LG LFXS28566 Series User manual

• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG TECHNICAL BOOKLET
SVC Bulletins
• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG Technical Booklet
1. SERVICE BULLETINS
2. MARCH NEWSLETTERS
3. ERROR CODE MASTER LIST

• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG TECHNICAL BOOKLET
SVC Bulletins
REFRIGERATOR
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
LFXS28566*
LFXS26973*
LFXS28968*
LMXS28626*
LFXS28596*
LFCC22426*
LMXS28596*
LFXC22526*
LFXC22596*
LFXS26596*
LFCS27596*
Mullion is broken or
not working properly
Mullion needs to be replaced
or door needs to be raised CNZ202000073-01
Deformed, melted, or
burned grille assembly
Replace old SVC parts with
improved parts (Shroud Assembly,
Freezer ; Grille Assembly, Fan)
LSC23924**
LSC23954**
LSXS22423*
CNZ202000055-01

• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG TECHNICAL BOOKLET
SVC Bulletins
REFRIGERATOR
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
REFs with
FC75LBNA,
FLB075LANA,
FLB075LBNA,
and FLA075LANA
compressors
SVC Compressor
Standardization
When replacing compressors,
check to see if it can be replaced
with FLS compressor and perform
PCB Software Update
CNZ201900235-04
LFCS27596S
LFXS26596*
LFXS26973*
LFXS28566*
LFXS28596*
LFXS28968*
LMXS28626*
CF Error code
Noise from back of unit Follow repair process map CNZ201900274-01
LFCC22426*
LFCC23596*
LFCS27596*
LFXC22526*
LFXC22596*
LFXS26596*
LFXS26973*
LFXS28566*
LFXS28596*
LMXS28596*
LMXS28626*
Water leaking from
filter assembly
Check filter and filter head,
replace if necessary CNZ201900372-01
LFXS28596*
LFXS28968d
LFXS30726S
LFXS30766*
LFXS30796*
LMXS28596*
LMXS28626*
LRFDS3006*
LRFVC2406*
LRFVS3006*
LRFXC2406*
BLDC geared auger
motor noise
Check motor cavity’s number &
manufacture date, and replace
dispenser assembly if necessary
CNZ201900449-01
Door holder needs
replacement
Replace parts as listed
on SVC bulletin
REF with GID and DID CNZ201900314-01
IF Error Code
Noise from unit
Remove Grille fan in
freezer room and replace
gasket + main PCB
LFXS26973*
LFXC22596* CNZ201900500-01

• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG TECHNICAL BOOKLET
SVC Bulletins
DRYER
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
DLE3~
DLEX~
DLG3~
DLGX3~
DLGX4~
Softener sheet or Small clothes
got caught in Filter cover Replace a cover guide DFZ201900068-01
WASHER
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
Top Loaders Rust formation around bleach
dispenser hole on top cover
Replace top plate, dispenser funnel,
and dispenser reservoir if necessary DFZ201900071-02
WM3500CW/01
WM3700HWA/02
WM3700HVA/01
WM3800HWA
WM3800HBA
Water remains in dispenser Replace detergent box assembly DFZ201900119-01
WT7800C*
WT7900HBA
Grinding noise, no spin,
burning smell Add leg stoppers DFZ201900156-01
WM3500CW
WM3700HWA/HVA
WM3900HWA/HBA
WM3460C*
IE error Reinstall drain pipe DFZ201900167-01
WT7060C*
WT7100CW
WT7300C*
WT7800C*
WT7900HBA
Grinding, whirring, unusual
noise from motor
Check the washer in rotor
and replace if necessary DFZ201900164-01
WT7300C*
WT7800C*
WT7880HWA
WT7900HBA
Touch button not operating
/ operating intermittently
Replace control panel
/ panel assembly, Front DFZ202000058-01

• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG TECHNICAL BOOKLET
SVC Bulletins
DISHWASHER
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
LDT7797
LDT5665
LDP6797
LDP5676
LDF5545
LDT7808
LSDT9908
LUDP8997
Change of PCB and Harness Replace PCB with updated part CDZ201900009-02
LDP6797**
LDP7808**
LDT7808**
SKSDW2401S
Glide rail jammed, does not
slide out smoothly, has rust Replace glide rail CDZ202000004-01
COOKING
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
LSE4617**
LSE4615**
LSE4613**
LSSE30****
LSG4515**
LSG4513**
LSSG30****
LSD4913ST
Door not closing properly Repair door hinge with new part CVZ202000015-02
LRE3061** Unit not working Replace main / cooktop harness CVZ202000016-01
LRG411*
LSSG301*
LSG****
UPSG3014
Gas smell If there is no gas leakage, change
burner assembly and heat CVZ202000014-01
LSE4617ST
LSE4615ST
LSE4613**
LSE4611**
LTE4815ST
LSD4913ST
LSG4515ST
LSG4513**
LSG4511**
LTG475ST
Knob supporter broken Replace supporter CVZ201900039-02

• The information is intended for experienced Technicians, not for the Customer
• The information is subject to changes or updates without notice
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication, modification, copying or transmission of
this Booklet is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Booklet.
Copyright © 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
MARCH 2020
LG TECHNICAL BOOKLET
SVC Bulletins
HE
MODEL SYMPTOMS HOW TO REPAIR SVC BULLETIN NO.
50UH5500
50UH5530
65UH5500
No Power / IR LED flickering
(Red light) Replace BLU assy if necessary GLZ201900166-01
OLED55B6/65B6
OLED55B7/65B7
OLED55C7/65C7
Module Failure Use changed OLED Module P/N
with included cable kit GLZ201900186-01
2019 LCD and OLED
with On-boarding
On-boarding Main Board
replacement Connect USB in “Factory Mode” GLZ201900168-01
17Y FHD/UHD
18Y FHD/UHD Wi-Fi Network disconnect Replace FFC cable GLZ201900187-01
65UH5500 No Signal / Line Defect Replace with new Panel
(COV35805501) GLZ202000012-01
See bulletin White screen Remove ESD protection diode GLZ201900163-02
60UK60**
60UM71**
60UM72**
White screen Reattach SPCM EMI tape GLZ201900182-01
55LB**
55LY**
No backlight /
Abnormal display Replace with new LED Array GLZ201800141-01
70UM69*
70UM73* No Display Reattach SPCM EMI tape GLZ201900181-01

1. Repair Instruction
Case ①- Mullion is normal. But not working.
Step1) Check the level of product
Step2) Raise the left door(Dispenser door)
Step3) To level the doors, insert a snap ring around the
pin of the hinge(Right door), use wrench to adjust(Left Door)
Step4) Check if the mullion works normally and the doors are even
[SVC Method] Mullion is not working / is broken
Service Bulletin Product : Ref
Bulletin # : CNZ202000073-01
Release Date : 2020.03.16
Applicable for Serial Number : 908KR** ~ 912KR**
Applicable for models
908KR**~912KR**
LFXS28566S, LFXS26973S, LFXS28968S, LMXS28626S, LFXS26596S, LFXS28596S, LFXS26973D, LFXS28596D, LFXS28968D , LMXS28626D, LFCC22426S,
LFXS28566D LFXS28566M, LFXS28596M, LMXS28596S, LFXC22526S, LFXC22526D, LFXC22596S, LFXC22596D, LFXS26596D, LMXS28596D, LFCS27596S
Bulletin Type: Quality Parts Others Applicable only with symptoms with every repair
Symptoms - Mullion is normal. But not working properly.
- Mullion is broken.
Picture
Cause - Door needs to be raised.
- Mullion needs to be replaced.

※ Plesase refer to appendix (page4-5)
Case ②- Mullion is broken. (Spring is not working.)
Step1) Remove the mullion
Step2) Install the new mullion
Step3) Check if the mullion works normally
Page 1
Appendix page4 Appendix page5
(‘19.8.26 ~ ‘19.12.7)

Service Bulletin
2. Current and New (Visual / Part number & Name etc)
Part Name Loc No. As-Is To Be Remark
Plate Assembly,Front 235A AGU75188619 AGU75188619 No change
Exploded View
Page 2
Product : Ref
Bulletin # : CNZ202000073-01
Release Date : 2020.03.16

Appendix
Extended Warranty
This service is covered by an extended warranty Yes No
- If Yes, Parts for ( ) years and Labor for ( ) years by LG.
- If No, Parts and labor are charged to the customer if outside warranty period.
•The warranty period, including any extended warranty above, starts from the original date of purchase.

