LG LRSOC2306 Series Service Manual
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LG LRSOC2306 Series Service Manual

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SERVICE MANUAL
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS
BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR .
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication,
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 © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
REFRIGERATOR
MODEL :
LRSOC2306*

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  • Page 1 Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, 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

    TROUBLE DIAGNOSIS .............................. 74 HOW TO INSTALL REFRIGERATOR ........................ 84 HOW TO SERVICE DOOR DISPLAY ......................90 HOW TO SERVICE FUNNEL ASSEMBLY ....................... 91 EXPLODED VIEW ................................93 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...

  • Page 3: Warnings And Precautions For Safety

    7. Make sure the hook is correctly engaged. the door gasket first and scrap it where children are Remove dust and foreign materials from the housing not accessible. and connecting parts. Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...

  • Page 4: Servicing Precautions

    SERVICING PRECAUTIONS Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...

  • Page 5: Comp Trip Summary

    LED lights the permanently until power OFF OFF signal (intermittent, defrost) LED same as before. Comp. OFF signal is initialized. (intermittent, defrost) LED is initialized. Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...

  • Page 6: Trouble Shooting

    LED is not work. next page) If the Comp & Fan is not operated then input the test mode and check the comp condition. (Operation or not) Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...
  • Page 7 Check Check Comp. About 5min Operation? > 60V Cycle leakage Check Check the Comp. Cycle leakage * Transmits LED blinking number to PDA after completing action Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...
  • Page 8 → Purpose : To detect the compressor voltage and current sensing error. → Restart every 30 seconds after compressor off. Test Mode LED 1 LED 1 About 5min Replace PCB Reset Blinks Blinks 1 Input Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...
  • Page 9 LED 2 Reset About 5min Blinks Blinks 1 Input Comp. Harness PCBA Output Replace PCB Operation? wiring? > 60V? Cycle Repair Check Cycle leakage Harness Comp. Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...
  • Page 10 LED 3 Comp. Harness PCBA Output Reset About 5min Replace PCB Blinks Blinks 1 Input Operation? wiring? > 60V? Cycle Repair Check Cycle leakage Harness Comp. Copyright © 2021 LG Electronics Inc. All rights -10- reserved. Only training and service purposes...
  • Page 11 Æ Logic: Restart every 90 seconds after compressor off. LED 4 LED 4 Test Mode About 5min Reset Replace PCB Blinks Blinks 1 Input Copyright © 2021 LG Electronics Inc. All rights -11- reserved. Only training and service purposes...
  • Page 12 Æ Logic : After the Comp. Off every 2 min 30 seconds restart Comp. LED 5 Comp. Test Mode LED 5 Reset After 5Min Blinks Blinks 1 Input Operation? Check Check Comp. Cycle leakage Copyright © 2021 LG Electronics Inc. All rights -12- reserved. Only training and service purposes...
  • Page 13 Test Mode LED 6 LED 6 Comp. PCBA Output Reset About 5min Replace PCB Blinks Blinks 1 Input Action? > 60V Check Check Comp. Cycle leakage Copyright © 2021 LG Electronics Inc. All rights -13- reserved. Only training and service purposes...
  • Page 14 Æ Logic : After the Comp. Off every 20 seconds restart Comp. LED 7 Test Mode LED 7 Replace PCB Reset About 5min Blinks Blinks 1 Input Copyright © 2021 LG Electronics Inc. All rights -14- reserved. Only training and service purposes...
  • Page 15 Æ Logic : Only LED blinking without the Comp. Off (Comp. is operate command before communication error) Test Mode LED 8 LED 8 About 5min Replace PCB Reset Blinks Blinks 1 Input Copyright © 2021 LG Electronics Inc. All rights -15- reserved. Only training and service purposes...
  • Page 16 To judge whether there is any issue with the PCB operation, check the PCB output voltage. Normal: Voltage 60[V] or higher output at ((COMMON,POWER) or ②(COMMOM,SAVE) Copyright © 2021 LG Electronics Inc. All rights -16- reserved. Only training and service purposes...
  • Page 17 Check the Harness (point A) Harness Replace Check Check the Resistance Check the Resistance failure Compressor Comp. terminal (point B) (point D) Connection error Connection error Copyright © 2021 LG Electronics Inc. All rights -17- reserved. Only training and service purposes...
  • Page 18 Power( ) 5.6 ~ 9 Point B Save( ) 9 ~ 14 Point A FLD165NBMA FLD165NCMA Multi Tester Earth ② Check insulation break-down ① Multi Tester Copyright © 2021 LG Electronics Inc. All rights -18- reserved. Only training and service purposes...

