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LG WD-1238C, Service Manual

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LG WD-1238C Service Manual Download Page 2

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

8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................15

8-1. DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION ...........................................15

8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ..............................................................18

9. DISASSEMBLY INSTRUCTIONS  ...............................................................................................24

10. EXPLODED VIEW .....................................................................................................................31

10-1. THE EXPLODED VIEW OF CABINET ASSEMBLY .........................................................31

10-2. THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY..................32

10-3. THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY...................................................33

APPENDIX (Replacement parts list).........................................................................................34

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Summary of Contents for WD-1238C

Page 1: ...SHING MACHINE SERVICE MANUAL READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE website http www LGEservice com e mail http LGEservice com techsup html CAUTION MODEL WD 1238C ...

Page 2: ...W TO KNOW THE WATER LEVEL FREQUENCY 13 7 4 ERROR DISPLAY 14 8 ERROR DIAGNOSIS AND CHECK LIST 15 8 1 DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION 15 8 2 FAULT DIAGNOSIS AND TROUBLESHOOTING 18 9 DISASSEMBLY INSTRUCTIONS 24 10 EXPLODED VIEW 31 10 1 THE EXPLODED VIEW OF CABINET ASSEMBLY 31 10 2 THE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY 32 10 3 THE EXPLODED VIEW OF DRUM TUB ASSEMBLY 33 APPEN...

Page 3: ... hours SENSING OF THE LAUNDRY AMOUNT Adopted FUZZY LOGIC Adopted DISPLAY OF THE REMAINING TIME Adopted ERROR DIAGNOSIS 7 items POWER AUTO OFF Adopted CHILD LOCK Adopted AUTO RESTART Adopted ITEM SPIN WD 1238C POWER SUPPLY 220 240V 50Hz PRODUCT WEIGHT 63kg WASHING 160W SPIN 1200rpm 520W DRAIN MOTOR 34W WASH HEATER 2160W WASH 50rpm OPERATION WATER PRESSURE 0 3 10kgf cm2 30 1000kPa CONTROL TYPE Elect...

Page 4: ...wer button to change the programme during operation Low noise speed control system By sensing the amount of load and balance automatical distributes load evenly to minimize the spinning noise level Auto Restart Although the washing machine is turned off by a power failure it restarts automatically where it stopped when power is supplied again and it will be the same the machine is unplugged and is...

Page 5: ...el in the tub When the water level reaches to the preset level the water supply is stopped then the washing program proceeds Spinning does not proceed until the water in the tub reduces a certain level 2 4 THE DOOR CAN NOT BE OPENED While program is operating While Door Lock light turns on 5 FUZZY LOGIC laundry amount selected washing temperature water temperature washing time rinse time spin rhyt...

Page 6: ...3 PARTS IDENTIFICATION 6 Hot Cold 2EA Cold 1EA Wrench ACCESSORIES ...

Page 7: ...E HORIZONTAL Remove the transit bolts Turn the adjustable feet to 4EA with supplied wrench set the appliance horizontally Keep the transit bolts and wrench for future use Insert the 4 caps provided into the hole The appliance goes up by rotating the feet clockwise The appliance comes down by rotating the feet counter clockwise 4 INSTALLATION 7 1 Time Delay ime Delay Bio Bio Time Save ime Save Rins...

Page 8: ...Star Start Pause Pause Crease Care Crease Care Rinse Spin Wool ool Hand W Hand Wash ash Drain Drain Delicate Delicate Eco Eco Cotton Cotton C Quick30 Quick30 Synthetic Synthetic Spin Spin Rinse Hold Rinse Hold No Spin No Spin Time Delay ime Delay Bio Bio Time Save ime Save Rinse Rinse Pre W Pre Wash ash Door Lock Door Lock Star Start Pause Pause Crease Care Crease Care Rinse Spin Wool ool Hand W H...

Page 9: ...re Crease Care Rinse Spin Wool ool Hand W Hand Wash ash Drain Drain Delicate Delicate Eco Eco Cotton Cotton C Quick30 Quick30 Synthetic Synthetic Spin Spin Rinse Hold Rinse Hold No Spin No Spin Connect the power plug to In case of cotton program the outlet Connect the inlet hose Preparation for Press the power button Press the START PAUSE washing button Press both Temp button simultaneously the pr...

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Page 12: ... can increase effectiveness by choosing intensive option Program setting with Intensive option for test in accordance or in conformity with EN60456 and IEC 60456 Pre Wash If the laundry is heavily soiled Pre Wash course is recommended Pre Wash is available in Cotton Eco and Synthetic Program Rinse Used to introduce an additional rinse which may assist in removing traces of detergent residue Crease...

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Page 14: ...ached to the pre set level within 4 min since ERROR inlet valve operated or water has not reached to the normal level within 25 min 2 IMBALANCE The appliance is tilted ERROR Laundry is gathered to one side Non distributable things are put into the drum 3 DRAIN ERROR Water has not drained enough within 8 min 4 OVERFLOW Water is automatically being pumped out because too much ERROR water is in the t...

