LG LRSES2706V /01 Service Manual

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SERVICE MANUAL

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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.

REFRIGERATOR

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MODELS:

LRSES2706V /01

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Sergio Delgado

July 5, 2025

Removing and replacing the ice maker on lrses2706v lg model

Summary of Contents for LG LRSES2706V /01

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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 3 (be sure to use the return bag of coolant inside near the place of work, and eliminate them before starting work. within the workplace. During work, be sure to follow the heavy repair procedure. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 4 Plugging in too many appliances Damage to power plugs the operation of your refrigerator. electric shock. Note: The images are for reference. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 5 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 Note: The images are for reference. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 6 If the refrigerator is submerged or otherwise inundated with water, have it checked by an authorized servicer. Copyright © 2020 LG Electronics Inc. All rights Note: The images are for reference. reserved. Only training and service purposes.
Page 7 Rapid cycling of the compressor contamination and degradation. could cause failure. Note: The images are for reference. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 8 It could cause frost bite. Do not put live animals in the under the bottom of the refrigerator. refrigerator. Watch out for sharp edges. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 9: 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 11 Space Around 2” (50 mm) Depth without Door 28 7/10” (730 mm) Depth (Total with Door Open 90°) 50 3/5” (1285 mm) Front Clearance 24” (610 mm) Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 12: Appearance Size Of Refrigerator And Name Of Every Part
Appearance Size of Refrigerator and Name of Every Part 2. Main Name MODEL : LRSES2706* Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 13: Micom Function
-7 °F to 5 °F. after 24 hours. Stop the function manually by pressing the button once more. 2. Display PCB P/N: EBR30338901 Display Design Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 14 ,I WKH EXWWRQ RI ,FH 3OXV LQ GLVSOD\ LV WXUQHG RII ,FH 3OXV RSHUDWLRQ ZLOO EH FDQFHOHG 7KH FRPSXOVRU\ RSHUDWLRQ RI ) QRWFK LQ WKH ZDWHU WDQN¶V SUHYHQWLQJ IURVW LV SULRU WR WKH RQH RI ,FH 3OXV Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved.
Page 15 3. In selecting compulsory frost removal, alarm sound is repeated and completed in the cycle of On for 0.2 second , Of f for 0.2 second, On for 0.2 second and Off for 1.4 second three times. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 16 2. When other error happen, it can be shown automatically after 3 hours later since error happen. DIP S/W Water Display Design Supply Time DIP S/W Time 4.6sec 4.3sec 5.0sec 5.3sec Copyright © 2020 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 18 : Harvest Fill water Ice making To reset the icemaker’s operation, set the power switch OFF position and back it to ON position. Power Switch Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 19 Harvest or Fill mode. → → → → 4. After water is supplied, the mormally CYCLE is followed : Icemaking Checking full ice Harvest Fill Water Park Position Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 20 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 21 2-1. Communication circuit and connecting L/wire between main PCB and display PCB Display PCB L/Wire FD/H( 4 wires) Main PCB DC 12V MICOM exclusively Main MICOM for LCD Send (Error condition) Receive (NO TCH condition) Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 22 5HIULJHUDWRU VHQVRU GHIURVW 0HDVXUHG WHPSHUDWXUH )UHH]HU VHQVRU VHQVRU H[WHUQDO VHQVRU Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 24 2. Corresponding Controller Model Name Plate 3. Standard Print - Applied OLP : THERMALLY PROTECTED - Unused OLP : PROTECTION ELECTRONIQUE(LG Drive Only)/ELECTRONICALLY PROTECTED(LG Drive Only) 4. Serial Number (Example) 604X01276 O 10 – 1 6A471 Series NO. Size: 90mm X 20mm Product Line Lot No.