  • Page 19: Heavy Repair Method Of Refrigerator By Application Of Refrigerant

    Check that drafting and air ventilation are well done at a working area and perform work after making drafting and air ventilation smooth (use refrigerant return bag indoors). Be sure to follow heavy repair SVC procedures during work. Copyright © 2021 LG Electronics Inc. All rights -19- reserved. Only training and service purposes...
  • Page 20 1-5. Heave Repair Work Tool R600a refrigerant Bombe Pinch Pliers Refrigerant Discharge Hose Refrigerant Return Bag Vacuum Pump Handy Welding Machine Charging Tube Leakage Tester Drier Copyright © 2021 LG Electronics Inc. All rights -20- reserved. Only training and service purposes...
  • Page 21 Bore the charging pipe of a compressor with pinch pliers. (Remove fire appliances or heating sources near a refrigerator.) Perform refrigerant discharge for more than 7 minutes. Copyright © 2021 LG Electronics Inc. All rights -21- reserved. Only training and service purposes...
  • Page 22 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 © 2021 LG Electronics Inc. All rights -22- reserved. Only training and service purposes...
  • Page 23 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 © 2021 LG Electronics Inc. All rights -23- reserved. Only training and service purposes...
  • Page 24 Check that heat remains at a discharge pipe or condenser with the hands if leakage check is completed. If heat remains, the cooling cycle is normal. (Take care since a discharge pipe may be hot.) Copyright © 2021 LG Electronics Inc. All rights -24- reserved. Only training and service purposes...
  • Page 25 2-8. Failure Checking Procedures Copyright © 2021 LG Electronics Inc. All rights -25- reserved. Only training and service purposes...

  • Page 26: Specification

    Height to Top of Hinge " 2 Back Clearance " 2 Depth without Door 24 7/16" (620 mm) Depth (Total with Door Open 90°) 46 7/16" (1180 mm) Copyright © 2021 LG Electronics Inc. All rights -26- reserved. Only training and service purposes...
  • Page 27 1. MODEL: LRSOC2306* Copyright © 2021 LG Electronics Inc. All rights -27- reserved. Only training and service purposes...

  • Page 28: Circuit Diagram

    CIRCUIT DIAGRAM Copyright © 2021 LG Electronics Inc. All rights -28- reserved. Only training and service purposes...
  • Page 29 CIRCUIT DIAGRAM Copyright © 2021 LG Electronics Inc. All rights -29- reserved. Only training and service purposes...

  • Page 30: Pcb Picture

    PCB PICTURE 7-1. Main PCB (P/N : EBR328812**) CON1 CON9 CON4 CON3 CON201 CON7 CON5 7-2. Display PCB (P/N : EBR327666**) CON101 Copyright © 2021 LG Electronics Inc. All rights -30- reserved. Only training and service purposes...
  • Page 31 PCB PICTURE 7-3. Sub PCB (P/N : EBR328813**) 7-4. Instaview sensor PCB (P/N : EBR301627**) Copyright © 2021 LG Electronics Inc. All rights -31- reserved. Only training and service purposes...
  • Page 32 PCB PICTURE 7-5. Display PCB(optional (P/N : EBR812437**) 7-6. WI-FI PCB (P/N : EBR86421801) Copyright © 2021 LG Electronics Inc. All rights -32- reserved. Only training and service purposes...

