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LG F V3 GP Series Service Manual

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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.
WHEN SERVICING INTERNAL PARTS ,
USE ONLY SE RVICE PARTS SUPPLIED FROM LG.
AFTER SERVICING THE ELECTRIC WIRE, INSURE THAT INSULATION
TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHORT.
MODEL :
F*V3*GP(0~9)
website :
http://biz.lgservice.com
e-mail : http://LGEservice.com/techsup.html

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  • Page 1 BEFORE SERVICING THE WASHING MACHINE, UNPLUG THE POWER CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK. WHEN SERVICING INTERNAL PARTS , USE ONLY SE RVICE PARTS SUPPLIED FROM LG. AFTER SERVICING THE ELECTRIC WIRE, INSURE THAT INSULATION TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHORT.

  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS ..........................3 2. FEATURES & TECHNICAL EXPLANATION ..................4 3. PARTS IDENTIFICATION ......................... 6 4. INSTALLATION ..........................7 5. OPERATION ........................... 12 6. WIRING DIAGRAM / PCB LAYOUT ....................17 7. TROUBLESHOOTING ........................19 7-1.BEFORE PERFORMING SERVICE ..................19 7-2.LOAD TEST MODE ........................

  • Page 3: Specifications

    1. SPECIFICATION ITEM Refer to 1 page POWER SUPPLY 220 V ~, 60Hz PRODUCT WEIGHT 71kg WASHING 190W SPIN 450W ELECTRICITY DRAIN MOTOR 32 W CONSUMPTION WASH HEATER 1250 W DRY HEATER 1600 W WASH 46 rpm REVOLUTION SPIN SPEED 0.1 ~ 1.0 MPa (1.0 kgf / cm ~ 10.0 kgf / cm OPERATION WATER PRESSURE...
  • Page 4  )($785(6 7(&+1,&$/ (;3/$1$7,21  3URGXFW )HDWXUHV Inverter Direct Drive system 7KH DGYDQFHG %UXVKOHVV '& PRWRU GLUHFWO\ GULYHV WKH GUXP ZLWKRXW EHOW DQG SXOOH\ 6 Motion :DVKHU LV DEOH WR SHUIRUP YDULRXV GUXP DFWLRQV RU D FRPELQDWLRQ RI GLIIHUHQW DFWLRQV GHSHQGLQJ RQ WKH ZDVK SURJUDP VHOHFWHG &RPELQHG ZLWK D FRQWUROOHG VSLQ VSHHG DQG WKH DELOLW\ RI WKH GUXP WR URWDWH ERWK OHIW DQG ULJKW WKH ZDVK SHUIRUPDQFH RI WKH PDFKLQH LV JUHDWO\ LPSURYHG JLYLQJ \RX SHUIHFW UHVXOWV HYHU\ WLPH...
  • Page 5 2-2. DETERMINE WASHING TIME BY FUZZY LOGIC To get the best washing performance optimal time is determined by sensing the water temperature, selected washing temperature and laundry amount. water temperature washing time the best selected FUZZY washing rinse time washing LOGIC temperature performance...

