LG LFXS28566 Series User manual
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
REFRIGERATOR
SERVICE MANUAL
CONFIDENTIAL
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication,
modication, 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 prohi-
bition includes, without limitation, any text, graphics or logos in this Service Manual.
Copyright © 2018 LG Electronics Inc. All rights reserved. Only training and service purposes.
MODEL : LFXS28566*, LFXS28968*, LMXS28626*, LFCC22426*, LFXS26973*,
LFXS26566*, LFXS26596*, LFXS26973*, LFXS28596*, LFXC22526*,
LFXC22596*
-2-
CONTENTS
SAFETY PRECAUTIONS .........................................................................................................................................2
1. SPECIFICATIONS ................................................................................................................................................3
2. PARTS IDENTIFICATION.....................................................................................................................................4
3. DISASSEMBLY................................................................................................................................................5-18
REMOVING AND REPLACING REFRIGERATOR DOORS ................................................................................................. 5
DOOR ..................................................................................................................................................................................... 6
DOOR ALIGNMENT .............................................................................................................................................................. 7
FAN AND FAN MOTOR(EVAPORATOR) .............................................................................................................................. 7
DEFROST CONTROL ASSEMBLY ....................................................................................................................................... 7
LAMP ....................................................................................................................................................................................... 8
MULTI DUCT ......................................................................................................................................................................... 8
MAIN PWB .............................................................................................................................................................................. 9
DISPENSER .......................................................................................................................................................................... 9
DISPLAY PCB ....................................................................................................................................................................... 9
ICE BUTTON ASSEMBLY ..................................................................................................................................................... 9
WATER BUTTON ASSEMBLY.............................................................................................................................................. 10
ICE CORNER DOOR REPLACEMENT .............................................................................................................................. 10
ICEMAKER REPLACEMENT ......................................................................................................................................... 10-11
SUB PWB FOR WORKING DISPENSER ............................................................................................................................. 11
CAP DUCT MOTOR REPLACEMENT ................................................................................................................................ 11
HOW TO REMOVE A ICE BIN ............................................................................................................................................ 12
HOW TO INSERT A ICE BIN .............................................................................................................................................. 12
HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER ................................................................................ 13-14
WATER VALVE DISASSEMBLY METHOD ........................................................................................................................ 15
FAN AND FAN MOTOR DISASSEMBLY METHOD ............................................................................................................ 15
DRAWER REMOVAL ......................................................................................................................................................... 16
4. ADJUSTMENT....................................................................................................................................................19
5. CIRCUIT DIAGRAM............................................................................................................................................20
6. TROUBLESHOOTING........................................................................................................................................21
7. PCB PICTURE ...............................................................................................................................................22-23
8. TROUBLESHOOTING WITH ERROR DISPLAY ..........................................................................................24-43
9. TROUBLESHOOTING WITHOUT ERROR DISPLAY...................................................................................44-68
10. REFERENCE ...............................................................................................................................................69-72
11. COMPONENT TESTING INFORMATION ...................................................................................................73-79
12. COMPRESSOR TROUBLESHOOTING......................................................................................................80-92
13. ICEMAKER OPEARTING AND TROUBLE SHOOTING METHOD............................................................93-95
14. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM...........................................................................96-100
SAFETY PRECAUTIONS
Please read the following instructions before servicing your refrigerator.
1. Unplug the power before handling any elctrical componets.
2. Check the rated current, voltage, and capacity.
3. Take caution not to get water near any electrical components.
4. Use exact replacement parts.
5. Remove any objects from the top prior to tilting the product.
Copyright © 2016 - 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
-3-
1. SPECIFICATIONS
- 3 -
1. SPECIFICATIONS
1-1 LFXS28566*
ITEMS
7
SPECIFICATIONS
ƽ28 cu.ft.