Page 15: ...S YES YES NO NO YES NO NO Is the power plug connected firmly to 220 240V outlet Power failure or Breaker opened Is the outlet controlled by a switch Visit to check Is displayed Is the tap opened Is the tap frozen Is the water supply shut off Is filter in the inlet valve clogged with foreign material Visit to check Clean the filter of inlet valve ...

Page 16: ...O NO YES Did you press the Start Pause button when the door is open Visit to check Check if the door switch is O K Is displayed Is the debris filter clogged with foreign material such as pins coins etc Is the drain hose frozen with water kinked or crushed Visit to check Close the door Clean up the filter ...

Page 17: ...f detergent Is softener put in the correct compartment of drawer Is the drawer closed during wash Is the softener cap clogged Explain how to use softener Clean the compartment for softener Visit to check LOW SUDSING DETERGENT Compartment for softener This appliance has the automatic suds sensing function which operates under much suds condition for good rinse and preventing overflow When much suds...

Page 18: ...ES YES YES NO NO YES PWB ASSEMBLY MAIN PWB ASSEMBLY MAIN 1 6 5 2 NO POWER Check the fuse Replace PWB assembly Main Replace PWB assembly Main Reconnect the PWB assembly Display Reconnect the PWB assembly Display When measuring the voltage of the outlet is the voltage AC 220 240V Is the LED 1 on When measuring the voltage of natural connector 5 6 is the voltage DC 10 16 5V Is connector 2 disconnecte...

Page 19: ...ach terminals of inlet Valve is 220 240V Refer to 7 2 TEST MODE Is water supplied Are replaceptacles correctly connected to the terminals of inlet valve Is detergent put in the correct compartment of the drawer Is the detergent caked or hardened Open the tap Check the chamber Air and the tube clogged with impurity Clean the filter Replace the inlet valve Replace PWB assembly Main Refer to solution...

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Page 21: ... is the water level frequency 252 or more When pressing Bio Time Delay buttons at the same time while wash is the water level frequency between 220 240 Checking voltage between two pins as press the power button is the voltage 220 240V Is the drain hose twisted or frozen Is the impeller of the drain pump clogged Is the connector disconnected disassembled Is the coil of drain pump cut off resistanc...

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Page 23: ...g is the frequency of the water level 248 or more The frequency can be checked by pressing the Bio and Time Delay buttons at the same time on the program When pressing Pre Wash Crease Care and POWER buttons at the same time after power off press the START PAUSE button 2 times is the drum low speed spin Is it disconnected or disassembled Red 3pin Check the motor connector Is the resistance of the t...

Page 24: ...the top plate backward and upward as shown Disconnect the PWB Assembly connector from Main lead wire Assembly Pull out the drawer and unscrew 2 screws Push upper hooks down on the top and pull the control panel Disconnect the PWB assembly Main Display from the control panel by unscrew 7 screws Hook CONTROL PANEL PLATE ASSEMBLY TOP PANEL ASSEMBLY CONTROL PWB ASSEMBLY DISPLAY ...

Page 25: ...ly Pull out the drawer to arrow direction Unscrew 2 screws The hose clamps and the hose are disassembled The ventilation bellows and the water inlet bellows are disassembled on the tub Option DISPENSER ASSEMBLY DISPENSER ASSEMBLY DRAWER ...

Page 26: ...the lower cover in the arrow direction after a screw is unscrewed Open the door completely Remove the two screws from the hinge When removing the door assembly it is necessary to hold the bracket that is inner of the cabinet cover 1 2 3 INLET VALVE LOWER COVER VALVE 1 MAIN White Black Black VALVE 2 PRE Gray White Black VALVE 3 HOT Blue Red Black DOOR ...

Page 27: ...de 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 Take apart the tub gasket clamp Make sure that the drain hole of the gasket is put beneath when reassembling the gasket Refer to the arrow mark on the tub cover GASKET ASSEMBLY ...

Page 28: ...be taken off during operation Hinge Damper Damper 1 2 3 PULLEY MOTOR DAMPER PULLEY MOTOR DAMPER Open the lower cover cap by using a coin Turn the drain plug to pull out the hose Unplug the drain plug then the water flows out At this time use a vessel to prevent water flowing on the floor If the water does not flow any more turn the pump filter open to the left Take out any foreign material from th...

Page 29: ... pump Loosen the M6 heater nut to pull out the heater When mounting the heater be sure to insert the heater into the heater clip on the bottom of the tub Pull it out by holding the thermistor bracket If it is pulled by the wire it may be broken When mounting the thermistor again make sure that it is got back tight to the bushing PUMP HEATER THERMISTOR CAUTION ...

Page 30: ... DRUM AND TUB 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 Remove the heater Remove the foreign material wire coin and others by inserting a long bar through the hole ...

Page 31: ...10 1 THE EXPLODED VIEW OF CABINET ASSEMBLY 31 10 EXPLODED VIEW A485 ...

Page 32: ...10 2 THE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY 32 A450 F110 F430 ...

Page 33: ...10 3 THE EXPLODED VIEW OF DRUM TUB ASSEMBLY 33 K330 K332 K333 ...

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