LG LSXS26386D User manual

MODELS:
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
REFRIGERATOR
SERVICE MANUAL
LSXS26466
LSXS26386
LSXS26366
LSXS26326
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CONTENTSCONTENTS
SAFETY PRECAUTIONS ................................................................................................ ............................ 3
1. SPECIFICATIONS .......................................................................................... .......................................... 4
2. PARTS IDENTIFICATION ......................................................................... ............................................... 5
3. DISASSEMBLY ................................................................................................. ....................................... 6
1. Door Alignment.......................................................................................................................................... 6
2. Install Water Filter...................................................................................................................................... 7
3. Refrigerator Shelves.................................................................................................................................. 7
4. Icemaker.................................................................................................................................................... 8
4. HOW TO DISASSEMBLY AND ASSEMBLY................................................ ............................................ 9
1. Removing and Replacing Refrigerator door.............................................................................................. 9
2. Handle Removal........................................................................................................................................ 10
3. Redd S/W.................................................................................................................................................. 11
4. Removing and Replacing Refrigerator and Freezer Led’s........................................................................ 11
5. Fan Shroud Grille....................................................................................................................................... 12
6. Water Valve Tubes Assembly Method....................................................................................................... 13
7. Way Valve Service..................................................................................................................................... 14
8. Dispenser .................................................................................................................................................. 15
9. Disassembly of Fan Motor ………………………………………………………………………………………. 17
5. MICOM FUNCTION ................................................................................................ ................................. 18
6. ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR................................................ 26
1. Working Principles..................................................................................................................................... 26
2. Function on Icemaker................................................................................................................................ 27
3. Ice maker Troubleshooting........................................................................................................................ 30
4. Icemaker Circuit........................................................................................................................................ 31
7. CIRCUIT DIAGRAM................................................................................... ............................................... 32
8. TROUBLE DIAGNOSIS.......................................................... .................................................................. 33
9. PCB ………………………………………………………………………………………………………….......... 55
10. TROUBLESHOOTING WITH ERROR DISPLAY ……………………………………………………....…… 56
11. TROUBLESHOOTING WITHOUT ERROR DISPLAY ……………………………………………………… 74
12. EXPLODED VIEW .................................................................................................................................106

Safety Warning and Cautions
Chapter 1 Safety Warning and Cautions
► Observing cautions for safety can prevent accidents and dangers.
► Cautions are classified into Warning and Caution and the meanings are as follows
WARNING indicates the possibility of serious injury or death if the
instructions are not followed.
Caution indicates a hazardous situation with the possibility of product
damage or personal injury if the instructions are not followed
WARNING
CAUTION
WARNING
Be cautious of electric shock.
Control board (PWB Main and Sub)
uses power supply of about 120 VAC.
Do not allow consumers to directly
repair, disassemble, or modify the
refrigerator.
Harm, electric shock,
or fire could occur.
Be sure the plug and cord are not
pressed by the rear side of the
refrigerator.
Damage to power plugs
could result in fire or
electric shock.
Plug the refrigerator into a
dedicated circuit.
Plugging in too many appliances
can result in fire or problems with
the operation of your refrigerator.

4
If grounding is required, be sure to
consult an electrician.
The refrigerator
must be plugged in
to a properly rated
and grounded
outlet. If you are
not sure of your
voltage or ground,
consult a qualified
and licensed
electrician.
Do not store poisonous,
flammable, or explosive chemicals
in the refrigerator.
There is danger of
explosion and fire.
Do not store medications or
biohazardous products requiring
precise temperature control.
Do not use the refrigerator to store
papers, electronic storage media,
or similar items.
The refrigerator is
for storing food.
This is a consumer
household
appliance and not a
precision device.
If storing or disposing of the
refrigerator, remove the doors
to eliminate the possibility of
children playing in it.
Children may
become entrapped in
the refrigerator.
Unplug the refrigerator for
cleaning or repair. Be sure your
hands are dry when handling the
power cord or plug.
Electric shock or
harm may occur.
Be sure the plug and socket are
clean and the connection is tight.
Dust or incomplete
connection may
result in fire.
Grounding nut
Grounding wire
More than
75cm
Copper
plate
Firstly take power socket out for
Electric shock may occur.
When dusts etc are stained to the
pin part of the power socket,
cleanly wipe out them.
Fire may occur.
Safety Warning and Cautions
WARNING