Part Interchangeable : Scrap Current Part in LG Warehouse : Yes No
Current Part New Part
Current Product Yes Yes
New Product Yes Yes
•The information is available through “https://gsfsplus-america.lge.com” with a valid ID.
•The information is intended tor experienced technicians, not for customer .
•The information is subject to change or update without notice.

Shown upside down to highlight opening
Page 3

Appendix
Page 4
How to Service (Case①Mullion is normal. But not working.)
Step1) Check the level of product
Step2) Raise the left door(Dispenser door)
Step3) To level the doors, insert a snap ring around the
pin of the hinge(Right door),
Step4) Check if the mullion works normally and the doors are even
If the doors are even, you can skip this step .
If the doors are not even.
Mullion is normal Not working due to missing Holder, Door
Before After
clockwise
counter clockwise
If you turn clockwise, product will be raised.
If you turn counter clockwise, door will be raised.
Max 3ea
snap ring

Appendix
Page 5
How to Service (Case②Mullion is broken. Spring is not working….)
Step1) Remove the mullion.
Step2) Install the new mullion
Step3) Check if the mullion works normally
Mullion is broken Not working.
Broken mullion
New mullion
Button works normally <Video- To check if mullion is not broken>
Opening door with the mullion opened,
3~4 times. Verifying operation.
※This is a test only!.
Instruct customer to use door handles only..

LGEMM
Rework of grille assembly SxS
Consecutive: SB2002N03
Service Bulletin Product : SXS
Bulletin # : CNZ202000055-01
Release Date: Feb.2020
Applicable for Serial Number : All serials
Applicable for models GM-L233MQHL, GM-L237MTGL, GM-L239MTGL, GM-L239MTHL, GS66SGS, GS66SVS, LSC23924SB,
LSC23924ST, LSC23924SW, LSC23954ST, LSC23954SW, LSXS22423B, LSXS22423S, LSXS22423W
Bulletin Type : SVC Notice x Parts Others Applicable only with symptoms x With every repair
1. Repair Instruction
Symptoms Deformed, melted, or burned grille assembly
Picture
Cause Lack of Sealing and Evaporator Contact
LG(61)-FO-DI-008.07
Next Page, Please

LGEMM
Repair Instruction
s
embly, Fan
Warning: Check the components before replacing them.
NG OK
it is necessary to check the foam location around the edges on Grille, Fan.
Grille As
s
z
er
It is necessary to check the foam location around the edges on shroud.
NG OK
Shroud Assembly, Free
z
It is necessary to check the foam location around the edges on shroud.
e
mbly, Fan
Shroud Assembly, Fan
Full Ass
e
Make sure all corners are properly sealed
Grill Assembly, Fan
30mm30mm
Evaporator Assembly
LG(61)-FO-DI-008.07
Check position of Sheath Heater. 30mm from the Left and Right side of liner

LGEMM
Repair Instruction
Warning: Check each component before replacing it.
Upper View
r
ille Assembly, Fan
Middle View
G
r
Bottom View
Upper View
u
d Assembly, Freezer
Middle View
Shro
u
Bottom View
LG(61)-FO-DI-008.07

Tape Measure
Tape Measure

Service Bulletin about Er IF, Frost build up on ice fan, Noise(Ice fan, grille fan, frost)
Service Bulletin
Applicable for Serial Number : 805TR** ~ 912TR** / 811KR** ~ 912KR**
1. Repair Instruction
※SVC instruction for Er IF, Frost build up on ice fan, Noise(ice fan, Grille fan, Frost)
- Remove the grille fan in the freezer room, melt the ice built up around ice fan
- Replace the both gasket on the left door(assembled on right surface) with a foam applied one(SVC part).
- Replace the main PCB on the back of refrigerator.
Page 1
Applicable for models : LFXS26973S, LFXS26973D, LFXC22596S, LFXC22596D
Bulletin Type : SVC Notice Parts Others Applicable only with symptoms with every repair
Symptoms Er IF, Frost build up on ice fan,
Noise(Ice fan, grille fan, frost) Picture
Cause Ice build up around Ice Fan after backflow of wet
air due to bad gasket sealing

Product : Ref
Bulletin # : CNZ201900500-01
Release Date : 2019.12.19
