LG LSXC22396S Service Manual
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LG LSXC22396S Service Manual

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SERVICE MANUAL
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic
means), publication, modification, copying or transmission of this Service Manual is STRICTLY
PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from
which you received this Service Manual. The material covered by this prohibition includes, without
limitation, any text, graphics or logos in this Service Manual.
Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes
REFRIGERATOR
CONFIDENTIAL
MODELS:
LSXC22396S

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Summary of Contents for LG LSXC22396S

  • Page 1 Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service Manual.

  • Page 2: Table Of Contents

    9.HOW TO DISASSEMBLE AND ASSEMBLE..........................1. HANDLE REMOVAL......................................2. DISPENSER..........................................3.FAN AND MOTOR DISASSEMBLY METHOD............................... 4. ICE MAKER..........................................5. HOW TO ADJUST THE REFRIGERATOR DOOR LEVEL DIFFERENCE....................10. EXPLODED VIEW...................................... Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 3 Plugging in too many appliances Damage to power plugs can result in fire or problems with could result in fire or the operation of your refrigerator. electric shock. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 4 Be sure the plug and socket are cleanly wipe out them. clean and the connection is tight. Fire may occur. Dust or incomplete connection may result in fire. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 5 If the refrigerator is submerged or otherwise inundated with water, have it checked by an authorized servicer. Electric shock or fire may occur. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 6 Do not check the operation of the ice dispenser or crusher in this manner. You may damage your product, fingers, or tools. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 7 Do not stick your hands or fingers Do not put live animals in the under the bottom of the refrigerator. refrigerator. Watch out for sharp edges. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 8: Product Standard

    250 V / 0.5 A Home bar door switch 250 V / 0.5 A Main Fuse 250 V / 10 A Power cord AC 125 V / 10 A Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 9: Circuit Diagram

    Circuit Diagram Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 10 Including cover PWB (J) 775) Including door (K) 70.3 (1785) Top part 11.8 (300) Minimum air Side 0.8 (20) circulation space Rear part 2.0 (50) Top View Front View Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 11: Appearance Size Of Refrigerator And Name Of Every Part

    Compartment Compartment Dairy Corner LED Lamp Filter LED Lamp Automatic Icemaker Shelf Shelf Refreshment center Shelf Door Bin Freezing Zone Fresh zone Door Bin Door Bin Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 12: Micom Function

    LED Display Indicator Ice Type Water Filter Filter Reset Hold 3sec. Refrigerator Freezer Smart Grid Wi-Fi Ice Plus Ice On/Off Hold 3sec. Lock Hold 3sec. Control Button Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 13 LED Display Indicator Ice Type Water Filter Filter Reset Hold 3sec. Refrigerator Freezer Smart Grid Wi-Fi Ice Plus Ice On/Off Hold 3sec. Lock Hold 3sec. Control Button Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 14 15. If the button of Ice Plus in display is turned off, Ice Plus operation will be canceled. The compulsory operation of F notch in the water tank’s preventing frost is prior to the one of Ice Plus. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 15 3. In selecting compulsory frost removal, alarm sound is repeated and completed in the cycle of On for 0.2 second , Off for 0.2 second, On for 0.2 second and Off for 1.4 second three times. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 16 LED, which are placed at the display part of a refrigerator. All the LED graphics other than a failure code are turned off Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 17 4) If pressing the Press Switch when ices are generated in the ice bank for selecting Cube Ice, the refrigerator operates the gear motor so that Cube ices are supplied outside. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 18 Lock Hold 3sec. Control Button Ice on Mode in factory default setting. Ice on Ice on / off BUTTON Ice off Ice on / off BUTTON Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 19 While ICE OFF indicator is on, Icemaker stops making ice. But you can dispense the ices until the ices run out from the ice storage. Icemaker EJECTOR Feeler Arm Test Button Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 20 Harvest or Fill mode. → → → → 4. After water is supplied, the mormally CYCLE is followed : Icemaking Checking full ice Harvest Fill Water Park Position Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 21 Overcool compensation Refrigerator temperature Remarks compensation JCR3 JCR4 JCR1 JCR2 (Factory default) Above option circuit compensates the refrigerator temperature by simply cutting the circuit during the service. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 22 Micom Circuit description 2. Freezer undercool compensation circuit Temperature compensation from cut JCF3 JCF4 Undercool compensation Freezer temperature Remarks compensation JCF3 JCF4 (Factory default) $ERYH RSWLRQ FLUFXLW FRPSHQVDWHV WKH IUHH]HU WHPSHUDWXUH E\ VLPSO\ FXWWLQJ WKH FLUFXLW GXULQJ WKH VHUYLFH 2-1. Communication circuit and connecting L/wire between main PCB and display PCB $V WKH FRPPXQLFDWLRQ FLUFXLW WKH IROORZLQJ FLUFXLW H[FKDQJHV LQIRUPDWLRQ UHTXLUHG EHWZHHQ PDLQ 0,&20 RI PDLQ 3&% DQG 0,&20 H[FOXVLYHO\ IRU /(' IRU /(' FRQWURO RI GLVSOD\ 3&% 6HQGLQJ5HFHLYLQJ /ZLUH LV UHTXLUHG ZLWK '&9 UHTXLUHG WR RSHUDWH WKH GLVSOD\ 3&%...
  • Page 23 Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Ÿ Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 24 Micom Circuit description Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 25: Compressor