Do not alter the power cord.
Replace it only with an exact factory
replacement part.
Electric shock or
fire may occur
due to electrical
damage of power
cables.
Do not place heavy objects on the
refrigerator.
Falling objects when
opening or closing doors
may cause injury.
Do not hang or swing from the
refrigerator doors.
Do not allow children to
play with the refrigerator.
The refrigerator may turn
over. Hands and fingers
may be pinched.
Do not use flammables near a
refrigerator.
There is danger of fire.
Do not install the refrigerator next
to a stove or other sources of heat.
There is danger of fire.
When a gas leak occurs, do not
unplug the refrigerator. Open the
doors for ventilation.
There is danger of
burning due to
explosion and
sparking.
Do not clean the refrigerator by
spraying water inside or outside.
It may result in
product damage,
fire, or electric
shock.
This refrigerator is designed for
use as a consumer home
appliance only.
It is not a precision
device for storing
medication or valuables.
Do not install the
refrigerator in a vehicle,
aircraft, maritime vessel,
or other than in a home
environment.
If the refrigerator is submerged or otherwise inundated
with water, have it checked by an authorized servicer.
Electric shock or fire may occur.
Safety Warning and Cautions
WARNING

Do not put glass bottles or other
sealed containers in the freezer.
They may burst, leaving
glass fragments in the food
and possibly causing injury.
Be sure to use rated parts for
replacement of electric parts.
Use factory replacement parts.
Secure the cord behind the
refrigerator.
Do not allow the cord to
hang where it can be
pinched, damaged, or rolled
over by the refrigerator.
Pull the plug out by the plug body;
do not pull the wire to disconnect
the cord.
Damage to power cords
may cause fire or electric
shock.
Keep electrical parts and
connections free from dust and
contamination.
There is danger of fire
from shorting or arcing.
Be sure replacement parts are an
exact fit.
Replacement parts should look
and fit exactly like the original
parts and have the same electric
rating.
Do not let moisture drop onto
electrical parts.
If there is a problem in this area, replace the
parts or tape the wires to prevent
contamination and degradation.
If you unplug the refrigerator or
turn off the power, wait 5 minutes
before plugging it back in
or turning the power on.
Rapid cycling of the compressor
could cause failure.
Do not put your hands, fingers, tools, or other
objects into the icemaker, crusher, or discharge
outlet. Do not check the operation of the ice
dispenser or crusher in this manner.
You may damage your product, fingers, or tools.
Do put the vessel that flower base,
cup, cosmetics or drugs, etc
are contained on the
refrigerator.
Fire or electric shock may occur, or
injury due to dropping may occur.
Do not accumulate objects on a
refrigerator or do not keep
foods in random method.
Dropping of objects when opening
or closing the door may cause
physical injury.
Safety Warning and Cautions
WARNING

Unplug the refrigerator if it is
going to be unused for an
extended period.
Remove all food items,
wipe down the inside of
the refrigerator, dry it
thoroughly, and prop the
doors open to allow air
circulation.
Be sure the floor will support the
weight of the refrigerator.
If the refrigerator is not installed
at a firm, level location, the
doors and icemaker may not
operate properly.
Do not install the refrigerator in a
place where it is subject to
splashing and excess moisture.
Deterioration of insulation
may cause electrical
leakage.
To carry the refrigerator, use the
handles at the top of the back, and
beneath the edge of the front.
Using these handles will
ensure safety and reduce
the possibility of injury.
Do not touch foods, containers, or
the inside of the freezer
compartment with wet hands.
Your hands may stick
to the cold items. It
could cause frost bite.
Be careful to avoid pinching hands
or feet when opening the doors.
Do not stick your hands or fingers
under the bottom of the
refrigerator.
Watch out for sharp
edges.
Do not put live animals in the
refrigerator.
power plugs catching with the end
of plugs without catching cords.
Fire may occur due to electric
shock or short-circuit.
Do not use power cords or power
plugs when they are damaged or
holes of power plugs are loose.
Fire may occur due to
electric shock or
short-circuit.
Safety Warning and Cautions
WARNING

