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LG F0J5TY 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 SER VI CING IN TE RN AL PAR TS , USE ONLY SER
SUPPLIED FROM LG.
AFTER SERVICING THE ELECTRIC WIRE, INSURE THAT INSULATION
TAPE IS APPLIED TO PREVENT AN ELECTRICAL SHORT.
MODEL :
F0J5TY/N(P)(0~9)W/S
F4J5TY/N(P)(0~9)W/S
F4J6VY/N(P)(0~9)W/S
F2J6QY/N(P)(0~9)W/S
website :
http://biz.lgservice.com
e-mail : http://LGEservice.com/techsup.html
F2J5TY/N(P)(0~9)W/S
F4J6TY/N(P)(0~9)W/S
F0J6QY/N(P)(0~9)W/S
F4J5QY/N(P)(0~9)W/S
VI CE PARTS
F2J6TY/N(P)(0~9)W/S
F4J5VY/N(P)(0~9)W/S
F2J5QY/N(P)(0~9)W/S
F4J6QY/N(P)(0~9)W/S

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Summary of Contents for LG F0J5TY Series

  • Page 1 CORD TO AVOID THE RISK OF AN ELECTRIC SHOCK. WHEN SER VI CING IN TE RN AL PAR TS , USE ONLY SER VI CE 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 - 240 V ~,50Hz/60Hz PRODUCT WEIGHT 62kg WASHING 155 W SPIN 490 W ELECTRICITY DRAIN MOTOR 37 W CONSUMPTION WASH HEATER 2000 W WASH 46 rpm REVOLUTION F4J******* : No Spin / 400 / 800 / 1000 / 1200 / 1400 SPIN SPEED F2J******* : No Spin / 400 / 800 / 1000 / 1100 / 1200...

  • Page 4: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1. Product Features Inverter Direct Drive system The advanced Brushless DC motor directly drives the drum without belt and pulley. 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 of the machine is greatly improved, giving you perfect results every time.
  • 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 Power plug Transit bolts If the supply cord is damaged, Drawer it must be replaced by the manufacturer or its service agents (For detergent and or a similarly qualified person in fabric softener) order to avoid a hazard. Control panel Drain hose Drum...

  • Page 7: Installation

    4. INSTALLATION INSTALLATION The appliance should be installed as follows. Check the conditions of installation area. 1. Check level ground. horizontal On raised foundations or upper level homes, the vibrations can be caused by the type of flooring. It may be necessary to move machine to a different area in the home or have the floor...
  • Page 9 Connect Drain Hose. If the drain hose is not installed properly, the unit will not drain properly. This allows water to back flow into the unit which can cause odors. Refer to Owner Manual for proper drain hose installation. The odor could also be coming from the home’s drain to which the drain hose is attached. Laundry tub about 100 cm Hose...
  • Page 10 Check the horizontality with a level (Gage). Step 1 If washing machine legs are loose or not Screwed in, then tighten with the spanner wrench. Using the level, level the washing machine from front to back and side to side. A level Higher Tighten...
  • Page 11 Test operation Preparation Press the power button. Press the START/PAUSE button. washing. · Connect the power plug to the · In case of Coloreds program. outlet. · Connect the inlet hose. Check the water heating. Check automatic reverse turn. Check the water supply. ·...

  • Page 12: 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 13 How to use washer Options Intensive ( ) : If the laundry is normal and heavily soiled, “Intensive” option is effective. 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 14 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 15 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 16 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 17: Wiring Diagram / Pcb Layout

    6. WIRING DIAGRAM / PCB LAYOUT Wiring Diagram...
  • Page 18 PCB Layout (Main) PCB POWER Washer Heater Door Switch yellow&red:door switch black:door switch orange:door switch Moter Stator Control V-U/U-W /W-V →R:8~11Ω Inlet valve white&red:common white&black:main white&gray:pre display Water sensor Drain motor BLDC pump blue&white:thermister blue:common white:U violet:pressure switch black:V orange:pressure switch yellow:W...

  • Page 19: Troubleshooting

    7. TROUBLESHOOTING 7-1. CHECK BEFORE SERVICE Before servicing ask the customer what the trouble is. Check the adjustments. (Power supply :220-240V~, Removal of transit bolts etc..) Check the troubles referring to the troubleshooting. Decide service steps referring to disassembly instructions. Then, service and repair.

  • Page 20: 7-3.How To Check The Water Level Frequency

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

  • Page 21: 7-4.Error Display

    7-4. ERROR DISPLAY If you press the Start/Pause button in error condition, 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 22 ERROR SYMPTOM CAUSE • The connector in the LEAD WIRE ASSEMBLY is MOTOR LOCKED not connected to the connector of STATOR ERROR ASSEMBLY. Reconnect or repair the connector. Page 36 POWER The washer experienced a power failure • FAILURE Press the start/pause button NFC MODULE •...

  • Page 23: 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. -.Valve running : 12Vdc ± 5％ Pre wash Main wash...