    FLB075L BNA Inverter Stroke Controls the E-Inverter VVVF Modulation algorithm System according to various conditions. **CVCF : Variable Voltage Variable Frequency **CVCF : Constant Voltage Constant Frequency Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 26 |Vm, Im|> 2.5V+20% @ COMP off Stroke |Stroke|>17.5mm No Connect |Stroke|<=9.4mm & While 4 seconds |AC Current|<0.05A Lock |AC Current|>1.0A & |Stroke|<3.0mm 150s Current |Current|>3Ap 360s Communication Error Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 27 Compressor CON201 Time>30sec Power off Disconnect Y& V 200 Replace drver Comp FLB075(A-Inverter) & TEST1 Forced Starting TDC (Full Stroke) Display ON, Buzz 1 time Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 28 This step shows the source voltage of the driver PC board. Step 1. Open PCB Cover Step 2. Check Driver PCB * Driver PCB located in machine room. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 29 Compressor Replace spec. works capacitor Check C intermittently Cycle Cycle Check E Compressor Replace Damage compressor Reset Repeat Stroke trip Check C power check procedure occur? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 30 Compressor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 31 Driver PCB Compressor Replace Damage Compressor Check Reset Repeat Current trip Power Check Procedure occur? Replace Compressor Cycle blockage? Doesn’t works Compressor Sealed system Cycle check Repair Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 32 Compressor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 33 Compressor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 34 Compressor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 35 1. PCB Picture - Main PCB ( P/N : EBR809775**) CON 6 CON 5 CON 2 CON 8 CON 3 CON 7 CON 201 CON 1 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 36: Troubleshooting

    Troubleshooting 2. Display PCB ( P/N : EBR790695**) Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 37 Resistance [Ω] pin ~ 24 -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC 5ºF / -15ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 38 5ºF / -15ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC CON8 Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 39: Refrigerator Sensor Error

    ~ 20 Other Normal CON7 Resistance [Ω] pin ~ 20 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 40 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC CON7 Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 41 Open pin ~18 Other Normal CON7 Resistance [Ω] pin ~18 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 42 Is resistance 0Ÿ (Sensor short)? 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 43 ~ 14 Other Normal CON5 Resistance [Ω] pin ~ 14 32ºF / 0ºC 50ºF / 10ºC 60ºF /16ºC 68ºF / 20ºC 79ºF / 26ºC 86ºF / 30ºC Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 44 60ºF /16ºC 68ºF / 20ºC 79ºF / 26ºC 86ºF / 30ºC CON5 Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 45: Icing Sensor Error

    Resistance [Ω] pin ~ 12 -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 46 -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC CON6 Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 47: Defrost Sensor Error

    ~ 22 Other Normal CON8 Resistance [Ω] pin ~ 22 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 48 Is resistance 0Ÿ (Sensor short)? 50ºF / 10ºC 19.5k 59ºF / 15ºC CON8 Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 49: Defrost Heater Error

    Defrost Heater 48~54 Defrost Sensor TEST MODE 2 Voltage [V] CON3 112V ~ 116V pin ~ 6 TEST MODE 1 Voltage [V] CON3 pin ~ 6 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 50 Check the Defrost control part. TEST MODE 1 Voltage [V] Is Defrost Sensor resistance 22kŸ or OFF? CON3 pin ~ 6 Explain to customer 22kΩ Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 51: Freezer Fan Error

    CON 2 CON8 TEST MODE 1 Voltage [V] CON8 10~12 VDC pin ~ 12 CON8 2~4.5 VDC pin ~ 19 CON8 Not 0V, 5V pin ~ 10 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 52 Rotate fan using hand. CON8 It feel sticky? TEST MODE 1 Voltage [V] Fan Motor CON8 Not 0V, 5V pin ~ 10 6 Explain to customer Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 53: Condenser Fan Error

    CON 2 CON8 TEST MODE 1 Voltage [V] CON8 10~12 VDC pin ~ 16 CON8 2~4.5 VDC pin ~ 20 CON8 Not 0V, 5V pin ~ 14 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 54 Rotate fan using hand. CON8 It feel sticky? TEST MODE 1 Voltage [V] Fan Motor CON8 Not 0V, 5V pin ~ 14 6 Explain to customer Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 55: Communication Error

