCT WEIGHT 63kg WASHING 160W SPIN (1200rpm) 520W ELECTRICITY DRAIN MOTOR CONSUMPTION WASH HEATER 2160W WASH 50rpm REVOLUTION SPEED SPIN WD-1238C No spin/400/800/1000/1200rpm OPERATION WATER PRESSURE 0.3-10kgf/cm...

  • Page 4: Features & Technical Explanation

    All manuals and user guides at all-guides.com 2. FEATURES & TECHNICAL EXPLANATION 2-1.FEATURES More economical by Fuzzy Logic System FUZZY Logic System detects the amount of load and water temperature, and then determines the optimum water level and washing time to minimize energy and water consumption.
  • Page 5 All manuals and user guides at all-guides.com 2-2.DETERMINE WASHING TIME BY FUZZY LOGIC To get the best washing performance optimal time is determined by sensing of water temperature, selected washing temperature and laundry amount. water temperature washing time the best selected FUZZY washing...

  • Page 6: Parts Identification

    All manuals and user guides at all-guides.com 3. PARTS IDENTIFICATION ACCESSORIES Hot/Cold (2EA) Wrench Cold (1EA)

  • Page 7: Installation

    All manuals and user guides at all-guides.com 4. INSTALLATION Before servicing ask the customer what the trouble is. Check the adjustment (power supply is 220-240V, remove the transit bolts..) Check the troubles referring to the troubleshooting. Decide service steps referring to disassembly instructions. Then, service and repair.
  • Page 8 All manuals and user guides at all-guides.com HOW TO CONNECT INLET HOSE Check that the rubber washer is inside of the valve connector. Connect the inlet hose firmly to prevent leak. CONNECT DRAIN HOSE Make sure that the hose is not twisted. Avoid submerging the end of the hose.

  • Page 9: Operation

    All manuals and user guides at all-guides.com TEST OPERATION Preparation for Press the power button. Press the START/PAUSE washing. button. Connect the power plug to In case of cotton program. the outlet. Connect the inlet hose. Check the water heating. Check automatic reverse Check the water supply.
  • Page 10 All manuals and user guides at all-guides.com...
  • Page 11 All manuals and user guides at all-guides.com...

  • Page 12: Wiring Diagram/Program Chart

    All manuals and user guides at all-guides.com / PROGRAM CHART 6. WIRING DIAGRAM 1:40 1:10 Baby Care 2:05 Drain Medic Rinse : For high effectiveness or more purity in rinse operation you can choose Medic Rinse option. Intensive : When washing full load or heavily soiled laundry, you can increase effectiveness by choosing intensive option. Program setting with "Intensive"...

  • Page 13: Troubleshooting

    All manuals and user guides at all-guides.com...

  • Page 14: 7-4.Error Display

    All manuals and user guides at all-guides.com 7-4.ERROR DISPLAY. If you press the Start/Pause button any error except will disappear and the machine will change into pause status. In case of if the error is not resolved within 15 sec. In case of other errors, if the error is not resolved within 4 min.

  • Page 15: Error Diagnosis And Check List

    All manuals and user guides at all-guides.com 8. ERROR DIAGNOSIS AND CHECK LIST 8-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION SYMPTOM GUIDE FOR SERVICE CALL NO POWER Is the power plug connected firmly to 220-240V~ outlet? Power failure? or Breaker opened? Is the outlet controlled by a switch.
  • Page 16 All manuals and user guides at all-guides.com SYMPTOM GUIDE FOR SERVICE CALL DOOR OPEN ERROR Did you press the Start/Pause button when Close the door the door is open? Refer to 7-4 ERROR DISPLAY Visit to check Check if the door switch is O.K Drain Trouble displayed? Clean up...
  • Page 17 All manuals and user guides at all-guides.com SYMPTOM GUIDE FOR SERVICE CALL Suds overflow from the Is low-sudsing detergent for the durm appliance. washing machine used? (In this condition, wash and spin do not operate LOW SUDSING normally) Is the proper amount of detergent used DETERGENT as recommended? Recommend to reduce the amount...

