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LG WT4801CW Скачать руководство пользователя страница 8

8

3. OPERATING INSTRUCTION

3-1. IDENTIFICATION OF PARTS

POWDER DETERGENT
Box for delayed
washing/softener additves box

INLET HOLE FOR
BLEACH

Washing Wing
(unique with lnner Tub)

LEVELLING LEGS
Use to level the washing
machine for correct balance
spin operation.

TUB

HOT WATER SUPPLY
HOSE

COLD WATER SUPPLY
HOSE
Make sure the water
does not leak.

POWER PLUG
If the supply cord is
damaged, it must be
replaced by the
manufacturer
or its service agents
or similarly qualified
person in order to
avoid a hazard.

FUNCTION SELECTOR

BASE

DRAIN HOSE
Be sure the drain hose
is properly installed on
the drain before
operating the washer.

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Содержание WT4801CW

Страница 1: ...WASHING MACHINE SERVICE MANUAL Read the safety precautions in the manual before servicing the washer CAUTION MODEL WT4801CW ...

Страница 2: ...e the appliance is energized Pump bracket rotor and heater To reduce the risk of fire electric shock or personal injury when using this appliance follow basic precautions including the following Disconnect this appliance from the power supply before servicing Turning the controls to the off position does not disconnect this appliance from the power supply Failure to do this can result in shock Rec...

Страница 3: ...oftener Dispenser Detergent Dispenser Bleach Inlet Auto Power Off SmartRinse withJetSpray WT4801CW 120VAC 60Hz Stainless 14 5 116 PSI 100 800 kPa 125V 12A for 100 127V 60Hz Max spin speed 1 000 145 5 lbs 58kg Cotton Normal Heavy Duty Bulky Bedding Tub Clean Perm Press Casual Delicates Speed Wash Rinse Spin 1 24 Hr Magnet Sensor Yes Yes Yes Yes Yes Yes ...

Страница 4: ...e washer is installed on an unsuitable floor it could make considerable noise and vibrate 2 3 Checking level Open the lid check if the washer is correctly leveled by looking down from the top If a gap is seen between the tub and drum the washer is not level Do not use shims to level the washer It will create a hazardous condition If the washer is that far from being level the problem is with the f...

Страница 5: ...ckwise or using the adjusting plate Distance between the drain hose and the wall Distance between the drain hose and the wall should be more than 4 inches 10 cm and the distance between any other part and the wall should be more than 1 inch 2 5 cm Do not install the washer in the following places Where the washer is exposed to direct sunlight Near a heater or heating appliance Where the washer is ...

Страница 6: ...r supply hose to inlet valve of the washing machine and then lock it by turning the hose connecting part Check to see if there is a rubber seal inside the connector A nwe washing machine should be instailed with new hoses The old hoses shuld not be reused Accessories shown below are not included in this model but are required for the proper operation Hot and Cold Water Hoses Tie Strap for securing...

Страница 7: ...to avoid siphoning and odor build up Cable Tie Cable Tie WARNING The washer should never be installed or stored in a location subject to freezing temperatures If the washer was exposed to freezing temperatures prior to installation allow it to stand at room temperature for several hours before use Damage to the water lines and internal mechanisms of the washer can result Water supply pressure must...

Страница 8: ...hing machine for correct balance spin operation TUB HOT WATER SUPPLY HOSE COLD WATER SUPPLY HOSE Make sure the water does not leak POWER PLUG If the supply cord is damaged it must be replaced by the manufacturer or its service agents or similarly qualified person in order to avoid a hazard FUNCTION SELECTOR BASE DRAIN HOSE Be sure the drain hose is properly installed on the drain before operating ...

Страница 9: ... top row of holes in the washer tub To add items after washer has started press the Start button and submerge additional items Close the lid and press the Start button again to restart Do not wash waterproofed fabrics such as skiing outfits diapers or nappy auto seat covers Light and Large sized clothing Clothes like downs and woollens are light weight large and float easily Use a nylon net and wa...

Страница 10: ... and stains Soak heavily soiled items Use appropriate bleach Temperature below 18 C 65 F will not activate laundry additives and may cause lint residue poor cleaning etc In addition detergent manufactures and care labels define COLD water as 26 29 C 80 85 F If the temperature of the water in the tub is too cold for your hands the detergent will not activate and clean effectively Note If iron is pr...

