LG LFXS24623S User manual

REFRIGERATOR
SERVICE MANUAL
LFXS24623S
LFXS24623W
LFXS24623B

CONTENTS
SAFETY PRECAUTIONS ................................................................................................................. ............................... 2
1. SPECIFICATIONS ...................................................................................................... ................................................. 3
2. PARTS IDENTIFICATION ........................................................................................... ................................................. 5
3. DISASSEMBLY ........................................................................................................... ................................................. 6
REMOVING AND REPLACING REFRIGERATOR DOORS .................................................... ................................... 6
DOOR ............................................................................................................................. ............................................ 7
DOOR ALIGNMENT ..................................................................................................................... 7
FAN AND FAN MOTOR (EVAPORATOR) ........................................................... ....................................................... 8
DEFROST CONTROL ASSEMBLY ....................................................................... ..................................................... 8
LAMP ............................................................................................................................... ........................................... 8
AIR FILTER ................................................................................................................ ................................................ 9
MAIN PCB ............................................................................................................. ..................................................... 9
DISPENSER ......................................................................................................... ...................................................... 9
DISPLAY PWB REPLACEMENT ........................................................................ ........................................................ 9
FUNNEL REPLACEMENT ....................................................................................... .................................................. 10
SUB PWB FOR DISPENSER .............................................................................. ....................................................... 10
CAP DUCT REPLACEMENT ............................................................................... ...................................................... 10
CAP DUCT MOTOR REPLACEMENT ................................................................. ...................................................... 10
ICE CORNER DOOR REPLACEMENT .................................................................. ................................................... 10
ICEMAKER REPLACEMENT ................................................................................ ..................................................... 11
HOW TO REMOVE A ICE BIN ................................................................................. .................................................. 11
HOW TO INSERT A ICE BIN .............................................................................. ........................................................ 11
HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER ................................. ............................................ 12
WATER VALVE DISASSEMBLY METHOD .................................................................. .............................................. 13
FAN AND FAN MOTOR DISASSEMBLY METHOD .............................................. ..................................................... 13
PULL OUT DRAWER .................................................................................................... ............................................. 13
4. ADJUSTMENT .......................................................................................................................... ................................... 14
5. CIRCUIT DIAGRAM ...................................................................................................... .............................................. 15
6. TROUBLESHOOTINTG ........................................................................................ ...................................................... 16
7. PCB PICTURE ......................................................................................................... .................................................... 17
8. TROUBLESHOOTING WITH ERROR DISPLAY ..................................................... ................................................... 19
9. TROUBLESHOOTING WITH ERROR DISPLAY ..................................................... ................................................... 28
10. REFERENCE ............................................................................................................................. ................................ 37
11. COMPONENT TESTING INFORMATION ................................................................... .............................................. 43
12. TRBOUBLESHOOTING .............................................................................................. .............................................. 52
13. ICEMAKER OPERATING METHOD AND TROUBLESHOOTING .......................... ................................................. 65
14. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM ............................................. ............................................. 69
15. EXPLODED VIEW .......................................................................................................... ........................................... 71
................................................
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
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MULTI DUCT ................................................................................................................ .............................................. 9

1. SPECIFICATIONS
Color STAINLESS WHITE BLACK
Dimensions (in)
Net Weight (lb)
Capacity
Refrigerant
Climate Class
Rated Rating
Cooling System
Temperature Control
Insulation
Compressor
Evaporator
Condenser
Lubricanting Oil
Drier
Capillary Tube
First Defrost
Defrost Cycle
Defrosting Device
Anti-freezing Heater
Water Tank
Auto ice maker
Case Material
Door material STAINLESS PCM PCM
Handle Type
Display Graphic
R-VEGETABLE
Ice Tray & Bank
Lamp
Shelf
Egg Bank
Pantry
F, Drawer lower
Lamp
Shelf
GENERAL FEATURES
ISO8 (180 ml)
MOLECULAR SIEVE XH-7
ID Ø 0.75
4 HOURS
7-50 HOURS
SHEATH HEATER
CYCLO PENTANANE
LINEAR
Defrosting System FULL AUTOMATIC
HEATER DEFROST
24.2cu.ft.
TEMPERATURE (N)
DOOR
HIGH BRIGHTNESS LED
AL SPIRAL CONDENSER
1EA PL+1EA PL
FIN TUBE TYPE
CAPSULE LED
NO
FREEZER
3FIX(S/PROOF)+1FOLD
WATER TUBE HEATER
REFRIGERATOR
R134A
2 CRISPER
EMBO
32 3/4 X 35 3/8 X 69 3/4 (WXDXH)
321lb
B-VISTA
SLIM IN DOOR AUTO ICE MAKER
115/60
FAN COOLING
YES(Digital)
MICOM CONTROL
SPECIFICATIONS
MODELS
LFXS24623S LFXS24623W LFXS24623B
NO
TWISTING
10-Majesty-Brand-Best

