LG WD-1255RD Service Manual Download Page 3

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1. SPECIFICATION

ITEM

POWER SUPPLY

PRODUCT WEIGHT

WASHING

200W

SPIN

300W

FAN MOTOR

13W

DRAIN MOTOR

30W

WASH HEATER

DRY HEATER

WASH

46rpm

No Spin/400/800/1000/1200

OPERATION WATER PRESSURE

0.3-10kgf/cm

(30-1000kPa)

CONTROL TYPE

Electronic

WASH CAPACITY

DRY CAPACITY

DIMENSION

686mm(W)

767mm(D)

982mm(H)

WASH PROGRAM

Cotton, Sythetic, Delicate, Wool/Silk, Hand Wash, Duvet, Quick 30, Refresh, Baby Care

Option

Pre Wash, Rinse+Spin, Dry only, Less Steam, Eco Steam

RINSE

Rinse++Hold, Hold, Medic Rinse, Rinse+,Normal

DOOR SWITCH TYPE

PTC+Solenoid Type

WATER LEVEL

10 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

13 items

POWER AUTO OFF

Adapted

CHILD LOCK

Adapted

AUTO RESTART

Adapted

TIME SAVE

Adapted

TURBO STEAM

Adapted

ELECTRICITY

CONSUMPTION

REVOLUTION

SPEED

WD-1255RD, WD-1256RD

SPIN

220-240V~, 50Hz

94kg

2000W

10kg

6kg

2100W

Summary of Contents for WD-1255RD

Page 1: ...WASHING MACHINE SERVICE MANUAL READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE MODEL WD 1255RD WD 1256RD CAUTION ...

Page 2: ... WATER LEVEL FREQUENCY 14 7 4 ERROR DISPLAY 15 8 ERROR DIAGNOSIS AND CHECK LIST 17 8 1 DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION 17 8 2 FAULT DIAGNOSIS AND TROUBLE SHOOTING 20 9 DISASSEMBLY INSTRUCTIONS 30 10 EXPLODED VIEW AND PARTS LIST 40 10 1 THE EXPLODED VIEW OF CABINET ASSEMBLY 40 10 2 THE EXPLODED VIEW OF DRUM AND TUB ASSEMBLY 41 10 3 THE EXPLODED VIEW OF CONTROL PANEL AND DISPENSER ASSEMB...

Page 3: ...ick 30 Refresh Baby Care Option Pre Wash Rinse Spin Dry only Less Steam Eco Steam RINSE Rinse Hold Normal Hold Medic Rinse Rinse Normal DOOR SWITCH TYPE PTC Solenoid Type WATER LEVEL 10 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 13 items POWER AUTO OFF Adapted CHILD LOCK Adapte...

Page 4: ...more easily Steam Washing and SteamFreshTM Steam Washing features upgraded washing performance with low energy and water consumption SteamFreshTM cycle removes wrinkles from dry clothes RollerJets Washing ball enhances the wash performance and reduces damage to the clothing The jets spray and help tumble clothes to enhance washing performance while maintaining fabric care Automatic Wash Load Detec...

Page 5: ...Spinning does not proceed until the water in the tub reduces to a certain level 2 4 DOOR CONTROL The door can be opened by pulling the door handle whenever washer is not in operation When the cycle is completed the DOOR LOCKED light will turn off If a power failure has occurred while in operation the door will unlock after 5 minutes Clicking sounds can be heard when the door is locked unlocked 5 F...

Page 6: ... CHILD LOCK lights and all buttons are disabled except the Power button You can lock the washer while it is operating 2 8 WATER CIRCULATION When Washing and Rinsing function of shower at the upper part of Gasket When Washing it continuously operates for 3 minutes and intermittently When Rinsing it continuously operates after completion of water supply 2 9 STEAM For tough stained clothes underwear ...

Page 7: ...3 PARTS IDENTIFICATION 7 ACCESSORIES Spanner Water Supply Hose Drum Light ...

Page 8: ...perate the appliance whether it 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 LEVELING Remove the transit bolts 4EA with supplied spanner Keep the transit bolts and spanner for future use Insert the 4 caps provided into the hole 4 INSTALLATION 8 1 2 Turn the leveling feet to adju...

Page 9: ...NECT DRAIN HOSE CONNECT POWER PLUG 9 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 the fire Avoid submerging the end of the hose Favorite Sanitary Favorite Sanitary Favorite Sanitary ...

Page 10: ...ed and the present temperature will clockwise and counterclockwise through the detergent dispenser be displayed Power off 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 ...

Page 11: ...0 12 20 42 60 300 120 180 60 300 120 180 60 300 120 180 60 300 120 180 60 480 180 20 20 13 Approx Working Time Minute 32 20 181 58 58 57 80 30 E N D A U T O O F F 129 93 Rinse Spin Drain Spin D T Extra Stain 4 6 W S Rinse 3 W S Rinse 2 W S Rinse Wash 1 W S Rinse Wash Pre Main W S Wash W S Baby Care Wash Spin Duvet Quick 30 Rinse Spin Refresh Cotton Synthetic Delicate Wool Silk 57 Hand Wash Heat ...