  • Page 6: Parts Identification

    3. PARTS IDENTIFCATION...
  • Page 7 3. PARTS IDENTIFCATION F*V3*GP(0~9） 220V~, 60Hz...
  • Page 8  ,167$//$7,21 ,167$//$7,21 7KH DSSOLDQFH VKRXOG EH LQVWDOOHG DV IROORZV &KHFN WKH FRQGLWLRQV RI LQVWDOODWLRQ DUHD  &KHFN OHYHO JURXQG KRUL]RQWDO 2Q UDLVHG IRXQGDWLRQV RU XSSHU OHYHO KRPHV WKH FDQ EH FDXVHG E\ WKH W\SH RI IORRULQJ vibrations ,W PD\ EH WR D GLIIHUHQW DUHD LQ WKH KRPH RU KDYH WKH IORRU necessary to move machine...
  • Page 10 &RQQHFW 'UDLQ +RVH ,I WKH GUDLQ KRVH LV QRW LQVWDOOHG SURSHUO\ WKH XQLW ZLOO QRW GUDLQ SURSHUO\ 7KLV DOORZV ZDWHU WR EDFN IORZ LQWR WKH XQLW ZKLFK FDQ FDXVH RGRUV 5HIHU WR 2ZQHU 0DQXDO IRU SURSHU GUDLQ KRVH LQVWDOODWLRQ 7KH RGRU FRXOG DOVR EH FRPLQJ IURP WKH KRPH¶V GUDLQ WR ZKLFK WKH GUDLQ KRVH LV DWWDFKHG /DXQGU\ WXE DERXW  FP +RVH...
  • Page 11 &KHFN WKH KRUL]RQWDOLW\ ZLWK D OHYHO *DJH  Step 1 ,I ZDVKLQJ PDFKLQH OHJV DUH ORRVH RU QRW 6FUHZHG LQ WKHQ ZLWK WKH VSDQQHU ZUHQFK tighten 8VLQJ WKH OHYHO OHYHO WKH ZDVKLQJ PDFKLQH IURP IURQW WR EDFN DQG VLGH WR VLGH $ OHYHO +LJKHU 7LJKWHQ...
  • Page 12 7HVW RSHUDWLRQ 3UHSDUDWLRQ 3UHVV WKH SRZHU EXWWRQ 3UHVV WKH 67$573$86( EXWWRQ ZDVKLQJ &RQQHFW WKH SRZHU SOXJ WR WKH ,Q FDVH RI &RORUHGV SURJUDP RXWOHW &RQQHFW WKH LQOHW KRVH &KHFN WKH ZDWHU KHDWLQJ &KHFN DXWRPDWLF UHYHUVH WXUQ &KHFN WKH ZDWHU VXSSO\ 7RXFK WKH 7HPS DQG 0HGLF 5LQVH EXWWRQ VLPXOWDQHRXVO\ DQG &KHFN LI WKH GUXP URWDWHV...

  • Page 13: Operation

    5. OPERATION How to use washer Control panel SmartDiagnosis function is available only for the products with LED display a SmartDiagnosis mark. Power Button Start/Pause Options Program dial Button Power Program Dial Press the Power button to turn power on Programs are available according to the and off.
  • Page 14 How to use washer Options Steam: This option is featured with the enhanced washing performance. This option consumes low energy. Rinse + ( Add rinse once. Dealy End : You can set a time delay so that the washing machine will start automatically and finish after a specifed time interval.
  • Page 15 How to use washer Temp. Pre Wash By touching the Temp. button the water If the laundry is heavily soiled, “Pre Wash” temperature can be selected. course is effective. - Cold 1. Touch the Power button. - 20°C, 30°C, 40°C, 60°C, 95°C 2.
  • Page 16 How to use washer Child Lock Select this function to lock the buttons on the control assembly to prevent tampering. "Child Lock" can be set only during the washing cycle. Locking the control panel 1. Touch and hold the Child Lock button for 3 seconds.
  • Page 17 How to use washer Tub Clean Tub Clean is a special cycle to clean the inside of the washing machine. A higher water level is used in this cycle at higher spin speed . Perform this cycle regularly. 1. Remove any clothing or items from the washer and close the door.

  • Page 18: Wiring Diagram/Pcb Layout

    WIRING DIAGRAM/PCB LAYOUT...
  • Page 19 PCB Layout (Main) Dry Heater Wash Heater PCB POWER Moter Stator Control Door Switch V-U/U-W yellow&red:door switch /W-V Blue:door switch →R:8~11Ω Black:door switch Pressure Switch Drain Pump motor Purple&White: common BLDC pump Sky Blue: pressure switch white:U White&Red: pressure switch Blue:V Skyblue:W Display PCB...