  • Page 18: Fault Diagnosis And Troubleshooting

    All manuals and user guides at all-guides.com 8-2.FAULT DIAGNOSIS AND TROUBLESHOOTING CAUTION 1. Be careful of electric shock or disconnecting the parts while troubleshooting. 2. First of all, check the connection of each part terminal with wiring diagram. 3. If you replace the PWB assembly (Main), put in the connectors correctly. NO POWER When measuring the voltage of the outlet, Check the fuse?
  • Page 19 All manuals and user guides at all-guides.com NO WATER SUPPLY Is the water supply shut-off? Is the tap opened? Open the tap. Check the chamber (Air) When you press both Bio button and Time Delay and the tube clogged button simultaneously, is the water level frequency below 240? with impurity.
  • Page 20 All manuals and user guides at all-guides.com...
  • Page 21 All manuals and user guides at all-guides.com HEATING WITHOUT WATER Time Delay When pressing [Bio] and [Time Delay] at the same time after draining, is the water level Medic Rinse frequency 252 or more? Replace the sensor When pressing [Bio], [Time Delay] buttons at (pressure) the same time while wash, is the water level frequency between...
  • Page 22 All manuals and user guides at all-guides.com...
  • Page 23 All manuals and user guides at all-guides.com SPIN TROUBLE Time Delay Check on the spinning, is the frequency of the Check the sensor water level 248 or more. The frequency can be (Pressure) or hose Medic Rinse checked by pressing the Bio and Time Delay buttons (Sensor).

  • Page 24: Disassembly Instructions

    All manuals and user guides at all-guides.com 9. DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. CONTROL PANEL Unscrew 2 screws on the back of the top plate. PLATE ASSEMBLY (TOP) Pull the top plate backward and upward as shown.
  • Page 25 All manuals and user guides at all-guides.com DISPENSER ASSEMBLY Disassemble the top plate assembly. Pull out the drawer to arrow direction. Unscrew 2 screws. DRAWER The hose clamps and the hose are disassembled. Option DISPENSER ASSEMBLY The ventilation bellows and the water inlet bellows are disassembled on the tub.
  • Page 26 All manuals and user guides at all-guides.com INLET VALVE Disconnect the wiring receptacle. Unscrew 2 screws from the back. When reconnecting the connector VALVE #1 (MAIN) White/Black-Black VALVE #2 (PRE) Gray-White/Black VALVE #3 (HOT) Blue/Red - Black LOWER COVER Open the lower cover cap by using coin and pull out the lower cover in the arrow direction after a screw is unscrewed.
  • Page 27 All manuals and user guides at all-guides.com GASKET ASSEMBLY Take apart the cabinet gasket clamp. Unscrew 2 screws from the cabinet cover. Open the lower cover cap and unscrew 1 screw inside. Take apart the lower cover. Disassemble the cantrol panel. (refer to the 24page) Unscrew all the screws on the upper and lower sides of the cabinet cover.
  • Page 28 All manuals and user guides at all-guides.com PULLEY, MOTOR, DAMPER Remove the back cover. Take off the belt turning the pulley. Unscrew the bolt to pull out the pulley. (PULLEY) Unscrew 2 screws from the bracket. Push the motor in the arrow direction for disassembling.
  • Page 29 All manuals and user guides at all-guides.com PUMP Remove pump outlet hose. Pump Outlet Hose Remove tub pump bellows. Remove cap (Remaining Hose.) Disconnect the wiring. Unscrew 2 screws. Remove the pump. Tub Pump Bellows HEATER Loosen the M6 heater nut to pull out the heater. CAUTION When mounting the heater, be sure to insert the heater into the heater clip on the bottom of the tub.
  • Page 30 All manuals and user guides at all-guides.com SWITCH ASSEMBLY, DOOR LOCK Take apart the cabinet cover clamp and release the gasket. Unscrew 2 screws holding the door lock. Disconnect the door lock from the wiring connector. WHEN FOREIGN MATERIAL IS STUCK BETWEEN DRUM AND TUB Remove the heater.

  • Page 31: Exploded View

    All manuals and user guides at all-guides.com 10. EXPLODED VIEW 10-1.THE EXPLODED VIEW OF CABINET ASSEMBLY A485...

  • Page 32: The Exploded View Of Control Panel & Dispenser Assembly

    All manuals and user guides at all-guides.com 10-2 THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY F430 F110 A450...

  • Page 33: The Exploded View Of Drum & Tub Assembly

    All manuals and user guides at all-guides.com 10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY K332 K333 K330...

  • Page 34: Appendix (Replacement Parts List)

    All manuals and user guides at all-guides.com...
  • Page 35 All manuals and user guides at all-guides.com...

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