ITEMS
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SPECIFICATIONS
ƽDIMENSIONS
-4-
2. PARTS IDENTIFICATION
LED interior lamps
Crisper
Fixed Door Bin
Auto-Closing Hinge
In-Door Ice Bin
Door-in-Door Case
Cheese & Butter
and Condiment Bins
Adjustable Refrigerator Shelf
Modular Door Bin
Glide‘N’Serve
Pullout Drawer
Durabase® and Durabase® Divider
- 4 -
Refrigerator Interior
-5-
3. DISASSEMBLY
Removing Refrigerator Door
CAUTION :
Left Door -FIG. 2
CAUTION :
Right Door -FIG. 3
CAUTION :
Figure 1
Figure 2 Figure3
3. DISASSEMBLY
- 5-
-6-
- 6 -
1. Remove gasket
3-2 DOOR
Mullion Removal
1. Remove 2 screws.
Door Gasket Removal
2. Lift Mullion up carefully.
3. Disconnect wire harness.
Door Gasket Replacement
1. Insert gasket into channel
2. Insert mullion into the channel.
Mullion Replacement
1. Connect wire harness.
3. Assemble 2 screws.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
-7-
- 6 -
1. Remove gasket
3-2 DOOR
Mullion Removal
1. Remove 2 screws.
Door Gasket Removal
2. Lift Mullion up carefully.
3. Disconnect wire harness.
Door Gasket Replacement
1. Insert gasket into channel
2. Insert mullion into the channel.
Mullion Replacement
1. Connect wire harness.
3. Assemble 2 screws.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
-7-
-8-
- 8 -
3-6 DEFROST CONTROL ASSEMBLY
Figure 12 Figure 13
3-4 Door Alignment
3-5 FAN AND FAN MOTOR(EVAPORATOR)
Figure 9
Figure 10
Figure 11
-9-
- 8 -
3-6 DEFROST CONTROL ASSEMBLY
Figure 12 Figure 13
3-4 Door Alignment
3-5 FAN AND FAN MOTOR(EVAPORATOR)
Figure 9
Figure 10
Figure 11
- 9 -
方法
3-7-2 Cap Decor LED LAMP(Bottom)
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3-8 MAIN PWB
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Figure 20
Figure 21
Figure 22
-11-
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3-10 ICE CORNER DOOR REPLACEMENT
3-11 ICEMAKER REPLACEMENT
Figure 32
Figure 35
Figure 33
Figure 34
-12-
- 12 -
3-12 CAP DUCT MOTOR REPLACEMENT
CAUTION:
Figure 36
Figure 43
Figure 42
Figure 41
Figure 40
Figure 39
-13-
- 12 -
3-12 CAP DUCT MOTOR REPLACEMENT
CAUTION:
Figure 36
Figure 43
Figure 42
Figure 41
Figure 40
Figure 39
- 13 -
3-17 HOW TO REMOVE A ICE BIN
3-18 HOW TO INSERT A ICE BIN
Figure 44
Figure 45
Figure 46
Figure 47
-14-
- 14 -
3-19 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER
3-19-1 Follow Steps to Remove
-15-
- 14 -
3-19 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER
3-19-1 Follow Steps to Remove
- 15 -
3-19-2 Follow Steps to Reinstall
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-16-
- 16 -
3-21 WATER VALVE DISASSEMBLY METHOD
Figure 60
Figure 61
Figure 62
Figure 63
3-22
-17-
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3-21 WATER VALVE DISASSEMBLY METHOD
Figure 60
Figure 61
Figure 62
Figure 63
3-22
- 17 -
3-23 Drawer Removal
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How to disassemble and
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How to disassemble vegetable box
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1. Cover TV service method (GC-J288***)
Chapter 13 How to disassemble and assemble the vegetable box
-19-
4. ADJUSTMENT
- 19 -
4-2-3 Compressor protection logic
4. ADJUSTMENT
4-1-1 Role
4-1 COMPRESSOR
4-1-2 Note for Usage
4-1-3 Remove the cover PTC
(1) Remove the Cover Back M/C
(2) Loosen two screws on comp base
(3) Use a L-shaped flap tooll to pry off the cover
(4) Assembly in reverse order of disassembly
-20-
5. CIRCUIT DIAGRAM
- 20 -
5. CIRCUIT DIAGRAM
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