  • Page 20: Troubleshooting

    7. TROUBLESHOOTING 7-1. CHECK BEFORE SERVICE Before servicing ask the customer what the trouble is. Check the adjustments. (Power supply :220V-, Removal of transit bolts etc..) Check the troubles referring to the troubleshooting. Decide service steps referring to disassembly instructions. Then, service and repair.

  • Page 21: 7-3.How To Check The Water Level Frequency

    7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY Touch the Spin Intensive button simultaneously. Keeping touch, the digits indicate the water level frequency.

  • Page 22: 7-4.Error Display

    7-4. ERROR DISPLAY If you press the Start/Pause button in error conditio n , any error except will disappear and the machine will change into the pause status. In case of , if the error is not resolved within 20 sec., and in case of all other errors, if the error is not resolved within 4 min., the power will turn off automatically and the error only will blink.
  • Page 23 ERROR SYMPTOM CAUSE The connector in the LEAD WIRE ASSEMBLY is MOTOR LOCKED not connected to the connector of STATOR RROR ASSEMBLY. Reconnect or repair the connector. Page 36 POWER The washer experienced a power failure FAILURE Press the start/pause button Supply warm water into the drum and unfreeze drain hose and drain pump.

  • Page 24: 7-5.Troubleshooting With Error

    7-5. TROUBLESHOOTING WITH ERROR Symptom Check Point 1.INLET VALVE 1.Check Electric Wiring. ERROR 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 Filter Clean...

  • Page 25: Ie (Water Inlet Error)

    Water Inlet Error (IE) [Note] Environmental safety check list 1. No water tap leakage or freeze 4. No entanglement of water supply hose. 2. No water shortage. 5. No water supply hose leakage 3. The inlet filter is not cloggeed. Is the water tap closed ? Check the Water tap...

  • Page 26: Ue (Unbalanced Error)

    Unbalanced Error (UE) 7KH IHZ LWHPV RI FORWKLQJ ZLOO FOXPS WRJHWKHU 'RHV WKH ORDG OHDQ WRZDUG one DQG WKHLU ZHLJKW ZLOO EH LQ RQH SODFH RQ WKH GUXP side RU LV WKH ORDG D few items" WKURZLQJ WKH ZHLJKW RII GXULQJ VSLQ PRGH So add some laundry to overcome UE error.

  • Page 27: Oe (Water Outlet Error)

    Water Outlet Error (OE) &KHFN GUDLQ KRVH IRU NLQN DQG straighten the Hose ,V WKH GUDLQ KRVH NLQNHG " 'UDLQ +RVH &KHFN &OHDQ Pump Filter ,V WKH FORJJHG " Pump filter 7KLV NLQG RI DFFXPXODWLRQ RQ WKH GUDLQ ILOWHU QRW RQO\ SUHYHQWV SURSHU GUDLQDJH EXW DOVR ZLOO SURPRWH EDFWHULD JURZWK DQG FDXVH RGRUV 7KLV GUDLQ ILOWHU VKRXOG EH FOHDQHG RQFH D PRQWK...
  • Page 28 Is the Standpipe Height greater Observe Standpipe Height requirements than 1.0 m above the floor? of 1.0m maximum. - Your washer will not be able to drain out water adequately, if the standpipe exceeds 1.0 m. In this case, water may flow back into the washer. When there is no water in the Check the Air Chamber...

  • Page 29: Fe (Overflow Error)

    FE (Overflow Error) Power off for 10sec. Then power on. Is the water level over reference line and is the water level f requency under 21.3kHz? * Water level frequency - Touch and Hold 'Spin' & 'Intensive' simultaneously. Drain out the water and then Is water continuously check the Air Chamber...

