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LG F4V7VYP1WE.ABWQPFS, Service Manual

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LG F4V7VYP1WE.ABWQPFS Service Manual Download Page 1

WASHING MACHINE

SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS
CORRECTLY BEFORE OFFERING SERVICE.

BEFORE SERVICING THE WASHING MACHINE, UNPLUG THE POWER
CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK. 

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SUPPLIED FROM LG. 
AFTER SERVICING THE ELECTRIC WIRE, INSURE THAT INSULATION
TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHORT.

MODEL :

 

F4V7VYP1WE.ABWQPFS

website : 

http://biz.lgservice.com

e-mail : http://LGEservice.com/techsup.html 

Summary of Contents for F4V7VYP1WE.ABWQPFS

Page 1: ...UG THE POWER CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK S T R A P E C I V R E S Y L N O E S U S T R A P L A N R E T N I G N I C I V R E S N E H W SUPPLIED FROM LG AFTER SERVICING THE ELECTRIC WIRE INSURE THAT INSULATION TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHORT MODEL F4V7VYP1WE ABWQPFS website http biz lgservice com e mail http LGEservice com techsup html ...

Page 2: ...anced Error 25 OE Water Outlet Error 26 FE Over Flow Error 28 PE Pressure Sensor S W Error 29 dE2 Door open Error 31 dE1 Door switch Error 31 tE Thermistor Heating Error 33 LE Motor Lock Error 36 8 TROUBLESHOOTING WITHOUT ERROR CODES 38 Power Failure or no power 38 Vibration Noise during spin 39 Detergent Softener does not flow in 40 Water Leak 41 Before using the Tag On function 43 9 PART INSPECT...

Page 3: ...INING TIME ERROR DIAGNOSIS POWER AUTO OFF CHILD LOCK AUTO RESTART TIME SAVE ELECTRICITY CONSUMPTION WASHING SPIN DRAIN MOTOR WASH HEATER REVOLUTION SPEED WASH SPIN 0 0 4 1 0 0 2 1 0 0 0 1 0 0 8 0 0 4 n i p S o N F4V7VYP1WE 46 rpm 0 1 1 0 MPa 1 0 kgf cm2 10 0 kgf cm2 Electronic Refer to the Rating Label 600mm x 560mm x 850mm Cotton Eco40 60 Turbo Wash 39 Mix 40 Easy Care Silent Wash Allergy Care De...

Page 4: ...his feature lets you use various functions of the product e g remote control smart alert mode download and smart self diagnosis via the smartphone app 6 Motion Washer is able to perform various drum actions or a combination of different actions depending on the wash program selected Combined with a controlled spin speed and the ability of the drum to rotate both left and right the wash performance...

Page 5: ...ter level in the tub Water supply is stopped when the water level reach the preset level then washing program proceeds Spinning does not proceed until the water in the tub reduces to a certain level water temperature washing time rinse time the best washing performance spin rhythm time laundry amount FUZZY LOGIC selected washing temperature SENSING EFFECT PROCESSING DET ERMINATION 2 4 THE DOOR CAN...

Page 6: ...3 PARTS IDENTIFCATION 6 ...

Page 7: ...neau 1 d Patinsantidérapants 1 b Clé e Supportcoudépourfixerletuyaude vidange 1 c Capuchonspourcouvrirlestrousdes boulonsdetransport 1 f Liend attache 1 Modèle F14V71WHST F94V71WHST z H 0 5 V 0 4 2 0 2 2 e u q i r t c e l é n o i t a t n e m i l A Dimensions LargeurXProfondeurXHauteur 600mmX560mmX850mm g k 0 7 l i e r a p p a l e d s d i o P ...

Page 8: ...cts under the feet Clean the floor there should be no foreign objects under the feet If the unit has foreign objects underneath the feet this will prevent the unit from being leveled properly and will cause vibrations and slipping Remove any foreign objects if any from underneath the machine and level unit properly See below for examples of foreign objects 1 Open the box and check appliance condit...

Page 9: ...1 2 3 1 2 3 9 ...

Page 10: ...could be coming from the standpipe This odor can come up the drain hose and into the unit Pour a cup or two of bleach or vinegar down the home drain and let it sit for 24 hours before running another cycle This will help eliminate odor from the home drain If a cycle is started too soon after doing this it will not help the issue Connect the power plug to the wall outlet Avoid connecting several el...