Страница 11: ...o the load at the beginning of the cycle Always use HE High Efficiency detergent with your washing machine Never exceed the manufacturer s recommendations when adding detergent Using too much detergent can result in detergent buildup in clothing and the washer Either powdered or liquid detergent may be used Main Wash Detergent Fabric Softener Note Liquid or powdered color safe bleach may be added ...

Страница 12: ...successful stain removal Remove stains promptly Determine the kind of stain then follow the recommended treatment in the stain removal chart below To pretreat stains use a prewash product liquid detergent or a paste made from granular detergent and water Use COLD water on unknown stains because HOT water can set stains Check care label instructions for treatments to avoid on specific fabrics Check...

Страница 13: ...e for fabric Scrape residue from fabric Pretreat Wash using hottest water safe for fabric For heavy stains and tar apply nonflammable dry cleaning fluid to back of stain Replace towels under stain frequently Rinse throughly Wash using hottest water safe for fabric Some inks may be impossible to remove Washing may set some inks Use prewash stain remover denatured alcohol or nonflammable dry cleanin...

Страница 14: ...lt setting is Warm Cold WASH TEMP Note The time shown on the display is the estimated cycle time If the sensors and microprocessor elect to make changes during the cycle the display will be adjusted accordingly EXTRA RINSE BUTTON This includes an extra rinse cycle for a better rinsing action SOAK Gives additional soak time POWER Power on Push again power goes off Power goes off automatically after...

Страница 15: ...sh settings while the machine is paused Repeats start and pause by pushing the button CYCLE BUTTON Use for selecting wash program This button allows the selection of 10 different programs for different kinds of laundry and dirtiness Program selections light up in sequence as follows Cotton Normal Heavy Duty Bulky Bedding Tub Clean Perm PressCasual Delicates Speed Wash Rinse Spin Select the desired...

Страница 16: ...3 4 WASHING PROGRAMS 16 ...

Страница 17: ...e DO NOT put them in washer or dryer Some pretreatment sprays or liquids can damage your washer s control panel Use of dyes in your washer may cause staining of the plastic components The dye will not damage the machine but we suggest you clean your washer thoroughly afterwards We do not recommend the use of dye strippers in your washer Do not use your washer lid as a work surface If frozen Remove...

Страница 18: ...OLOR CODE LETTERS COLOR LETTERS COLOR WH WHITE RD RED BK BLACK GY GYAY BN BROWN GN GREEN OR ORANGE VL VIOLET PK PINK YL YELLOW BL BLUE SKY SKY BLUE WT5001CW dosen t have part 4 SERVICE INFORMATION 4 1 WIRING DIAGRAM 18 ...

Страница 19: ...uring the repair process to eliminate the chance of a static buildup or discharge 1 Disassembly of Front Panel PCB Main Display Assembly Remove two panel fixing screws on the back side Pull the control panel forward Remove two screws on Main PCB Disassemble the protect cover Disconnect the leads from the controller Disassemble the rear frame Unscrew 6 screws on the PCB Display Rear Panel Main PCB ...

Страница 20: ...Disassembly of Lid Assembly Top Cover Tub Cover Pulsator and Inner Tub Remove three lid fixing screws Disassemble the lid assembly in arrow direction Remove two top cover attaching screws in the rear then disassemble the top cover Remove the tub cover attaching screws then disassemble tub cover Remove the pulsator attaching screws then disassemble the pulsator Remove the hub fixing nut by a specia...

Страница 21: ...nect the leads and the drain hose p from the drain pump Remove the pump fixing screws and the connector hose disassemble the drain pump 5 Replacement of Damper asm Separate top cover from washing machine As in the fig lift snubber bar and take it out of out case with out tub Damper assembly shall not be disassembled Replace damper as assembly ...

Страница 22: ...ssemble rotor nut with boxer M18 or spaner Tighten to greater than 200 kgf cm or xxx foot pounds Disassemble the rotor and pull it out as shown in the drawing Remove the screws and detach the water guide from the tub Disconnect the hall sensor and stator housing before disassembling the stator ...

Страница 23: ...old the stator with one hand and remove the screws Be sure to keep the wiring harness out of the way when reassembling Damage to the wires could cause a short or noise and interference 7 Replacement of Bearing Housing Assembly Loosen the 14 screws attaching the bearing housing assembly and pull it up SNAP RING Hall Sensor Stator Housing Water Guide ...