    (loose connec on) Change the main PCB Check the Red to Blue. Check the pin15 to pin18 of CON5 Check the pin15 to pin17 of CON5 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 56: Icemaker Motor Error

    CON 201 CON 6 CON 5 CON 1 CON 3 CON 2 CON6 Housing Resistance [Ω] CON6 374~456 pin ~ 8 CON6 374~456 pin ~ 10 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 57 Purple and yellow wires. Is Motor repair the Unit Is the Connector disconnected resistance 374~456Ÿ" connector or loose between Main PCB and ICE Maker? CON6 CON6 Change the Main PCB Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 58: Troubleshooting Without Error Display

    2. Check the resistance ( P/N EBR809775**) CON 8 CON 7 CON 201 CON 6 CON 5 CON 1 CON 3 CON 2 Duct Motor Ice Maker Auger Motor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 59 ~ 24 Motor Type Resistance [Ω] Auger Motor Pushing 112~115V Auger Motor 33~ 37 CON3 Not Pushing 0~2V Duct Motor 9.9 ~ 12.1 pin ~ 8 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 60 Voltage [V] Geared Motor Resistance [Ω] Pushing 9~12V Duct Motor Black / white CON6 33 ~ 37 0~2V Harness pin ~ 24 Pushing 6 Explain to customer Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 61 2. Check the resistance ( P/N EBR809775**) CON 8 CON 7 CON 201 CON 6 CON 5 CON 1 CON 3 CON 2 Duct Motor Ice Maker Auger Motor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 62 Motor Type Resistance [Ω] pin ~ 24 Auger Motor Pushing 112~115V Auger Motor 23~27 CON3 Not Pushing 0~2V Duct Motor 9.9 ~ 12.1 pin ~ 7 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 63 Duct Motor Voltage [V] Geared Motor Resistance [Ω] Pushing 9~12V Duct Motor Black / White CON6 23~27 0~2V Harness pin ~ 24 Pushing 6 Explain to customer Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 64 Pilot Valve CON3 0~2V pin ~ 11 Pushing Pushing 112~115V Resistance [Ω] Water valve CON3 Pilot Valve 390~450 0~2V pin ~ 10 Pushing Water valve 330~390 Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 65 Water valve 330~390 Pushing 112~115V Pilot Valve CON3 0~2V pin ~ 11 Pushing Pushing 112~115V Water valve CON3 Explain to customer 0~2V pin ~ 10 Pushing Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 66 Resistance [Ω] Open Door S/W Closed INSPECTION DOOR Voltage [V] POINT 0~2V Close CON7 pin ~ 8 Open LED Lamp Voltage [V] Closed 0~2V Blue~ Black Open Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 67 Check the PCB Voltage. Change the Is CON7 7th pin ~ 8th pin voltage 12V? CON7 INSPECTION DOOR Voltage [V] POINT Close 0~2V CON7 pin ~ 8 Open Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 68 Resistance [Ω] Open Door S/W Closed INSPECTION DOOR Voltage [V] POINT Close 0~2V CON8 pin ~ 18 Open LED Lamp Voltage [V] Closed 0~2V Blue~ Black Open Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 69 3 Check the PCB Voltage. Change the Is CON8 17 pin ~ 18 voltage 12V? CON8 INSPECTION DOOR Voltage [V] POINT 0~2V Close CON8 pin ~ 18 Open Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 70 10~12 VDC CON8 9 pin ~ 19 2~4.5 VDC CON8 9 pin ~ 10 Not 0V, 5V Duct Status F-Fan motor Air Flow Windy Air Temperature Cold Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 71 Is Fan Feed Back voltage 0V,5V ? Change the motor CON8 TEST MODE 1 Voltage [V] CON8 Not 0V, 5V pin ~ 10 8 Explain to customer Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 72 Not 0V, 5V -4ºF / -20ºC 5ºF / -15ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Duct Status Air Flow Windy Air Temperature Cold Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 73 Check the air flow D amper? dampe Change the Go to 4 Fan motor Check the Fan motor. Rotate fan using hand. It feel sticky? Fan Motor Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 74 Is Fan Feed Back voltage 0V,5V ? Change the motor CON8 TEST MODE 1 Voltage [V] CON8 Not 0V, 5V pin ~ 10 9 Explain to customer Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 75 When the COMP & FAN are not operating simultaneously, force operate from the MAIN PCB in TEST MODE to check whether it is operating and then check the power of the COMP end to reset the power. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 76 1.After resetting the power check LED blinking 8 time repeatedly normal operation Communication 2.When the same symptom error occurs again after taking action for 1, replace the PCB Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 77 BO : Bright Orange BK : Black BN : Brown PR : Purple RD : Red GN : Green SB : Sky Blue GY : Gray PK : Pink Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 78 0.97 V 68°F( +20°C) 3.14Ÿ 0.81 V 77°F( +25°C) 2.54Ÿ 0.67 V 86°F( +30°C) 2.07Ÿ 0.56 V 95°F(+35°C) 1.69Ÿ 0.47 V 104°F( +40°C) 1.39Ÿ 0.39 V Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 79 1.89 V 68°F( +20°C) 13.03Ÿ 1.64 V 77°F( +25°C) 10.74Ÿ 1.45 V 86°F( +30°C) 8.89Ÿ 1.27 V 95°F(+35°C) 7.4Ÿ 1.10 V 104°F( +40°C) 6.2Ÿ 0.96 V Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 80 Troubleshooting 4) TEMPERATRUE CHART - AMBIENT SENSOR TEMP RESISTANCE VOLTAGE Wi-Fi Modem Error (E Od) Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 81: How To Disassemble And Assemble