  • Page 30: Pe (Pressure Sensor S/W Error)

    Pressure Sensor S/W Error (PE) Is the Connector connected correctly to Reconnect or repair the Connector Main PCB and the Pressure Switch Or replace the Harness Is the Harness alright ? Is the resistance of the Pressure Switch Replace the Pressure Switch out of range? [Pin1 ~ Pin3]...
  • Page 31 Symptom Check Point 1.PRESSURE 1.Check Electric Wiring. SENSORERROR(PE) 2.Check Pressure sensor’s Resistance. 3.Check Air Chamber and Tubeclogged. Pressure Sensor...
  • Page 32 Door Open Error (dE2) &ORVH WKH GRRU IXOO\ ,V WKH GRRU FORVHG" ,V WKH 'RRU DVVHPEO\ LQ OLQH ZLWK GRRU VZLWFK " 6FUDWFK E\ /DWFK +RRN 7RXFKLQJ /LIW XS &ORVH WKH GRRU ,I WKH G( LV GLVSOD\HG 5HSODFH WKH Door Bracket 'RHV WKH DFWXDWH"...
  • Page 33 Symptom Check Point 1. DOOR OPEN 1.Check Electric Wiring. ERROR(dE) 2.Check latch hook sping.(Cracked) 3.Check Door switch’s Resistance. 4.Check Voltage of Door switch’s connector. 13.1V...

  • Page 34: Te (Thermistor (Heating) Error)

    Thermistor (Heating) Error (tE) Is the Connector connected correctly to Reconnect or repair the Connector Main PCB and the Thermistor and the Heater? Or replace the Harness Is the Harness alright ? Heater for Washing Replace the Thermistor Is the resistance of the Thermistor out of range 44 ~ 53 K at 25°C ? (Page 36)
  • Page 35 Symptom Check Point 1.HEA TING ERROR(tE) 1.Check Electric Wiring. 2.Check Heater’s Resistance. 3.Check Thermistor’s Resistance. 4.Water Leaked into the Thermistor’s Connector. Wash Heater Resistance Main Heater Wash H eater BK 3 24.8 ~ 28.05 YL 3 (1) ~ (2)
  • Page 36 Wash Thermistor Resistance Remarks Main Thermistor [k ] ℉ (℃) 39.5 86(30) 26.1 104(40) Wash NA3 4 12.1 140(60) Thermistor NA3 5 158(70) (1) ~ (2) 203(95) 221(105)

  • Page 37: Le (Motor Lock Error)

    Motor Locked Error (LE) [Pre Check] Gentle wash cycles, such as Perm Press, Delicates, Hand Wash, and Wool/Silk should only be used for smaller loads. Because these cycles are more gentle in tumbling and spinning, putting too much in the drum can register an issue with the motor.
  • Page 38 Symptom Check Point 1. NO POWER 1.C heck Electric Wiring. 2.C heck the Customer’s outlet. 3.C heck Noise F ilter. 4.C heck LED on in Main PWB t l i R esistance Noise Filter [Ω ] WH1 (1) ~ RD1 (3) WH1 (3) ~ RD1 (1)
  • Page 39 Dry Heater Error (dHE) Is the Connector connected correctly to Reconnect or repair the Connector . the Main PCB and the Dry Heater or Fan Motor? Or replace the Harness . Or is the Harness alright? Is the resistance of the Thermistor out of range Replace the Thermistor .
  • Page 40 Dry Heater Trouble Replace the Dry Heater . After power off, is the resistance of Dry Heater out of range 31.464 ~ 34.776 Ω ? Is Thermostat closed ? Replace the Thermostat. When checking voltage between connectors(1,2) on drying, is the voltage AC 230V as the figure ? Replace the PWB assembly (main).
  • Page 41 Dry Fan Motor Trouble Is the Connector connected correctly to Reconnect or repair the Connector . the Main PCB and the Dry Heater or Fan Motor ? Or replace the Harness . Or is the Harness alright? Replace the Dry Fan Motor . Are the resistance same between terminal points? V~U / U~W / W~V : 2~5Ω...