Page 12: ...d time remaining in the cycle when operating b an error code when an error has been detected OPTION BUTTON Pre Wash Use this option for loads that need pretreatment It add 16 minutes prewash and drain Rinse Spin Use this option to rinse and then spin Dry Only When you want dry only select the this option Less Steam Use this option to a steam wash for only a small amount of laundry select the this ...

Page 13: ...re washing To change the spin speed press the Spin Speed button repeatedly to cycle through available options TURBO STEAM This option features upgraded washing performance with low energy and water consumption DRY KNOB Dry programs selected by rotating dry knob Normal More 30 60 90 120 150 Low Temp Iron can be selected can be selected Add rinse Water This option provides an additional rinse Favori...

Page 14: ...lay Status None Turns on all lamps and locks the door 1 time Tumble clockwise rpm 42 50 2 times Low speed Spin rpm 55 65 3 times High speed Spin rpm 110 120 4 times Inlet valve for prewash turns on Water level frequency 25 65 5 times Inlet valve for main wash turns on Water level frequency 25 65 6 times Inlet valve for hot water turns on Water level frequency 25 65 7 times Inlet valve for steam wa...

Page 15: ...he water level 246 within 8 minutes after water supplied or not reached to the preset water level within 25 minutes Not fully drained within 10 minutes Water is over flowing over 8 level If is displayed drain pump operates to drain water automatically The sensor pressure switch is out of order In case of operating the reservation function or the other function with door opened Close the door then ...

Page 16: ... connected properly to the connector in the Main PWB ASSEMBLY Reconnect or repair the connector The Dry fan motor is out of order Replace the fan Motor MOTOR ERROR DRY HEATOR ERROR 16 Loose Ball Sensor Connector Ball Sensor is out of order Displayed only when the START PAUSE button is first pressed in the QC Test Mode 10 BALL SENSOR ERROR The washer experienced a power failure 12 POWER FAILURE EEP...

Page 17: ...let trouble YES YES YES NO NO YES NO NO No Inlet Is the power plug connected firmly to 220 240V outlet Power failure or Breaker opened 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: ...E CALL NO YES NO YES Started with door opened NO YES Is the debris filter clogged with foreign material such as pin coin and etc Is the drain hose frozen with water kinked or crushed Visit to check Close the door Visit to check Check if the door switch is O K Is displayed Clean up the filter ...

Page 19: ...e the using amount of detergent 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 This appliance has the automatic suds sensing function which operates under much suds condition for good rinse and preventing overflow When much suds are sensed...

Page 20: ...YES NO NO YES Ã K K y y y y y Ã K Ã Ã y YES NO Ã K K y y y y y Ã K Ã Ã y 1 2 Connector Check the fuse Replace MAIN PWB ASSEMBLY Replace the FILTER ASSEMBLY CIRC Reconnect the PWB ASSEMBLY Reconnect the PWB ASSEMBLY When measuring the voltage of the outlet is the voltage AC 220 240V Is the LED 1 on Is the voltage between the 2 FILTER ASSEMBLY connectors 220 240 V AC Is connector 2 disconnected or d...

Page 21: ...connector 220 240V AC 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 hardened Open the tap Check the AIR CHAMBER and the tube clogged with impurity Clean the filter Replace the INLET VALVE ASSEMBLY Check electrical connection Replace the MAIN P...

Page 22: ...Y 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 level frequency 255 When pressing RINSE and TEMP buttons at the same time while washing is the water level frequency between 230 243 After completely drained and turn off water the washing machine is operated under the Sanirary condition Check the voatage between two pins is the Voltage 0 V AC Is the drain hose twisted or frozen Is the impeller of the drain pump clogged Is the connector disconne...

Page 24: ... 240V ù y y K K y y y ù Ω Ω Ω K ò ò ù ù y Push the THERMISTOR tightly to the rubber When checking THERMISTOR on the tub is the THERMISTOR loosened above 2mm from the rubber HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE ...

Page 25: ... program When pressing Rinse Temp and POWER buttons at the same time after power off press the Start Pause button 1 times is the drum low speed spin Is it disconnected or disassembled Red 3pin 1 GY 4pin 2 Check the motor connector is the resistance of the terminal same as the figure MOTOR TERMINAL 1 Resistance of terminal About 5Ω Ω 15Ω Ω Replace the MAIN PWB ASSEMBLY Does the spring of Latch Hook...

Page 26: ...eign object in condensing bellows Clean the bellows dHE ERROR DISPLAY CHECK FOR DRY HEATER TROUBLE CHECK FOR DRY FAN MOTOR TROUBLE NO YES Replace the thermistor 6322FR2046B YES NO Disassemble the dry fan assy and dry duct upper and clean foreign object in duct and fan 26 ...

Page 27: ...PWB HARNESS Are receptacles correctly connected to the terminals of the DRY DUCT ASSEMBLY Reconnect the receptacle YL BK Steam Dry YL BK 27 ...