  • Page 24: 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 25: Ue (Unbalanced Error)

    Unbalanced Error (UE) The few items of clothing will clump together Does the load lean toward one and their weight will be in one place on the drum, side, or is the load a few items? throwing the weight off during spin mode. So add some laundry to overcome UE error.

  • Page 26: Oe (Water Outlet Error)

    Water Outlet Error (OE) Check drain hose for kink and straighten the Hose. Is the drain hose kinked ? Drain Hose Check & Clean Pump Filter. Is the Pump filter clogged ? This kind of accumulation on the drain filter not only prevents proper drainage, but also will promote bacteria growth and cause odors.
  • Page 27 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 28: 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 ’ & ‘ Rinse +’...

  • Page 29: 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. Harness Is the alright ? Pressure Switch Is the resistance of the Replace the Pressure Switch.
  • Page 30 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 MAIN PWB Micom VT WH SB Resistance Pressure Main Sensor 21 ~ 23 BL6 4 PRESSURE (1) ~ (3) BL6 5 (±...

  • Page 31: De2 (Door Open Error)

    Door Open Error (dE2) Close the door fully. Is the door closed? Is the Door assembly in line with door switch ? Scratch by Latch Hook Touching Lift up & Close the door. If the dE is displayed, Replace the Door Bracket.
  • Page 32 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 Door switch Result Remark (Type2) (2) ~ (4) 700~1500 At 77 (25 ) At 77 (25 ) 90~120 With Latch...

  • Page 33: 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. Harness Is the alright ? Heater for Washing Replace the Thermistor. Is the resistance of the Thermistor out of range 44 ~ 53 K at 25°C? (Page 17)
  • Page 34 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 13.1V Resistance Main Heater Wash H eater BK 3 12 ~ 18 YL 3 (1) ~ (2)
  • Page 35 Wash Thermistor BL 6 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 36: 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 37 Symptom Check Point 1. NO POWER 1.Check Electric Wiring. 2.Check the Customer’s outlet. 3.Check Noise Filter. 4.Check LED on in Main PWB t l i Resistance Noise Filter [Ω ] WH1 (1) ~ RD1 (3) WH1 (3) ~ RD1 (1)

  • Page 38: 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. 220~240V AC? Is Multi-plug socket used ? Don’t use Multi-plug...

  • Page 39: 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 40: 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 41: 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 42 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 43: Before Using The Tag On Function

    Before using the Tag On function The Tag On function allows you to conveniently use the LG Sma rtDiagnosis and Cycle Download features to communicate with your appliance right from your own smart phone. To use the Tag On function: 1.
  • Page 44 NFC-equipped phones may be unable to transmit successfully. Press in the LG Smart Laundry & DW app for a more detailed guide on how to use the Tag On function. NFC reading performance of your smart phone is must be higher than a certain level for...

  • Page 45: Part Inspection

    9. Par t i nspect i on...

  • Page 49: 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 50 PWB ASSEMBLY(MAIN) 1 Unscrew two screw of the PWB 2 First Disassembly atomizing hose from the PWB and Pull the PWB assembly in direction of red arrow 3 Disassembly PWB like the picture DISPENSER ASSEMBLY 1 The plate assembly(Top) are disassembled. 2 Pull the drawer to arrow direction.
  • Page 51 INLET VALVE 1 Disconnect the wiring connector. 2 Remove the valve by two screws of the valve holder. When reconnecting the connector VALVE (PRE-WASH) WHITE/BLACK-BLACK or GRAY-BLACK VALVE (NORMAL-WASH) GRA Y/BLACK Rating : 12V Resistant : 20 ~ 30 DOOR 1 Open the door completely.
  • Page 52 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. 2 Push out PANEL ASSEMB L Y , CONTROL after Push the hook( ) below.
  • Page 53 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 54 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 U V W V ~ U (8~11 ) U ~ W (8~11 ) W ~ V (8~11 ) 1 Remove the hinges (Damper) at the Tub.
  • Page 55 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 56 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 57: Exploded View And Part List

    EXPLODED VIEW AND PART LIST THE PART L IST OF CAB INET ASS EMBLY A154 A134 A103 A102 A106 A110 A152 A151 A150 A141 A101 A100 A130 A430 A440 A140 A410 A133 A200 A310 A135 A303 A220 A485 A201 A450 Inlet hose Ass.
  • Page 58 THE EXPLODED VIEW OF CONTROL ANEL & DISPENSER ASSEMBLY F321 F462 F170 F300 F160 F432 F430 F225 F441 F220 F120 F215 F110 F210...
  • Page 59 THE E XPLODE D VIE W OF DRUM & TUB ASSEMB LY K350 K360 K143 K123 F140 K411 K121 K122 K410 K125 F320 K320 K111 F310 F466 K110 K141 F464 K140 K105 K410 K115 K130 K135 K610 K510 K611 K131 F468 K571 F467...
  • Page 60 P/No.: MFL69882925...

This manual is also suitable for:

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