Page 11: ...etween floor and foot And only use adjustment rubber when difference at the leg adjustment is more than 10mm Place your right hand on the back right corner and your left hand on the front left corner of the unit then attempt to rock the unit from corner to corner Then move your right hand to the front right side and your left hand to the back left corner and attempt to rock the unit from corner to...

Page 12: ...terclockwise 5 Check automatic reverse turn 4 Check the water supply Check if water is supplied through the detergent dispenser 7 Check the drain and spin functions Turn power off and then power on Select the spin rpm Press the START PAUSE button Check the spin and drain functions Turn power off and then power on Listen for a click to determine if the door is unlocking 8 Turn power off and open th...

Page 13: ...y will remain on through the cycle Start Pause This Start Pause button is used to start wash cycle or pause the wash cycle If temporary stop of wash cycle is needed touch theStart Pause button When in Pause the power is turned off automatically after 4 minutes Options This allows you to select an additional cycle and will light when selected Use thise buttons to select the desired cycle options fo...

Page 14: ...t time required 4 Touch the Start Pause button You can set a time delay so that the washing machine will start automatically and finish after a specifed time interval NOTE The delay time is the time to the end of the programme not the start The actual running time may vary due to water temperature wash load and other factors To cancel the function the power button should be pressed Avoid using liq...

Page 15: ...pin By touching the Temp button the water temperature can be selected Cold 20 C 30 C 40 C 60 C 95 C Water temperature can be selected according to the program Temp When you select it will still rotate for a short time to drain quickly NOTE If the laundry is heavily soiled Pre Wash course is effective 1 Touch the Power button 2 Select a cycle 3 Touch the Pre Wash button 4 Touch the Start Pause butt...

Page 16: ...l appear on the LED display When the child lock is set all buttons are locked except the Power button Select this function to lock the buttons on the control assembly to prevent tampering Child Lock can be set only during the washing cycle Unlocking the control panel 1 Touch and hold the Child Lock button for 3 seconds 2 A beeper will sound and the remaining time for the current programme will rea...

Page 17: ...n to start 6 After the cycle is complete leave the door open to allow the washer door opening flexible gasket and door glass to dry Door Lock For safety reasons the door will lock while machine is in use and the Door Lock icon will light up You can safely open the door after the Door Lock icon turns off While Detecting is shown on the display the washing machine rotates slowly and detects how much...

Page 18: ...ump Motor Pressure Switch Drain Pump 1 2 3 4 5 6 1 2 3 4 5 6 OR WH PL OR PL WH SB WH SB 1 2 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 1 2 3 WH Heater TH BL GY BK BK BK GY Main Pre BL 1 2 1 2 BK 1 2 1 2 1 2 3 4 5 6 1 2 3 4 5 6 Inlet V V YL RD OR BK Door S W YL RD OR 1 2 3 4 1 2 3 4 BK YL 1 1 YL 1 2 3 BR BR BL 1 2 1 2 1 2 1 2 1 2 3 4 1 2 3 4 RD 1 1 RD Noise Filter 1 2 3 4 1 2 3 4 Vibration Sensor Earth Eart...

Page 19: ...U U W W V R 8 11Ω Water sensor blue white thermister blue common violet pressure switch orange pressure switch Drain motor BLDC pump white U black V yellow W white red common white black main white gray pre yellow red door switch black door switch orange door switch Washer Heater 19 ...

Page 20: ...state 3 Press Power with above two buttons pressed and then buzzer will sound 4 Press the Start Pause button repeatedly to cyclethrough the test modes 1 2 3 4 5 6 Display Status Numbers Check Point Remark 0 1 2 3 4 5 6 7 8 9 10 11 Turns on all light and locks the door Tumble clockwise Low speed spin High speed spin Inlet valve for prewash turns on Inlet valve for main wash turns on Inlet valve for...

Page 21: ...7 3 HOW TO CHECK THE WATER LEVEL FREQUENCY Touch the Spin and Turbo Wash button simultaneously Keeping touch the digits indicate the water level frequency 21 ...

