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LG WD(M)-12350(5)FD, Service Manual

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LG WD(M)-12350(5)FD Service Manual Download Page 24

23

NO

YES

YES

WASH HEATER TROUBLE

When checking the voltage between
connectors ( ,

) during

whites washing, Is the voltage
220 - 240V ?

Replace the MAIN PWB
ASSEMBLY

YES

NO

After power off and the heater terminal is
disconnected, is the resistance 10~30 ?

Replace the
HEATER ASSEMBLY

NO

After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 ~30 ?

Normal

NO

YES

RED

YELLOW

6

3

1

1

2

2

3

~

MAIN PWB ASSEMBLY

(1)

6

3

MAIN PWB ASSEMBLY

220-240V

Replace the THERMISTOR
(6322FR2046C)

Push the THERMISTOR
tightly to the rubber.

When disconnect the connector (1) on the  
MAIN PWB ASSEMBLY is the resistance of the 
natural connectors 

(White),

(Blue/White)

between  2.5k

to 180k

(105 ~0 )?

When checking THERMISTOR on the tub is the
THERMISTOR loosened above 2mm from 
the rubber?

HEATING CONTINUOUSLY ABOVE 

THE SETTING WATER TEMPERATURE

Summary of Contents for WD(M)-12350(5)FD

Page 1: ...NOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE MODEL WD M 16350 5 FD WD 16320 5 FD WD M 16351 6 FD WD 14320 5 FD WD M 14350 5 FD WD 12320 5 FD WD M 14351 6 FD WD M 12350 5 FD WD M 12351 6 FD CAUTION website http www LGEservice com e mail http LGEservice com techsup html ...

Page 2: ...101 APR 2005 PRINTED IN KOREA P No 3828ER3035U ...

Page 3: ...W THE WATER LEVEL FREQUENCY 13 7 4 ERROR DISPLAY 14 8 ERROR DIAGNOSIS AND CHECK LIST 16 8 1 DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION 16 8 2 FAULT DIAGNOSIS AND TROUBLESHOOTING 19 9 DISASSEMBLY INSTRUCTIONS 25 10 EXPLODED VIEW AND PARTS LIST 32 10 1 THE EXPLODED VIEW OF CABINET ASSEMBLY 32 10 2 THE EXPLODED VIEW OF CONTROL PANEL AND DISPENSER ASSEMBLY 33 10 3 THE EXPLODED VIEW OF DRUM AND TUB AS...

Page 4: ...m W 600mm D 850mm H WASH PROGRAM Cotton Synthetic Hand Wash Wool Spin Delicate Quick 30 Rinse Spin Baby Care OPTION Intensive Rinse Pre Wash Medic Care Rinse DOOR SWITCH TYPE Bi Metal type WATER LEVEL 9 steps by sensor RESERVATION From 3 hours to 19 hours SENSING OF THE LAUNDRY AMOUNT Adapted FUZZY LOGIC Adapted DISPLAY OF THE REMAINING TIME Adapted ERROR DIAGNOSIS 10 items POWER AUTO OFF Adapted ...

Page 5: ... been developed to prevent children from pressing any button to change the program 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 ...

Page 6: ...ter level in the tub Water supply is stopped when the water level to the preset level 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 FUZZY LOGIC laundry amount selected washing temperature water temperature washing time rinsing time spin rhythm ti...

Page 7: ...6 3 PARTS IDENTIFICATION Spanner Option Hot Cold 2EA Inlet hose 1EA ACCESSORIES ...

Page 8: ... works O Kor NOT STANDARD INSTALLATION The appliance should be installed as follows REMOVE THE TRANSIT INSTALL THE APPLIANCE ADJUST THE BOLTS ON FLAT AND FIRM SURFACE HORIZONTAL Remove the transit bolts Turn the leveling feet to 4EA with supplied spanner set the appliance horizontally Keep the transit bolts and spanner for future use Insert the provided 4 caps into the hole The appliance goes up b...

Page 9: ...se firmly to prevent leak CONNECT DRAIN HOSE CONNECT POWER PLUG Make sure that the hose is not twisted The drain hose should be placed under 100cm from the floor Connect the power plug to the wall outlet Avoid connecting several electric devices It may be the cause of a fire Avoid submerging the end of the hose ...

Page 10: ...f and then power on Check if the door can be opened after 3 minutes Turn off Wash and Rinse after pressing the Start Pause button and start the machine again Check drain and spin If SVC is needed during check remove the remaining water by pulling out the hose cap Check the water heating Check automatic reverse Check the water supply turn Check drain and spin Power off and open the Water removal do...