Page 28: ...Black 1 Yellow 3pin Yellow 20 30 1 1 2 3 V ù V K V K y y y y y V ù V Ω Ω Ω K ò ò V ù V ù y V V V ù V K V K y y y y y V ù V Ω Ω Ω K ò ò V ù V ù y V V 28 ...

Page 29: ... 5221ER1002A AC 220 240V AC Steam Dry 29 ...

Page 30: ...and upward as shown Pull out the drawer and unscrew 2 screws Lift the side the Control Panel Assembly and pull it out Push out PANEL ASSEMBLY CONTROL after Push the hook below Unscrew the 10 screws from the Control Panel Assembly Disassemble the Display PWB Assembly TOP PLATE ASSEMBLY DRAWER PANEL ASSEMBLY 1 2 PANEL ASSEMBLY CONTROL PWB ASSEMBLY DISPLAY PANEL ASSEMBLY CONTROL 30 ...

Page 31: ...n the protect cover Disconnect connectors from the wiring Push the hook of between BASE CABINET and PWB ASSEMBLY below as shown Pull the PWB assembly Main to arrow direction Unscrew 1 screw on the back of the cabinet PROTECT CO Pressue switch VER ...

Page 32: ...at the lower part of the dispenser Disassemble the 4 or 5 connectors from the valves Unscrew 1 screw from the top bracket Disassemble 2 connectors Red Housing BK BL BK White Housing BK WH BK Red Housing BK VI BK Blue Housing BK YL BK Blue Housing BK GY BK Unscrew 2 or 4 screws from the back of the cabinet Connectors 5 4 Dry Steam ...

Page 33: ...r putty knife into the both sides of the filter cover and pull it out Unscrew the screw from the lower side of the cabinet cover Disassemble the top plate assembly Pull out the drawer Push out the DISPENSER ASSEMBLY after unscrew 2 screws Unscrew the 5 screws from the back of the DECO PANEL Pull out the CONTROL PANEL ...

Page 34: ...4 Open the door Disassemble the clamp assembly Tilt the cabinet cover Disconnect the door switch connector NOTE When assembling the CABINET COVER connect the connector Lift and separate the cabinet cover ...

Page 35: ...crews from the Hinge When removing the Door Assembly it is necessary to hold the Bracket that is inner of the cabinet cover Open the door and disassemble the CLAMP ASSEMBLY Unscrew the 2 screws Be careful The door is heavy NOTE Reconnect the connector after replacing the DOOR SWITCH ASSEMBLY ...

Page 36: ...ump assembly in arrow direction Disassemble the cabinet cover Separate 2 connectors from the heater Loosen 2 nuts and pull out the heater Disassemble the cabinet cover Unplug the white connector from the thermistor Pull it out by holding the bracket of the thermistor CAUTION When assembling the heater insert the heater into the heater clip on the bottom of the tub Tighten the fastening nut so the ...

Page 37: ...Damper Hinge Damper Disassemble the back cover Remove the bolt Pull out the Rotor Unscrew the 2 screws from the tub bracket Remove the 6 bolts on the stator Unplug the 2 connectors from the stator Disassemble the damper hinges from the tub and base Separate the dampers NOTE Before removing the hinge press the hook And then replace the damper with new one ...

Page 38: ...l out the plug and let the water drain away Be cautious in case of the TSG is hot temperature Remove the housing conpled with the TSG Heater Water level frequency sensor Thermistor Unscrew out the screw of the TSG and Body Frame Checking the TSG TURBO STEAM GENERATOR TSG TURBO STEAM GENERATOR ...

Page 39: ...39 Taking out the screws of Body Frame 4EA Separate the hoses from the TSG Remove the Body Frame and then separate the TSG from the washer ...

Page 40: ...D VIEW AND PART LIST 40 A220 A201 A303 M410 M400 A163 A164 A162 F215 F210 A485 A455 A410 A152 A151 A153 A130 A140 A133 A300 A310 A200 A155 A440 A430 A100 A101 A105 A104 A102 A103 F216 A161 A490 F110 A450 A111 A110 A150 A154 A141 A131 ...

Page 41: ...315 F465 K125 F463 K121 K122 F466 F145 K105 F468 F467 F464 K560 K130 K135 K311 K511 K513 K310 F328 K115 K141 F310 K351 K350 K360 K610 K611 K530 K520 K540 F461 K550 K510 K512 K131 K342 K320 K110 F140 K411 K410 K111 K140 K340 K346 K344 K345 ...

Page 42: ...10 3 CONTROL PANEL AND DISPENSER ASSEMBLY 42 F322 F321 F470 F310 F329 F300 F170 F160 F430 F441 F435 F120 F130 F327 F225 F440 A270 F220 F226 F300 F469 F462 F436 F431 ...

Page 43: ...10 4 THE EXPLODED VIEW OF DRYER 43 M110 M210 M215 M240 M101 M220 M260 M100 M230 K311 M312 M310 M311 M130 K311 M121 M120 M235 ...

Page 44: ...MAR 2006 PRINTED IN KOREA P No MFL30138904 ...

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