Page 22: ... supplied or not reached to the preset water level within 25 minutes Page 24 1 UNBALANCE ERROR The appliance is tilted Laundry is gatherd to one side Page 25 2 WATER OUTLET ERROR Not fully drained within 10 minutes Page 26 3 OVERFLOW ERROR Water is overflowing under 21 3kHz If is displayed the drain pump operates to drain the water automatically Page 28 4 PRESSURE SENSOR S W ERROR The pressure sen...

Page 23: ...SSEMBLY Reconnect or repair the connector Page 36 8 9 10 11 POWER FROZEN FAILURE FAILURE The washer experienced a power failure Supply warm water into the drum and unfreeze drain Malfunction of vibration sensor hose and drain pump Wet a towel in warm and apply to supply hose Press the start pause button ERROR SYMPTOM CAUSE 23 ...

Page 24: ...Check Electric Wiring 2 Check Inlet valve s Resistance 3 Check Inlet valve clogged 4 Voltage of the inlet valve s connector LQC mode Valve running with 13 6V 10 In normal cycle Valve running with 7V 10 Need to check 2s later from valve start to running Pre wash Main wash 24 ...

Page 25: ...quency over 26 0khz Reconnect or repair the Connector Or replace the Harness Replace the Inlet Valve Is the Connector connected correctly to the Main PCB and theInlet Valve is the Harness alright Check the Air Chamber and the Tube clogged Check the water level frequency again if it is over 26 2KHz replace the Pressure switch YES YES NO Replace the Main PCB NO YES YES NO NO Is the resistance of eac...

Page 26: ...Page 7 Is the laundry mixed The few items of clothing will clump together and their weight will be in one place on the drum throwing the weight off during spin mode So add some laundry to overcome UE error And rearrange load to allow proper spinning Try rearranging the laundry in drum Or the laundry is separated by size type and color Separate by size type and color YES YES NO NO YES 26 ...

Page 27: ...vents proper drainage but also will promote bacteria growth and cause odors This drain filter should be cleaned once a month How to disassemble and clean pump filter Open the Cover by coin or finger only new model Cover Drain water by removing the hose cap Disassemble the pump filter by turning the filter cap counterclockwise Filter clogged by foreign objects Assemble close cap Pump Filter filter ...

Page 28: ...ut water adequately if the standpipe exceeds 1 0 m In this case water may flow back into the washer Check the Air Chamber and theTube clogged Check the water level frequency again if it is over 25 5KHz replace the If it is clogged Pressure switch YES NO Reconnect or repair theConnector Or replace the Harness NO Replace the Main PCB NO Replace the Pump Motor Or is the Impeller operating normally Do...

Page 29: ...and Hold Spin Turbo Wash simultaneously FE Overflow Error If FE is displayed again then replace thePressure Switch If FE is displayed again then replace theMain PCB Drain out the water and then check the Air Chamber and theTube clogged NO NO YES YES Is water continuously coming into the drawer Replace the Main PCB Replace the Inlet Valve assembly 29 ...

Page 30: ...ain PCB and thePressure Switch Is the Harness alright Reconnect or repair theConnector Or replace the Harness Check air chamber and remove foreign material Replace the Pressure Switch YES YES NO Is the resistance of the Pressure Switch out of range Pin1 Pin3 21 23 NO NO YES Pressure Sensor S W Error PE 30 ...

Page 31: ...Symptom Check Point 1 PRESSURE SENSORERROR PE 1 Check Electric Wiring 2 Check Pressure sensor s Resistance 3 Check Air Chamber and Tubeclogged PressureSensor 1 2 3 BL6 31 ...

Page 32: ...ollows Door Locking time 1 8 sec Check the time between from input the power to parts move up then Door locked Door Releasing time 25 100 sec Check the time between from off the power to parts move down then Door released 1 1 1 Door Open Error dE2 Door Switch Error dE1 YES YES YES NO Scratch by Latch Hook Touching or Is the Connector connected correctly to the Main PCB and the Door Switch Is the H...

Page 33: ...Symptom Check Point 1 DOOR OPEN ERROR dE 1 Check Electric Wiring 2 Check latch hook sping Cracked 3 Check Door switch s Resistance 4 Check Voltage of Door switch s connector 5 3 4 2 13 1V 33 ...