Page 11: ...t By turning the dial Cotton Delicate Quick 30 Rinse Spin Spin Hand Wash Wool Synthetic Baby Care can be selected The opposite is possible Start Pause button Use the button to start or pause wash cycle The power turns off automatically 4 minutes after the pause button is pressed If the laundry is heavily soiled Intensive option is effective By selecting the Intensive option the wash time may be ex...

Page 12: ... both Rinse and Pre Wash buttons simultaneously more than 2 seconds Once Child Lock is set all buttons are inoperable except power button Child Lock system can be set anytime even during Power off and operation It is automatically cancelled when an operational error occur Time Delay Press the button when delayed washing is needed When the button is pressed is displayed maximum delay of hours can b...

Page 13: ... 6 5 4 9 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Cotton BIG Hour Minute With Intensive About 1 45 40 120 MIN 60 MIN 120 240 60 120 60 60 240 120 360 60 240 120 360 60 240 120 360 60 240 120 360 60 480 120 20 20 P U R S E Time SEC 8 42 87 Synthetic Delicate Baby Care About 52 About 2 13 About 1 20 4 18 Spin WD 1235 FD WD 12320 5 FD About 18 13 Rinsing Spin About 26 21 4 ...

Page 14: ...1 The digits means water level frequency 10 1 Pressing number of Start Pause button Checking Point Display Status None All lamps turn on 1 time Counterclockwise spin left Drum rpm About 40 50 2 times Low speed Spin Drum rpm About 53 65 3 times High speed Spin Drum rpm About 120 160 4 times Inlet valve for prewash operation Water level frequency 25 65 5 times Inlet valve for mainwash operation Wate...

Page 15: ...h ERROR water is in the tub 5 SENSOR PRESSURE The sensor pressure switch is out of order S W ERROR 6 DOOR OPEN The Start Pause button is pressed with the door open ERROR The door switch is out of order 7 HEATING ERROR The THERMISTOR is out of order 7 4 ERROR DISPLAY If you press the Start Pause button when an error in displayed any error except will disappear and the machine will change into pause...

Page 16: ...he connector The electric contact between the connectors 3 pin male white in the LEAD WIRE ASSEMBLY and 4 pin female natural in the MAIN PWB ASSEMBLY is bad or unstable Reconnect or repair the contact in the connector The LEAD WIRE ASSEMBLY between the STATOR ASSEMBLY and MAIN PWB ASSEMBLY is cut open circuited Repair the damaged open circuited the LEAD WIRE ASSEMBLY The hall sensor is out of orde...

Page 17: ...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 18: ...ou 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 19: ...etergent Is softener put in the correct compartment of the 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 sud...

Page 20: ...you replace the MAIN PWB ASSEMBLY put in the connectors correctly NO NO YES YES MAIN PWB ASSEMBLY MAIN PWB ASSEMBLY 1 NO YES Check the fuse Replace PWB ASSEMBLY Check the harness Assembly When measuring the voltage of the outlet is the voltage AC 220 240V Is the LED 1 on When measuring the voltage of White 3Pin connector of the PWB ASSEMBLY is the voltage AC 220 240V Replace PWB ASSEMBLY NO POWER ...

Page 21: ...the inlet valve connector 220 240V Refer to 7 2 QC TEST MODE Is water supplied Are replaceptacles correctly connected to the terminals of the INLET VALVE ASSEMBLY Is detergent put in the correct compartment of the drawer Is the detergent caked or hardened Open the tap Check the AIR CHAMBER and the tube clogged with impurity Clean the filter Replace the INLET VALVE ASSEMBLY Replace the MAIN PWB ASS...

Page 22: ...SSEMBLY Refer to NO WATER SUPPLY Check the wiring on the dispenser Put it in the correct compartment Clean the cap and drawer Is the motor bolt loosened Is there friction noise from the motor Is water supplied Are receptacles correctly connected to the terminals of the INLET VALVE ASSEMBLY Is softener put in the correct compartment of the drawer Is the softener cap clogged ...

Page 23: ...r draining is the water level frequency 255 or more When pressing Time Delay Rinse buttons at the same time while wash is the water level frequency between 230 243 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 the drain pump c...