2. PARTS IDENTIFICATION
3
5
6
6
1
2
4
ADJUSTABLE REFRIGERATOR SHELVING
1
The refrigerator compartment shelves are adjustable to
allow flexibility for storage needs.
GALLON STORAGE BINS
2
Three interchangeable bins can be arranged to suit your
storage needs.
REMOVABLE ICE STORAGE BIN
3
The ice storage bin can be removed to fill ice buckets,
coolers, or pitchers.
LED INTERIOR LAMPS
4
Refrigerator interior is lit by the LED array.
CAN STORAGE BIN
5
FIXED DOOR BIN
6

3. DISASSEMBLY
3-1 REMOVING AND REPLACING REFRIGERATOR DOORS
Removing Refrigerator Door
CAUTION: Before you begin, unplug the refrigerator. Remove food and bins from doors.
Left Door -FIG. 2
1. Disconnect water supply tube by pushing back on the disconnect ring (3).-FIG. 1
2. Open door. Loosen top hinge cover screw (1).
Use flat tip screwdriver to pry back hooks on front underside of cover (2). Lift up cover.
3. Disconnect door switch wire harness and remove the cover.
4. Pull out the tube.
5. Disconnect all 3 wiring harnesses (4). Remove the grounding screw (5).
6. Rotate hinge lever (6) counterclockwise. Lift top hinge (7) free of hinge lever latch (8).
7. Lift door from middle hinge pin and remove door.
8. Place the door with the insides facing up, on a not scratch surface.
CAUTION: When lifting hinge free from the latch, be careful that door does not fall forward.
Right Door -FIG. 3
1. Open the door, remove 1 screw on the top of the hinge cover. Loosen top hinge cover screw (1). Lift up cover (2).
2. Disconnect door switch wire harness and remove the cover.
3. Rotate hinge lever (3) clockwise. Lift top hinge (4) free of hinge lever latch (5).
4. Lift door from middle hinge pin and remove door.
5. Place the door with the insides facing up, on a not scratch surface.
CAUTION: When lifting hinge free from the latch, be careful that the door does not fall forward.
Figure 2 Figure 3
Figure 1
1) Insert the tube until you can see only one of
the lines printed on the tube.
2) After inserting, pull the tube to ascertain that
it is secure.
3) Assemble clip.

1. Remove gasket
Pull gasket free from gasket channel on the four
remaining sides of door.
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
Press gasket into channels on the four remaining
sides of door.
2. Insert mullion into the channel.
Insert the cover assembly into bracket, door.
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