  • Page 33: Trouble Shooting

    THE CRAFT ICE MAKER STEP MOTOR FAULT OR HALL IC,L/WIRE SHORT. FAULT MOTOR DRIVING CIRCUIT. MAKER UNIT ABNORMAL CRAFT ICE- THE CRAFT ICE MAKER SENSOR MAKER SENSOR SHORT OR OPEN Copyright © 2021 LG Electronics Inc. All rights -33- reserved. Only training and service purposes...
  • Page 34 Copyright © 2021 LG Electronics Inc. All rights -34- reserved. Only training and service purposes...
  • Page 35 17th pin ~ 18th pin [ohm] -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2021 LG Electronics Inc. All rights -35- reserved. Only training and service purposes.
  • Page 36 -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2021 LG Electronics Inc. All rights -36- reserved. Only training and service purposes.
  • Page 37 ~ 15 Other Normal CON4 Resistance [Ω] pin ~ 15 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 38 Check the Sensor resistance. 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 39 ~ 18 Other Normal CON7 Resistance pin ~ 18 [ohm] 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 40 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 41 Resistance [Ω] pin ~ 22 -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 42 -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 43 ~ 22 Other Normal CON4 Resistance [Ω] pin ~ 22 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 44 Check the Sensor resistance. 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 45 Defrost Heater 48~54 Defrost Sensor TEST MODE 2 Voltage [V] CON9 112V ~ 116V pin ~ 13 TEST MODE 1 Voltage [V] CON9 pin ~ 13 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 46 Check the Defrost control part. TEST MODE 1 Voltage [V] Is Defrost Sensor resistance or OFF? CON9 pin ~ 13 HTR Sheat HTR L-Cord &Fuse-M Fuse-M Explain to customer 22kΩ Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 47 2. Check the PCB Fan motor voltage TEST MODE 1 Voltage [V] CON3 10.8~13.2 VDC pin ~ 16 CON3 2~4.5 VDC pin ~ 14 CON3 Not 0V, 5V pin ~ 15 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 48 Check the Fan motor. Rotate fan using hand. It feel sticky? TEST MODE 1 Voltage [V] CON3 Not 0V, 5V pin ~ 15 6 Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 49 2. Check the PCB Fan motor voltage TEST MODE 1 Voltage [V] CON3 10.8~13.2 VDC pin ~ 12 CON3 2~4.5 VDC pin ~ 11 CON3 Not 0V, 5V pin ~ 10 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 50 Check the Fan motor. Rotate fan using hand. It feel sticky? TEST MODE 1 Voltage [V] Fan Motor CON3 Not 0V, 5V pin ~ 10 6 Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 51 1. Check for a loose connection 1. EIt 2. Check Sensor Resistance Housing Resistance [Ω] CON1 19.7 pin ~ 28 CON1 Change pin ~ 18 Between 0~5V Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 52 Between 0~5V 4. Explain to customer Change the I/M unit Check the I/M motor resistance. Is resistance as below? Housing Resistance [Ω] CON1 19.7 pin ~ 28 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 53: Troubleshooting Without Error Display