  • Page 42: Troubleshooting Without Error Codes

    8. TROUBLESHOOTING WITHOUT ERROR CODES PF (Power Failure or no power) Is the Power Plug connected Reconnect Power Plug firmly. firmly to the power outlet? Check the fuse or And is the supply voltage reset the circuit breaker. 220V~ AC? Is Multi-plug socket used ? Don’t use Multi-plug...

  • Page 43: Vibration & Noise During Spin

    Vibration & Noise During Spin Have all the Transit Bolts been removed? Remove the Transit Bolts Washer Packing Support Refer to INSTALLATION . (Page 7)

  • Page 44: Detergent & Softener Does Not Flow In

    Detergent & Softener does not flow in Refer to [Water Inlet Error (IE) ] Is water supplied? (page 23) Is detergent & softener put in the correct compartment of the drawer? Only softener Put it in the Correct Position Main Wash Pre Wash (Powder) (Powder)

  • Page 45: Water Leak

    Water Leak 1. Water Leak from Dispenser Is the Dispenser Tray Damaged or warped? Replace the Dispenser Tray Is detergent & softener put in Put it in the Correct Position the correct compartment of the drawer? Only softener Reference (Amount of Detergent & Softener) Main Wash Pre Wash Detergent...
  • Page 46 2. Water Leak from Dispenser Are the gasket (seal) Clean the periphery of Gasket Door regularly. and door cleaned regularly? Is the door or gasket damaged? Replace the damaged parts. 3. Unknown – Water on Floor Are the inlet hoses loose or cracked/split? Replace the Inlet Hoses Check!!
  • Page 47 Using the Smart Diagnosis™ Smart Diagnosis™ Through the Customer Information Centre Function 6KRXOG \RX H[SHULHQFH DQ\ SUREOHPV ZLWK WKH 3UHVV WKH Power EXWWRQ WR WXUQ RQ WKH DSSOLDQFH LW KDV WKH FDSDELOLW\ RI WUDQVPLWWLQJ ZDVKLQJ PDFKLQH 'R QRW SUHVV DQ\ RWKHU GDWD WR D VPDUW SKRQH XVLQJ WKH /* 6PDUW 7KLQ4 EXWWRQV RU WXUQ WKH SURJUDPPH NQRE DSSOLFDWLRQ RU YLD WKH SKRQH WR WKH /* &XVWRPHU...
  • Page 48 Cleaning the Interior WARNING x 8QSOXJ WKH ZDVKLQJ PDFKLQH EHIRUH FOHDQLQJ x 8VH D WRZHO RU VRIW FORWK WR ZLSH DURXQG WKH WR DYRLG WKH ULVN RI HOHFWULF VKRFN )DLOXUH WR ZDVKLQJ PDFKLQH GRRU RSHQLQJ DQG GRRU JODVV IROORZ WKLV ZDUQLQJ PD\ UHVXOW LQ VHULRXV LQMXU\ x $OZD\V UHPRYH LWHPV IURP WKH ZDVKLQJ PDFKLQH DV VRRQ DV WKH F\FOH LV FRPSOHWH x 1HYHU XVH KDUVK FKHPLFDOV DEUDVLYH FOHDQHUV...