Page 34: ...pair theConnector Or replace the Harness Replace the Thermistor YES Replace the Heater YES NO Is the resistance of the Heater out of range24 5 28 5 for Washing Page 19 Note Thermistor Spec NO NO Thermistor Heating Error tE S P E C Temp 30 C 40 C 60 C 70 C 95 C 105 C Resistance k MIN 36 35 39 45 42 72 24 20 26 05 27 97 11 43 12 12 12 82 8 088 8 514 8 940 3 544 3 791 4 045 2 617 2 816 3 023 STD MAX ...

Page 35: ...ING ERROR tE 1 Check Electric Wiring 2 Check Heater s Resistance 3 Check Thermistor s Resistance 4 Water Leaked into the Thermistor s Connector YL BK Wash Heater Heater Main PWB Resistance Wash Heater 1 2 BK 3 th YL 3 th 12 18 35 ...

Page 36: ...Wash Thermistor Thermistor Main PWB Resistance k Remarks Wash Thermistor 1 2 NA3 4th NA3 5th 39 5 86 30 26 1 104 40 12 1 140 60 8 5 158 70 3 8 203 95 2 8 221 105 BL6 36 ...

Page 37: ...nector connected correctly to the Main PCB and theMotor Is the Harness alright YES NO YES YES YES NO Disassemble the Rotor Is the Magnet of rotorcracked or broken Replace the Main PCB Press the Power button Start Pause button Does the Drum stop when the start pause button is pr essed to start the cycle Or Sometimes does the Drum rotateweakly under 15rpm Magnet Is the resistance the same betweenSta...

Page 38: ...oint 1 NO POWER 1 Check Electric Wiring 2 Check the Customer s outlet 3 Check Noise Filter 4 Check LED on in Main PWB N oi se Fi l ter Noise Filter Resistance Ω WH1 1 RD1 3 0 WH1 3 RD1 1 0 1 3 1 3 RD1 WH1 1 3 1 3 2 38 ...

Page 39: ...isplay PCB Is the Connector connected correctly to the Main PCB and theNoise Filter Is the Harness alright Noise Filter Main PCB PCB Reconnect Power Plug firmly Check the fuse or reset the circuit breaker Don t use Multi plug socket Use Single Plug socket for washing machine YES YES Reconnect or repair theConnector Or replace the Harness Check connectors otherwise Replace Display PCB Check and rep...

Page 40: ...Vibration Noise During Spin Have all the Transit Bolts been removed NO Remove the Transit Bolts Washer Packing Support YES Refer to INSTALLATION Page 7 40 ...

Page 41: ... put in the correct compartment of the drawer NO Refer to Water Inlet Error IE page 23 NO Put it in theCorrect Position Reference Amount of Detergent Softener Detergent NO OK YES YES Is water supplied Is the Detergent caked or hardened Pre Wash Powder YES Softener YES Main Wash Powder Only softener 41 ...

Page 42: ...Is detergent softener put in the correct compartment of the drawer NO Put it in theCorrect Position Replace the Dispenser Tray Reference Amount of Detergent Softener Detergent NO OK Is the Dispenser Tray Damaged or warped 1 Water Leak from Dispenser Is the Detergent caked or hardened Softener YES YES NO 42 ...

Page 43: ...d split Replace the damaged parts Replace the Inlet Hoses Clean the periphery ofGasket and Door regularly 3 Unknown Water on Floor YES Is the washer horizontal Adjust the height of washing machine to be kept horizontally Page 7 NO Are the drain filter and manual drain hose open YES NO Check Turn the filter cap clockwise to close YES YES NO 43 ...

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Page 48: ...9 Par t i nspect i on 48 ...

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Page 52: ...52 50 I II I I I II I II II I I I I I I I I I I I I I I ...

Page 53: ...crews from the parts displayed in the fig 5 Unfasten the screws from the parts displayed in the fig 6 Disconnect the wiring connectors between the multi harness and the control panel assembly 7 Disassemble the control panel assembly 8 Disassemble the display PCB assembly from the control panel assembly by unfastening the screws 9 10 Disconnect the wiring connector between the Display PCB assembly ...