Страница 24: ... T7 and the coefficient of load sensing 10 time High speed spin T8 and RPM Off 11 time Turns off all LED None Number of times the START PAUSE button is pressed Check Pont Display Status 1 SAFETY CAUTION The main power board assembly has exposed live 120 VAC and live DC voltages Use care when disconnecting connectors during troubleshooting and testing Wear electrostatic discharge gloves when handli...

Страница 25: ... Soak Heavy wash cycle for heavy soiled laundry Separate heavily soiled items from lightly soiled ones Pretreat stain and heavy soil according to directions shown on page 11 Pretreat the stain with detergent or a stain removal agent Do not overfill fabric softener dispenser and do not pour liquid fabric softener directly onto fabric See page 14 for more instructions Follow the recommendations agai...

Страница 26: ...he WHITE 6 pin connector to the main board has a bad connection Laundry in the INNER TUB is filled unevenly Washer is tilted Lid is opened during intermittent spin or normal spin Lid is opened while processing reservation Check the connections to the lid switch and at the WHITE 6 pin connector at the main board Open water faucet Wait until water supply is resumed Clean or replace filter Correct th...

Страница 27: ...tub and at any connecting parts Check the connections at the hall sensor and at the BLUE 6 pin connector on the main board Check the connections at the stator and at the yellow 3 pin or BLUE 6 pin connector on the main board Test the stator to determine it is not defective Test hall sensor to determine it is not defective Turn the drum to verify the bearings are not locked Check the lid lock SW tr...

Страница 28: ...ck the connections at the Thermistor and at the WHITE 3 pin connector at the main board Test thermistor to determine it is not detective Check the connections at the AC motor and at the WHITE 6 pin connector at the main board Test AC motor or coupling to determine it is not detective Reseat the connector Replace the thermistor if necessary Reseat the connector Replace the AC motor if necessary Rep...

Страница 29: ...5 Stopped Motor Pump 0 1V Method 1 Press the Power button while the WASH TEMP button and SOIL LEVEL buttonis pressed simultaneously 2 Press Start Pause button 1 time LED On 2 times Button Check 3 times Inlet valve check mode 4 times Cold Valve Bleach Valve 5 times Rinse Valve Hot Valve 6 times Jet Spray Valve 7 times Heater Check 8 times Alpha Check 9 times Pump Check Note Environmental check list...

Страница 30: ...he resistance values in the range of 5 to15 Ω U V V W W V U 1 V 2 W 3 After pull out the YL3 connector check the terminal of the connector in wire No Replace the ROTOR Replace the STATOR Replace the Hall sensor part of motor Motor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor Hall Sensor M...

Страница 31: ...ve work when the power is not applied Replace the INLET VALVE ASSEMBLY No Adjust the height of washing machine to be kept horizontally Yes If the inlet valve work continuously when the power is applied Replace the MAIN PCB ASSEMBLY OVER FLOW ERROR Yes Is displayed Check the AIR CHAMBER and the tube clogged Yes When you press both SOAK button and Spin Speed button simultaneously is the water level ...

Страница 32: ...nnected to pressure sensor disconnected or disassembled Yes Replace the pressure switch No Is the resistance of the pressure sensor out of range pin 1 pin 3 21 23 Ω 10 Yes No Is the AIR CHAMBER and the tube clogged Yes Fix the air chamber and remove the foreign material Replace the MAIN PCB assembly ...

Страница 33: ...MBLY Is three pin wire of display PCB broken Yes Replace the MAIN PCB ASSEMBLY No Is LED on while the power is on Yes Check the fuse or reset the circuit breaker Yes Is the supplied voltage 120V AC 10 15 No Reconnect or repair the connector Yes Is the connector connected to PCB Noise filter disconnected or disassembled No Alternate with explanation Yes Is the current rating of multi outlet power s...

Страница 34: ...ound and LED light while push the button Yes Yes No Is the connector connected to Main PCB Display PCB disconnected or disassembled Reconnect or Repair the connector Connecting connector Main PCB Display PCB BUTTON DOESN T WORK Yes No Is the button of panel stuck Repair the button ...