  • Page 49: Part Inspection

    9. Par t i nspect i on...
  • Page 53 20~30...

  • Page 54: Disassembly Instructions

    10. DISASSEMBLY INSTRUCTIONS Remove the power cord from the outlet before disassembling or repairing the unit. CONTROL PANEL ASSEMBLY Screws 1 Unfasten the screws from the parts displayed in the fig. 2 Disassemble the top plate assembly by sliding it back and then lifting it up. 3 Pull the drawer panel assembly out.
  • Page 55 PWB ASSEMBLY(MAIN) 1 Unscrew four screws. 2 Disassembly back cover assembly. 3 Unscrew the screw. 4 Pull the PWB assembly in direction of red arrow. 5 Disassembly PWB like the picture. DISPENSER ASSEMBLY 1 The plate assembly(Top) are disassembled. 2 Pull the drawer to arrow direction. 3 Two screws are unscrewed.
  • Page 56 INLET VALVE 1 Disconnect the wiring connector. 2 Remove the valve by two screws of the valve holder. When reconnecting the connector VALVE (Main Wash) White/Black VALVE (Steam) Purple/Black VALVE ( Pre Wash) Gray/Black VALVE (Filter Clean) Blue/Black Rating : 12V Resistant : 20~30 DOOR 1 Open the door completely.
  • Page 57 CABINET COVER 1 The plate assembly(Top) is disassembled. 2 Pull out the drawer and unscrew 2 screws. 3 Lift the side the Control Panel Assembly and pull it out 1 Two screws are unscrewed. Push the hook( ) below. 3 Unscrew the screws from the lower cover . 2 Disassembly cap cover and pump case.
  • Page 58 4 Lift and separate the cabinet cover. NOTE : When assembling the CABINET COVER, connect the Door S/W connector. SWITCH ASSY, DOOR LOCK 1 Two screws are unscrewed and disassembly cabinet cover. 2 The Door Lock S/W is disconnected form the wiring connector and the strap.
  • Page 59 ROTOR ASSEMBLY, STATOR ASSEMBLY, FRICTION DAMPER 1 Remove the back cover. 2 After loosening the bolt, Rotor, pull out the rotor. 1 Remove the 6 bolts from the stator. 2 Disconnect the 2 connectors. Motor Stator V ~ U (8~11 U ~ W (8~11 W ~ V (8~11 1 Remove the hinges (Damper) at the Tub.
  • Page 60 PUMP 1 Disassembly Top Plate, Control Panel, Drawer Panel Assembly, Cabinet Cover Assembly, Lower Cover Assembly 4 Remove pump outlet hose. Bellows 5 Remove tub pump bellows. 6 Remove cap(Remaining Hose). Pump Hose 7 Disconnect the wiring. 8 Three screws are unscrewed from the cabinet. 9 Remove the pump to arrow direction.
  • Page 61 WHEN FOREIGN OBJECT STUCK BETWEEN DRUM AND TUB 1 Remove washing heater. 2 Remove the foreign object(wire,coin,etc) by inserting long bar in the hole.
  • Page 62 How to disassemble Vibration sensor (Only for Vivace 550 model) 1 Open the top plate by removing 2ea screws. Cut cable ties from tub cover. Remove the vibration sensor housing from the Harness Remove the vibration sensor from tub cover.
  • Page 63 How to disassemble Pressure sensor(for Vivace 460, 550 model) 1 Open the top plate by removing 2ea screws. Remove the EPDM hose and connector from the pressure sensor. Turn the pressure sensor 90 degrees counterclockwise. And remove it ※If there is no separate hole, the hook shape of pressure sensor should be broken and separated.(Replace with new one) ※When assembling, the embossed shape of the hook should be aligned in the circular hole.(For horizontal fixing)

  • Page 64: Exploded View And Part List

    EXPLODED VIEW AND PART LIST THE PART L IST OF CAB INET ASS EMBLY A154 A140 A110 A103 A102 A104 A106 A152 A151 A141 A101 A150 F120 A130 A134 A430 A100 A440 K611 A310 A410 A303 A135 A133 A200 A220 A485 A201 COLD (BLUE)
  • Page 65 & DISPENSER ASSEMBLY F321 F462 F160 F300 F433 F432 F310 F430 F225 F441 F220 F110 F210...
  • Page 66 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY K350 K360 K143 K123 F140 K411 K121 K122 K612 K410 K125 K655 K615 K111 K110 K141 K444 F480 K140 K105 K410 K115 K130 K135 K150 K320 K610 K510 K611 K131 K151 K572 F468 K571 F467...
  • Page 67 THE EXPLODED VIEW OF DRYER M100 M240 M111 M216 M110 M210 M215 M101 M110 M120 M100...
  • Page 68 P/No.: MFL69882977...

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