Product Standards
LSXS26466* LSXS26386* LSXS26366* LSXS26326*
742.49L (26.22 Cu.ft)
260.59L (9.20 Cu.ft)
481.90L (17.02 Cu.ft)
Heater
Temperature control
Initial defrost
Defrost cycle
Rest time
Defrost sensor
Temp.fuse (rated/ operation
temperature)
Heater Sheath
Dispenser duct door heater
R-Room home bar heater
F-Room home bar heater
Dispenser heater
Comp’ Running
I/maker geared motor Running
Magic room Damper Heater
R-Room Damper Heater
Water Tank Heater
Water supply Heater
-
AC 250V / 14 ㎌
AC 450V / 20 ㎌
DC 12V / 5W (1EA)
DC 13V
DC 13V
MRA12325
DC 12V / 0.8W
MOLECULAR SIEVE XH-9
DC 12V / 2.5W
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AC 125 V / 10 A
250 V / 10 A
250 V / 0.5 A
250 V / 0.5 A
DC 12V / 5W (1EA)
-
DC 12V / 1W
Φ 0.75
R134a(175g)
120V / 6.5W
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AC 115V / 260W
250V / 72℃
Returend to defrost function when reaching to 5℃
3 Min
9~11 hours (vary depending on condition)
4~5 hours (vary depending on condition)
Auto
Auto
Forced method
Freol Alpha5 oil(175cc)
Forced convection method
Pin tube type
A Logic Inverter operation
2
-
Home bar door switch
Door switch (F-Room/R-Room)
F-Room fan motor
Overload protective device
EvaPoration
Conderser
-
4
2
3
Cyclo-Pentane
Forced method
Effective inner
capacity
R-Room
Freezing cycle
Parts related
with dewing
prevention
Type of heat shield
EvaPoration
F-Room
Product weight (lb)
Outer dimension ( W X D X H )
Method
F-Room
F-Room
Cooling method
F-Room
738.66L (26.09 Cu.ft)
478.07L (16.89 Cu.ft)
260.59L (9.20 Cu.ft)
MICOM(Outside)
MICOM(Outside)
Indirect cooling(F-Control)
260 ± 10%(W)
105 ± 15%(W)
298
35 7/8" x 35 7/8" x 70 3/8"
For
preventing
ice making
End
Start
R-Room
Fixed Shelf
Drawer
Shelf(Movable, Folding)
Rated consumption power of motor
Capacitor
Dryer (drying tube)
Electrical parts
srandard
Power cord
Main Fuse
Egg container
Vegetable room
Compressor driving method
Inside lamp at R-Room
Inside lamp at F-Room
Fan motor for cooling condenser
Defrost
F-Room
Φ 0.7/0.9
R134a(165g)
Model
Fixed Shelf
F-Room oil
Type of refrigerant
Capillary tube
Total inner capacity(L)

Circuit Diagram

Specifications
1. Specifications
ltem
Width
Depth
Height
Minimum air
circulation
space
Model
Width (A)
When opening door by 90° (including handle) (B)
Case (including back handle) (C)
After disassembling door (including hinge, L) (D)
Including door (not including handle) (E)
Including handle (F)
When opening door by 90° (G)
Cabinet (H)
Including cover PWB (J)
Including door (K)
Top part
Side
Rear part
35.9 (912)
39.6 (1005)
28 7 730.( )
31 5 800.( )
33 4 848.( )
35 9 912.( )
50 6 1285.( )
68 9 1750
69 3 1760.( )
70.3 (1785)
11.8 (300)
0.8 (20)
2.0 (50)
Unit : inch (mm)
Front View
Top View
LSXS26466 LSXS26386
LSXS26366 LSXS26326
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