* Ice Fan Scroll Assembly Replacement
1) Remove the plastic guide on the left side, using a
phillips screwdriver to remove the screws.
2) Pull off the sensor cover.
3) Remove the grill cover.
4) Gently pull on the grill assembly to remove.
5) Disconnect the wiring harness.
6) Remove all screws on the scroll assembly.
(1) (2)
(3) (4)
(5) (6)
3-5 DEFROST CONTROL ASSEMBLY
Defrost Control assembly consists of Defrost Sensor and
FUSE-M.
The Defrost Sensor works to defrost automatically. It is
attached to the metal side of the Evaporator and senses its
temperature. At 46F(8°C), it turns the Defrost Heater off.
Fuse-M is a safety device for preventing over-heating of
the Heater when defrosting.
1. Pull out the grille assembly. (Figure 12)
2. Separate the connector with the Defrost Control
assembly and replace the Defrost Control assembly after
cutting the Tie Wrap. (Figure 13)
Figure 12 Figure 13
GRILLE ASSEMBLY DEFROST-CONTROL
ASSEMBLY
3-3 Door Alignment
If the space between the door are uneven,
follow the instructions to align them.
Remove the Base Grillie. Turn the leveling legs counter
clock wise to raise or clock wise to lower the height of the
front of the refrigerator by using flat blade screw driver or
11/32" wrench. Use the wrench (Included with the User
Manual) to adjust the bolt in the door hinge to adjust the
height. (CCW to raise or CW to lower the height.)
3-4 FAN AND FAN MOTOR(EVAPORATOR)
1. Remove the freezer drawer. (If your refrigerator has an
icemaker, remove the icemaker first)
2. Remove the plastic guide for slides on left side by
unscrewing phillips head screws.
3. Remove the grille by removing 4 screws and pulling the
grille forward.
4. Remove the Fan Motor assembly by loosening 3 screws
and disassembling the shroud.
5. Pull out the fan and separate the Fan Motor and Bracket.
FAN MOTOR
BRACKET
MOTOR
Shroud
Figure 9
Figure 10
Figure 11

1. Unplug refrigerator power cord form outlet.
2. Remove screw with driver.
3. Grasp the cover Lamp, pull the cover downward.
3-6-2 Freezer Compartment Lamp
3-7 MULTI DUCT
1. Remove the upper and
lower caps with a flat
screwdriver and remove
2 screws.
(Figure 19)
2. Disconnect the lead wire
on the bottom position.
Figure 14
Figure 15
3-6 LAMP
Unplug, or disconnect power at the circuit breaker.
If necessary, remove top shelf or shelves.
1) Release 2 screws.
2) Hold both ends and pull down to remove.
3-6-1 Refrigerator Compartment Lamp
Figure 16
4) Use a flat tool as shown below to remove the lamp
cover.
Figure 17
5) To remove the LED assembly, pull apart the cover.
Cover, lamp
Case, lamp
LED, Assembly
3) To remove the lamp case and cover, release 2 screws
as shown.
4. Separate connector.
5. Remove screw with driver.
1. Remove filter cover to turn counterclockwise about
30 degree.
3. Filter cover put on multi duct in position, and turn air filter
clockwise about 30 degree.
2. Remove old air filter from filter cover. Install new
air filter in filter cover to see “FRONT”.
3-8 AIR FILTER

3-9 MAIN PCB
1) Loosen 3 screws on the PWB cover.
3-10 DISPENSER
1) Pull out the drain
2) Remove the PCB cover
3) Disconnect wire harness and replace the main PCB in
the reverse order of removal.
3-11 DISPLAY PCB
As shown below, remove 1 screw on the PCB fixing screw.
Remove the display PCB fixing screw.
3-12 ICE BUTTON ASSEMBLY
1) Remove the 1 screw holding the lever.
2) Remove the spring from the hook.
3) Push and pull on the tab to remove.
CAUTION: When replacing the dispenser cover make
sure the lead wire does NOT come off and the water line
is not pinched by the dispenser.
Case, PCB
Button Lever
Display PCB
Figure 20
Figure 21
Figure 22
Figure 23 Figure 24
Figure 25
Figure 30
Figure 28
Case, PCB Display PCB
Figure 29
Figure 28
2) Use these 2 holes to pull
out the bottom
3) If nozzle is interfered with button, push and pull out the
bottom of button and then pull out the right side.
4) Holding the inner side of
the dispenser pull
forward to remove.
5) Remove the
lead wire.
Figure 26 Figure 27

3-14 ICE CORNER DOOR REPLACEMENT
1) Loosen the front screw as shown in the picture.
2) Lift up the hinge with one hand.
3) Pull out the Ice Corner Door with the other hand.
3-13 WATER BUTTON ASSMEBLY
1) Remove screws.
2) Grasp the Button assembly and lift.
Button Lever
hinge
1) Remove 4 screws as shown.
3-15 ICEMAKER REPLACEMENT
2) Grasp the bottom of motor cover assembly and pull
slowly.
3) Disconnect wire harness from wall of compartment.
In-door
motor
Figure 31
Figure 32
Figure 35
Figure 33
Figure 34