    2) HANDLE REINSTALLATION Note : If the handle mounting fasteners need to be tightened or removed, use a 1/4" Allen wrench. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 82: Dispenser

    As shown below, remove 1 screw on the PCB fixing screw. Remove the display PCB fixing screw. Figure 28 Case, PCB Case, PCB Display PCB Display PCB Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 83: Fan And Motor Disassembly Method

    2.Press the WATER DISPENSER button until water pours out and check for leakage in the CONNECTOR TUBE (It differs by the water pressure but usually takes about 2 minutes until water pours out.) Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 84: Ice Maker

    When you cannot pull out the fresh compartment any more, lift it up slightly to pull it out completely to the front side (outer side.) Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 85 3. After unscrew the two Button Assembly screws,separate the Button Frame.(Requires a small Screw Driver) 3.Hold the home bar with 2 hands and separate the home bar by lifting it up from the door. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 86: How To Adjust The Refrigerator Door Level Difference

    2. When the bottom part of freezer door unleveled. 1. The same as refrigerator room. Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 87 (Remove fire appliances or heating sources near a refrigerator.) • Perform refrigerant discharge for more than 7 minutes. Suction Pipe Discharge Pipe Process Pipe Refrigerant ReturnBag Pinch Plier Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 88 Cut the front part of a process pipe with a cutter. (Check that remaining refrigerant comes out.) Perform welding work such as replacement of compressor and dryer, or repair of leakage part. (Be cautious of fire during welding work.) Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 89 Vacuum work should be performed for an hour. (If vacuum time is short, normal cooling performance may not be exerted due to failure of cooling cycle.) Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 90 Moisture clogged Surface of Clogged capillary Clogged cycle cooler is cold. tube Leakage of Check of Leakage of welding part leakage part refrigerant Leakage of radiator Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 91 HOW TO REMOVE AND REINSTALL THE COVER ASSEMBLY,PCB 1. Open the Home bar. 2. Remove the gasket from gasket channel at doorliner as shown in the illustration below. Gasket Channel Gasket 3. Remove a Screw. 4. Using the lever principle, Insert the Small Screw Driver applies a force to hole.
  • Page 92 HOW TO REMOVE AND REINSTALL THE CASE ASSEMBLY,LAMP When servicing the LEDs, Cover,Lamp is positively necessary. 1. Open the Home bar. 2. Tighten a screw to the cover. 3. Pull a screw using a Plier and disassemble the cover. 3) You should take LED lamps out and pull from the right.

  • Page 93: Exploded View

    #EV# #EV# EXPLODED VIEW FREEZER DOOR 131C 600A 200A 201A 203A 131D 405H 612A 282H 282G 280A 113F 113E 606A 244A 241G...
  • Page 94 #EV# REFRIGERATOR DOOR 241D 241H 271E 230A 231B 231A 271D 241F 309G 233A 212G 310G 232E 212J 244F 279E Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 95 #EV# FREEZER COMPARTMENT 625A 158C 281A 903E 271B 271A 404A 619A 330B 405A 329A 405D 332A 903G 405G 135J 301A 316B 149A 332B 149C 128C 128D 128E 128F 281G 135D 319B...
  • Page 96 #EV# REFRIGERATOR COMPARTMENT 625A 281B 158A 271B 611E 271C 903D 120B 140A 903F 120A 120D 128G 128H 611B 621B 616K 281H 615A 623A 627B 627C 151A 243E...
  • Page 97 #EV# MACHINE COMPARTMENT 103B 411A 501F 410G 410H 308A 501A 304A 316A 307A 105A 314A 314A 317A 318A 319C 404B 405C 405F 329C 323B 319E 312A 319A 315A...
  • Page 98 MFL62215930 Feb, 2017.

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