    Troubleshooting without Error Display 1. Cube/Crush mode doesn’t work Symptom Check Point 1. Cube/Crush mode 1. Check the loose connection doesn’t work 2. Check the resistance Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 54 Not Pushing 0~2V CON2 Duct Motor (RT25 pin~22 Resistance [ohm] Not Pushing 0~2V WH/BK-RD 8~14ohm 11.5~12.5V CON2 When Push (maintain 1s) pin~16 Not Pushing 0~2V Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 55 Dispenser Motor pin~22 Not Pushing 0~2V Duct Motor (RT25 ) 11.5~12.5V Resistance [ohm] When Push CON2 (maintain 1s) pin~16 BK-RD 8~14ohm Not Pushing 0~2V Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 56 Pilot Valve Pushing CON1 pin ~ 11 0~2V Pushing 19.2~28.8V Water valve Pushing CON1 pin ~ 12 0~2V Pushing Resistance [Ω] Pilot Valve 390~450 Water valve 330~390 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 57 19.2 ~ 28.8V Pilot Valve Pushing CON1 0~2V pin ~ 11 Pushing 19.2 ~ 28.8V Water Valve Pushing CON1 Explain to customer 0~2V pin ~ 12 Pushing Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 58 Resistance [Ω] Door S/W Closed INSPECTION DOOR Voltage [V] POINT Close 0~2V CON4 pin ~ 24 Open LED Lamp Voltage [V] Closed 0~2V Blue~ Black Open Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 59 Check the PCB Voltage. Change the Is CON4 23th pin ~ 24th pin voltage 12V? INSPECTION DOOR Voltage [V] POINT 0~2V Close CON4 pin ~ 24 Open Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 60 Resistance [Ω] Door S/W Closed INSPECTION DOOR Voltage [V] POINT 0~2V Close CON8 pin ~ 20 Open LED Lamp Voltage [V] Closed 0~2V Blue~ Black Open Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 61 3 Check the PCB Voltage. Change the Is CON3 19 pin ~ 20 voltage 12V? INSPECTION DOOR Voltage [V] POINT Close 0~2V CON8 pin ~ 20 Open Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 62 ~ 16 10.8~13.2 VDC CON3 13 pin ~ 15 2~4.5 VDC CON3 13 pin ~ 14 Not 0V, 5V Duct Status Air Flow Windy Air Temperature Cold Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 63 Is Fan Feed Back voltage 0V,5V ? Change the motor TEST MODE 1 Voltage [V] CON3 Not 0V, 5V pin ~ 14 8 Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 64 ~ 16 10.8~13.2 VDC CON3 13 pin ~ 15 2~4.5 VDC CON3 13 pin ~ 14 Not 0V, 5V Duct Status Air Flow Windy Air Temperature Cold Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 65 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 © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 66 Is Fan Feed Back voltage 0V,5V ? Change the motor TEST MODE 1 Voltage [V] CON3 Not 0V, 5V 13th pin ~ 16th pin 9 Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 67 Resistance [Ω] pin ~ 31 -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 68 -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 69 1. Check for a loose connection 2. Check Sensor Resistance 3. Check heater resistance Housing Resistance [Ω] CON3 19.7 pin ~ 28 CON3 Change pin ~ 25 Between 0~5V Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 70 Between 0~5V 4. Explain to customer Change the I/M unit Check the I/M motor resistance. Is resistance as below? Housing Resistance [Ω] CON3 19.7 pin ~ 28 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 71 2. Check Ice maker kit 3. Check heater resistance 1. Icemaking failure Resistance Upper HTR (Red) 14.1 ~ 16.3 Resistance Lower HTR (White) 14.1 ~ 16.3 Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...
  • Page 72 Troubleshooting 8-2. Craft Ice maker Error (gF E) Symptom Check Point 1. gF E 1. Check for a loose connection 2. Check Ice maker kit 3. Check heater resistance...
  • Page 73 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 © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 74 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 © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 75 BO : Bright Orange BK : Black BN : Brown PR : Purple RD : Red GN : Green SB : Sky Blue GY : Gray PK : Pink Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 76 Troubleshooting 2. Display PCB Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 77 Is CON5 15 pin ~ 18 voltage 0V or 5V? Voltage Voltage CON101 Not 0V, pin ~ 14 CON5 CON5 ~ 18 0V, 5V Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 78 Is CON5 15 pin ~ 18 voltage 0V or 5V? Voltage Voltage CON101 Not 0V, pin ~ 3 CON101 CON5 CON5 ~ 18 0V, 5V Explain to customer Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 79 Troubleshooting 2) TEMPERATRUE CHART - FRZ AND ICING SENSOR TEMP RESISTANCE VOLTAGE Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...
  • Page 80 Troubleshooting 3) TEMPERATRUE CHART - REF AND DEF SENSOR TEMP RESISTANCE VOLTAGE Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 81 Troubleshooting 4) TEMPERATRUE CHART - AMBIENT SENSOR TEMP RESISTANCE VOLTAGE Copyright © 2021 LG Electronics Inc. All rights reserved. Only training and service purposes...

  • Page 82: How To Install Refrigerator

    HOW TO INSTALL REFRIGERATOR 1.How to Adjust Door Height of Refrigerator. Copyright © 2021 LG Electronics Inc. All rights -85- reserved. Only training and service purposes...
  • Page 83 Copyright © 2021 LG Electronics Inc. All rights -86- reserved. Only training and service purposes...
  • Page 84 Copyright © 2021 LG Electronics Inc. All rights -87- reserved. Only training and service purposes...
  • Page 85 3. If the freezer does not fixed, inscrew the leg until it reaches on the floor. 2-2. When the bottom part of freezer door unleveled. 1. The same as refrigerator room. Copyright © 2021 LG Electronics Inc. All rights -88- reserved. Only training and service purposes...
  • Page 86 Initial status 0.5 mm raised 1 mm raised 1.5 mm raised ) Open and close the door 2-3 time ) Check door level of terminal differenc Copyright © 2021 LG Electronics Inc. All rights -89- reserved. Only training and service purposes...
  • Page 87 -. Check Resistance of Reed S/W. if it is NG, change it (Number 3) -. Assemble Reed S/W to hinge cover and Assemble Reed S/W Housing Copyright © 2021 LG Electronics Inc. All rights -90- reserved. Only training and service purposes...
  • Page 88 How to disassemble DID button Disassemble button lever by loosening a screw Loosen screw and remove cover of latch Copyright © 2021 LG Electronics Inc. All rights -91- reserved. Only training and service purposes...
  • Page 89 How to disassemble DID button Loosen a screw and pull out latch Loosen a screw and pull out holder Take reversed order for assembling the DID button Copyright © 2021 LG Electronics Inc. All rights -92- reserved. Only training and service purposes...
  • Page 90 2. . Disassemble Knock-On Sensor and wire housin 3. . The assembly operations in the reverse order of disasse ※ Should be attached by dubleside tape on Knock-On sensor. Copyright © 2021 LG Electronics Inc. All rights -93- reserved. Only training and service purposes...
  • Page 91 4. 1) Push the flat screwdriver in the rear of the LED lamp and take the lamp out from the hook. 2) ) Disassemble the combined housing with the flat screwd ver. 3) ) You should take LED lamps out and pull from the righ -94- Copyright © 2021 LG Electronics Inc. All rights...