Page 25 Inverter Error Codes Inverter Error Codes of LED No Connect |Stroke|<=9.4mm & While 4 seconds |AC Current|<0.05A 360s uc_Fo_Trip!= 0 Communication Checksum error Error Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 26: Compressor
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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 27 Compressor Trouble Shooting Trip Information Current/Voltage Sensing Error Over Stroke Comp Connection Error Over Voltage Error Comp Lock Error Over Current Error IPM Error Communication Error Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 33 Sa: Save Multi Multi Po: Power Tester Tester Co: Common Mode Resistance Power( Point B Save( Point A Multi Tester Earth Multi Tester Hermetic terminal FLE165NAMA Specification Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 34 Troubleshooting PCB 1. PCB Picture - Main PCB (P/N: EBR85624963) CON6 CON5 CON10 CON20 CON2 CON8 CON3 CON7 CON4 CON202 CON1_1 CON201 Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 35 Resistance [ohm] pin ~ 24 -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC -13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 36: Troubleshooting
-13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC CON8 Replace the Explain to customer refrigerator Check the Sensor resistance. Is resistance OFF (Sensor open)? Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 37: Refrigerator Sensor Error
~ 20 Other Normal CON7 Resistance [Ω] pin ~ 20 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 38 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 39: Temperature Sensor Error
~ 14 Other Normal CON5 Resistance [ohm] pin ~ 14 23ºF / -5ºC 32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 40 ([SODLQ WR FXVWRPHU UHIULJHUDWRU <HV &KHFN WKH 6HQVRU UHVLVWDQFH ,V UHVLVWDQFH 2)) 6HQVRU RSHQ" Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 41: Icing Sensor Error
-13ºF / -25ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 42 ([SODLQ WR FXVWRPHU UHIULJHUDWRU <HV &KHFN WKH 6HQVRU UHVLVWDQFH ,V UHVLVWDQFH 2)) 6HQVRU RSHQ" Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 43: Defrost Sensor Error
32ºF / 0ºC 41ºF / 5ºC 50ºF / 10ºC 19.5k 59ºF / 15ºC Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 44 ([SODLQ WR FXVWRPHU UHIULJHUDWRU <HV &KHFN WKH 6HQVRU UHVLVWDQFH ,V UHVLVWDQFH 2)) 6HQVRU RSHQ" Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 45: Defrost Heater Error
(P/N: EBR85624963) Resistance [Ω] 48~54 Voltage [V] 112V ~ 116V Voltage [V] Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 46 SLQ a HTR Sheat HTR L-Cord &Fuse-M <HV Fuse-M ([SODLQ WR FXVWRPHU 22kΩ Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 47: Freezer Fan Error
7. Freezer Fan Error (Er FF) (P/N: EBR85624963) Voltage [V] 10~12 VDC 2~4.5 VDC Not 0V, 5V Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 48 Voltage [V] &21 Not 0V, 5V SLQ a 6 ([SODLQ WR FXVWRPHU Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 49: Condenser Fan Error
8. Condenser Fan Error (E CF) (P/N: EBR85624963) Voltage [V] 10~12 VDC 2~4.5 VDC Not 0V, 5V Copyright © 2020 LG Electronics Inc. All rights Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes. reserved. Only training and service purposes.
Page 50 CON8 Rotate fan using hand. It feel sticky? TEST MODE 1 Voltage [V] Fan Motor CON8 Not 0V, 5V pin ~ 14 6 Explain to customer Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 51: Communication Error
Is CON5 15 pin ~ 18 voltage 0V or 5V? Voltage Voltage CON101 Not 0V, CON101 pin ~ 3 CON5 CON5 ~ 18 0V, 5V Explain to customer Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 52: Icemaker Motor Error
1. Check for a loose connection 1. EIt 2. Check Sensor Resistance (P/N: EBR85624963) CON6 Housing Resistance [Ω] CON6 19.7 pin ~ 2 CON6 0~5V pin ~ 13 Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 53 Push the I/M test Key and test the I/M unit or voltage in I/M test mode . Is the Main PCB voltage as below: Voltage [V] CON6 Change ~ 13 between 0~5V Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 54: Troubleshooting Without Error Display