Страница 35: ...en resistance Ohm checking the component be sure to turn the power off and do voltage discharge sufficiently Wiring diagram Test points and Result Circuit in the MAIN PCB Wiring Diagram Test Points WH 1 to RD 1 WH 3 to RD 2 Result 0 Ω 0 Ω 2 2 1 1 YL1 RD1 BL1 WH1 WARNING ...

Страница 36: ...cted with plunge is pushed out the key The key must be in the proper position for the PCB to sense that the door is locked otherwise the dL error code will be displayed If the latch does not extend far enough the PCB will display the dL error code This can happen for example if the solenoid does not operate Note The door will attempt to lock 3 times If it does not successfully lock the solenoid wi...

Страница 37: ...37 Test points 1 7 13 9 6 8 11 10 5 4 3 2 12 Parts COVER SCREW LEAD WIRE PACKING SOLENOID CASE HAND WIRE MICRO SW SOL SPRING PLUNGER KEY LEVER RUBBER CASE No 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Страница 38: ...stopped to maximum speed in infinite steps in either direction There are 36 poles on the stator 12 permanent magnets spaced around the rotor There are no brushes to wear out Unlike a more traditional brushless motor the rotor surrounds the stator rather than being attached to it Result 5 15 Ω 5 15 Ω 5 15 Ω Test Points 1 to 2 2 to 3 3 to 1 WINDINGS 1 HALL SENSOR 3 2 ...

Страница 39: ...on 7 To measure output signal voltage from the hall sensor carefully move test leads to terminals 1 to 4 blue and gray Slowly rotate motor rotor by hand You should read a pulsing 10 Vdc If 10 Vdc is measured from 1 to 4 move lead on blue wire to red wire terminal 2 Repeat rotating motor rotor by hand You should read a pulsing 10 Vdc from red to gray 8 If pulsing 10 Vdc is measured from 1 to 4 and ...

Страница 40: ... 10 to 15 Vdc is measured the control board is defective 8 Place meters leads on blue to yellow Turn motor rotor slowly by hand You should measure a pulsing 10 Vdc Place meter leads on red to yellow Turn motor rotor slowly by hand You should measure a pulsing 10 Vdc If both tests measure a pulsing 10 Vdc hall sensor and harness OK If either or both tests measures 9 to 10 volts but does not pulse o...

Страница 41: ...41 5 4 PUMP MOTOR ASSEMBLY Wiring diagram Circuit in the MAIN PCB Wiring Diagram ...

Страница 42: ...PCB Wiring Diagram Test Points Result 1 2 0 8 1 2 kΩ Depending on the cycle and water temperature the controller will energize the hot or cold water valve solenoids to meet the selected water temperature Disconnect the wiring harness and check the resistance of the valve coil 1 2 2 2 2 2 1 1 1 1 ...

Страница 43: ...BLY Wiring diagram Function Test points Circuit in the MAIN PCB Wiring Diagram Wash Thermistor The thermistor temperature sensor is used to monitor water temperature in the tub Steam Generator Dry duct and Condensing duct 2 1 ...

Страница 44: ...44 Result Wash Thermistor 39 5 26 1 12 1 8 5 3 8 2 8 Test Points 1 to 2 and 2 to 3 Remarks Result tolerance 5 At 86 30 At 104 40 At 140 60 At 158 70 At 203 95 At 221 105 ...

Страница 45: ...6 EXPLODED VIEW 45 BODY A BODY B ...

Страница 46: ... EXPLODED VIEW OF TOP COVER ASSEMBLY 46 A100 A191 A020 A160 A050 A062 A110 A200 A201 A202 A230 A090 A140 A410 A241 A180 A186 A182 A184 A390 A240 A380 A150 A152 A151 A153 A016 A011 A061 A063 A161 A154 A157 ...

Страница 47: ...6 2 EXPLODED VIEW OF OUTER CASE ASSEMBLY 47 F070 F080 F000 F032 F002 F003 F004 F005 F100 F090 F082 F027 F020 ...

Страница 48: ...6 3 EXPLODED VIEW OF TUB ASSEMBLY 48 K064 K000 K005 K021 K020 K100 K250 K061 K060 NATURAL K340 K345 K200 K210 K201 K305 K300 K170 K290 K230 K050 K068 K040 K030 K012 K350 K140 K351 ...

Страница 49: ...7 REPLACEMENT PART LIST 49 ...

Страница 50: ...P No MFL40322141 MAY 2011 PRINTED IN KOREA ...

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