  • Page 92: How To Service Door Display

    2. Disassemble the harness housing Caution - After the wire is cleaned up, check that you do not interfere with it and than combine Display Copyright © 2021 LG Electronics Inc. All rights -95- reserved. Only training and service purposes...

  • Page 93: How To Service Funnel Assembly

    How to disassemble hose connector Push connecter and pull hose After Replace Funnel assembly, The assembly operations in the reverse order of disassembly Disassemble the screw 2 point Copyright © 2021 LG Electronics Inc. All rights -96- reserved. Only training and service purposes...
  • Page 94 Lever into hook. 2. Remove Cap duct motor Screw. 6.① Spring push front side and then Push body ②　side. ① 3. Remove Cap duct Screw. ② Copyright © 2021 LG Electronics Inc. All rights -97- reserved. Only training and service purposes...
  • Page 95 3-31 HOW TO SERVIER Cap duct,assembly 7. Screw Lever holder braket ※ Check bracket direction 8. Screw Cap duct motor 9. Assembly Housing Cap duct housing Cap duct Heater housing Copyright © 2021 LG Electronics Inc. All rights -98- reserved. Only training and service purposes...
  • Page 96 3-32 How to service Display assembly 1. Screw on top of display 3. Remove the housing 2. Grab the screw and lift with the nipper Copyright © 2021 LG Electronics Inc. All rights -99- reserved. Only training and service purposes...
  • Page 97 Loosen two screw and remove a hinge by using tool (be careful not to fall it down) Separate the housing.(only for GID Models) Lift DID with both hands and separate it from door Copyright © 2021 LG Electronics Inc. All rights -100- reserved. Only training and service purposes...
  • Page 98 2. Aassembly a harness housing at the back side of Cover 3. Fix a screw at the back of Cover 4. Push in Drawer (Refrigerator Room Upper) 5. Push in Cover TV Copyright © 2021 LG Electronics Inc. All rights -101- reserved. Only training and service purposes...
  • Page 99 1. Assemble a harness housing at the top 2. Push in Module 3. Fix a screw at the top 4. Assemble Cover (Freezer Room Upper) Copyright © 2021 LG Electronics Inc. All rights -102- reserved. Only training and service purposes...

  • Page 100: Exploded View

    #EV# EXPLODED VIEW FREEZER DOOR P A R T 621A 616K 201A 180A 501G 612A 203A 206C 131C 278C 613A 621A 280B 131D 279A 113J 402C 279C 210A 210A...
  • Page 101 #EV# EXPLODED VIEW REFRIGERATOR DOOR 287A 205B 231A 233A 206C 241C 241C 241B 241C...
  • Page 102 #EV# EXPLODED VIEW 281B 270B 610F 500P 500Q 103B 332A 402A 502A 411A 271A 402A 903E 500A 405G 404A 329A 405D 330B 149A 135J 120B 149C 332B 154C 128D 128C 136A 319B 408A 154D 103A 301A 281H 136D 612B 135D 131B 123A 131A...
  • Page 103 #EV# EXPLODED VIEW REFRIGERATOR COMPARTMENT 140A 903D 140A 271C 103B 120D 627C 140A 623D 135J 280A 128G 128H 625A 604E 604F 604H 154B 611E 103A 281G 136C 611B 154A 136B 615B 615A...
  • Page 104 #EV# EXPLODED VIEW MACHINE COMPARTMENT 308A 304A 317A 318A 619A 307A 319C 314A 404B 329C 312A 316A 323B 105A 305B 319A 305C 305C 305B...
  • Page 105 P/No. MFL71760681 MAY 19, 2021...

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