1. Cube mode 1. Check the loose connection doesn’t work 2. Check the resistance 2. Crush mode doesn’t work EBR85624963 ( P/N CON10 CON6 CON5 CON1_1 CON201 Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 55 Not Pushing 0~2V CON6 Duct Motor (RT25 Resistance [ohm] pin~19 Not Pushing 0~2V pin~24 8~14ohm 11.5~12.5V When Push CON6 (maintain 1s) pin~24 Not Pushing 0~2V Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 56 Dispenser Motor CON6 pin~ Not Pushing 0~2V 11.5~12.5V Duct Motor (RT25 Resistance [ohm] When Push CON6 (maintain 1s) pin~24 8~14ohm Not Pushing 0~2V Explain to customer Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 57 Pushing Pushing 112~115V 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 58 INSPECTION POINT LEVER S/W 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 59 Resistance [Ω] 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 60 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 61 Door S/W Closed CON7 INSPECTION DOOR Voltage [V] POINT Close 0~2V CON8 pin ~ 18 Open LED Lamp Voltage [V] Closed 0~2V MODULE Blue~ Black Open Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 62 Change the Is CON8 17 pin ~ 18 voltage 12V? CON8 (F LED Supply) INSPECTION DOOR Voltage [V] POINT 0~2V Close CON8 pin ~ 18 Open Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 63 ~ 12 10~12 VDC CON8 9 pin ~ 19 2~4.5 VDC CON8 9 pin ~ 10 Not 0V, 5V Duct Status Air Flow Windy Air Temperature Cold Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 64 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 65 Not 0V, 5V -4ºF / -20ºC 5ºF / -15ºC 14ºF / -10ºC 23ºF / -5ºC 32ºF / 0ºC Duct Status Air Flow Windy Air Temperature Cold Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 66 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 67 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 68 BO : Bright Orange BK : Black BN : Brown PR : Purple RD : Red GN : Green SB : Sky Blue GY : Gray PK : Pink Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 71 4) TEMPERATRUE CHART - AMBIENT SENSOR TEMP RESISTANCE VOLTAGE Wi-Fi Modem Error (E Od) WiFi Module Error (Od E) 1 Check the loose connection WiFi Connector CON104 Change the Display PCB Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 72: How To Disassemble And Assemble
Assembly,U) in arrow A direction and pull foward in arrow B direction. Be careful because the door may fall, damaging the door, the r, or injuring you. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 73: Fan And Motor Disassembly Method
The assembly is in the reverse order of the disassembly and take special care for the following details. 1.Be careful not to bend the tube during assembly. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 74: 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 75 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 76: How To Adjust The Refrigerator Door Level Difference
2. When the bottom part of freezer door unleveled. 1. The same as refrigerator room. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 77 (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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 78 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 79 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 80 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 © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 81 3. Remove a Screw. 4. Using the lever principle, Insert the Small Screw Driver applies a force to hole. 6. Remove a screw. 5. Disconnect wire harness. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 82 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. Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Page 83: Exploded View
#EV# EXPLODED VIEW FREEZER DOOR 203A 201A 619F 210A 210C...
Page 84 #EV# EXPLODED VIEW REFRIGERATOR DOOR 233C 270F 231A 233A 251C 212G 309G 251A 279E 287A 239A 241D 264B 264E 264C 264D...
Page 85 #EV# EXPLODED VIEW FREEZER COMPARTMENT 281A “612B” needs to be serviced together. 612B 612A 158C 903E 271B 271A 404A 330B 131D 405A 329A 405D 332A 405G 903G 135J 301A 316B 149A 332B 149C 128C 128D 128E 161C 128F 281H 135D 136A 319B 136B...
Page 86 #EV# EXPLODED VIEW REFRIGERATOR COMPARTMENT 271B 271C 120B 158A 140A 903D 120A 903F 627E 120D 154B 136C 128G 128H 281G 154A 610E 623A 151A...
Page 87 #EV# EXPLODED VIEW MACHINE COMPARTMENT 103B 411A 501F 103B 308A 501A 304A 316A 307A 314A 314A 317A 319C 318A 404B 329C 312A 105A 305C 319A 305B 323B 623A 619A...
Page 88 MFL71760658 Sep.2020...

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