Page 24: ...nce of wire RED YELLOW connectors between 10 30 Normal NO YES RED YELLOW 6 3 1 1 2 2 3 MAIN PWB ASSEMBLY 1 6 3 MAIN PWB ASSEMBLY 220 240V Replace the THERMISTOR 6322FR2046C Push the THERMISTOR tightly to the rubber When disconnect the connector 1 on the MAIN PWB ASSEMBLY is the resistance of the natural connectors White Blue White between 2 5k to 180k 105 0 When checking THERMISTOR on the tub is t...

Page 25: ...he frequency can be checked by pressing the Time Delay and Rinse buttons at the same time on the program When pressing Intensive Rinse 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 White 3pin Red 3pin Red 3pin Natural 4pin Is it disconnected or disassembled White 3pin White 5pin Check the motor ...

Page 26: ... the top plate Pull the top plate backward and upward as shown Disconnect the ASSEMBLY connector Pull out the drawer and unscrew 2 screws Push 2 upper hooks down and pull the control panel Disconnect the PWB ASSEMBLY from the control panel by unscrewing 7 screws Hook Control Panel Assembly Control Panel Assembly CONTROL PANEL ASSEMBLY Top Plate Assembly ...

Page 27: ... ASSEMBLY Pull out the drawer slightly upward Unscrew 2 screws Disassemble hose clamps and hoses Disassemble the ventilation bellows and the water inlet bellows from the tub Option PUSH DISPENSER ASSEMBLY DISPENSER ASSEMBLY DRAWER ...

Page 28: ... Hot model Open the lower cover CAP by using coin and pull out the lower cover in the arrow direction after a screw is unscrewed 1 2 3 Option INLET VALVE ASSEMBLY LOWER COVER VALVE 1 MAIN Whited Black Black VALVE 2 PRE Gray White Black VALVE 1 MAIN Whited Black Black VALVE 2 PRE Gray White Black VALVE 3 HOT Blue Red Black ...

Page 29: ...rews from the CABINET COVER Open the lower cover cap and unscrew 1 screw inside Take apart the LOWER COVER Disassemble the CONTROL PANEL ASSEMBLY Refer to page 26 Unscrew all the screws on the upper and lower sides of the CABINET COVER Take apart the tub CLAMP ASSEMBLY 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 G...

Page 30: ...ICTION DAMPER ASSEMBLY ROTOR ASSEMBLY STATOR ASSEMBLY FRICTION DAMPER ASSEMBLY Clean the drain pump filter 3 2 3 2 2 Unplug the drain plug allowing the water to flow out At this time use a vessel to prevent water flowing on to the floor When water does not flow any more turn the pump filter to open to the left 3 Remove any foreign material from the pump filter After cleaning turn the pump filter c...

Page 31: ...the HEATER ASSEMBLY be sure to insert the HEATER ASSEMBLY 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 DRAIN PUMP ASSEMBLY HEATER ASSEMBLY THERMISTOR CAUTION CAP Remaining Hose Screw PUMP HOSE BELLOWS ...

Page 32: ...the DOOR SWITCH ASSEMBLY Disconnect the door lock from the wiring connector Remove the HEATER ASSEMBLY Remove the foreign material wire coin and others by inserting a long bar through the hole SWITCH ASSEMBLY SAFETY WD M 16350 5 FD 14350 5 FD 12350 5 FD Unscrew 4 screws from the back cover Disconnect the wiring connector Turn and press hook of switch assembly safety ...

Page 33: ...W AND PART LIST A103 A102 A104 A101 A100 A430 A485 A410 A240 A200 A201 A220 A303 A133 A440 A134 A130 A131 A141 A310 A300 A273 A274 A271 A272 A275 A276 A277 A270 HOT ORANGE COLD BLUE HOT ORANGE COLD BLUE HOT ORANGE COLD BLUE A110 A150 A152 A153 A151 A154 A140 ...

Page 34: ...33 F110 A450 F464 F310 F210 F463 F430 F432 F160 F436 F431 F441 F435 F440 F220 F120 F225 F170 F300 F320 F465 F466 F215 F216 F321 F322 F462 10 2 THE EXPLODED VIEW OF CONTROL PANEL DISPENSER ASSEMBLY ...

Page 35: ...LODED VIEW OF DRUM TUB ASSEMBLY K122 K125 K121 F140 K411 K420 K110 K141 K111 K140 K510 F468 K520 F461 K540 K550 F467 K131 K530 K115 K130 K611 K610 K410 K105 K310 K320 K123 K143 K350 K351 K360 K346 K344 K340 K342 K311 ...

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