Page 54: ...embly in direction of red arrow 3 Disassembly PWB like the picture PWB ASSEMBLY MAIN 1 The plate assembly Top are disassembled 3 Two screws are unscrewed 2 Pull the drawer to arrow direction 4 Clamp 5 Cutting cable ties and the ventillation hose are disassembly on the dispenser DISPENSER ASSEMBLY 54 ...

Page 55: ...nector 1 Open the door completely 2 Remove the three screws from the hinge When removing the Door Assembly it is necessary to hold the Bracket that is inner of the Cabinet Cover First prepare a bucket to put in the remained water Pull it out from hose Blue Black INLET VALVE DOOR Removing method of remained water CAP REMAING HOSE 55 VALVE Pre Wash Gray Black 2 ...

Page 56: ... Pull out the drawer and unscrew 2 screws 1 Two screws are unscrewed 3 Unscrew the screws from the lower cover 2 Disassembly cap cover and pump case 3 Unscrew the screw from the CABINET COVER Remove gasket clamp and release gasket from cabinet cover 1 2 3 Lift the side the Control Panel Assembly and pull it out CABINET COVER 56 ...

Page 57: ...e 25 100sec Check the time between from off the power to parts move down then Door released 1 1 1 4 Lift and separate the cabinet cover 1 Two screws are unscrewed and disassembly cabinet cover 2 The Door Lock S W is disconnected form the wiring connector and the strap NOTE When assembling the CABINET COVER connect the Door S W connector SWITCH ASSY DOOR LOCK 1 2 57 ...

Page 58: ...2 Disconnect the 2 connectors 1 Remove the hinges Damper at the Tub 3 The hinge at the base is pulled off In directions of the arrow 2 The Hinge Damper at the base is pulled off by pressing on the snaps at the sharp end ROTOR ASSEMBLY STATOR ASSEMBLY FRICTION DAMPER V U 8 11 U W 8 11 W V 8 11 Motor Stator U V W 58 ...

Page 59: ... 8 Three screws are unscrewed from the cabinet 9 Remove the pump to arrow direction Rating 26V Resistant 3 46 3 98 1 Loosen the nut 2 Remove washing heater by pulling out When assembling the washing heater insert the heater to heater clip on the bottom of tub and check the position of wire color PUMP HEATER Heater for Washing Rating 230V 2000W Resistant 24 5 28 5 CAUTION Bellows Pump Hose Remainin...

Page 60: ...1 Remove washing heater 2 Remove the foreign object wire coin etc by inserting long bar in the hole WHEN FOREIGN OBJECT STUCK BETWEEN DRUM AND TUB 60 ...

Page 61: ...oving 2ea screws r 2 3 4 Cut cable ties from coating guide and tub cover Remove the vibration sensor housing from the PCB Remove the vibration sensor from tub cover How to disassemble Vibration sensor Only for Vivace 550 model 61 ...

Page 62: ...over pump case r 2 3 4 Remove cabinet cover after disassemble gasket clamp and door S W harness Remove connector and gasket 3D nozzle clamp And then disassemble gasket from tub cover Remove 3D multi from gasket How to disassemble 3D multi Vivace 550 Slim model 62 ...

Page 63: ...F CAB INET ASS EMBLY EXPLODED VIEW ANDPART LIST A102 A104 A430 A410 A200 A220 A133 A440 A151 A150 A152 A154 A201 A106 A485 A134 A110 A310 A130 A303 A100 A135 A101 A103 A450 K611 Cold Blue A276 A100 A140 A120 A141 A131 ...

Page 64: ... L E N A L O R T N O C F O W E I V D E D O L P X E E H T DISPENSER ASSEMBLY F430 F461 F220 F210 F120 F225 F432 F462 F300 F310 F433 F160 F110 F321 F215 ...

Page 65: ...SSEMB LY K350 K360 K143 K122 K121 K125 K610 K115 K150 K130 K611 K550 F468 K131 K616 F461 K520 K540 F467 K510 K320 K140 K410 K411 F140 F320 F466 K141 K110 K111 K340 K341 K349 K135 K151 K530 K444 K515 K572 K571 K570 K346 K105 K123 K344 ...

Page 66: ...59 P No MFL69882965 ...

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