LG LFC25765ST Manuale utente
REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE PRODUCT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODELS : LFC25765ST
LFC25765SW
LFC25765SB
CONTENTS
- 2 -
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.
SAFETY PRECAUTIONS ....................................................................................................................................................... 2
1.SPECIFICATIONS ................................................................................................................................................................... 3
2.PARTS IDENTIFICATION ....................................................................................................................................................... 4
3.DISASSEMBLY .................................................................................................................................................................... 5-9
DOOR ............................................................................................................................................................................... 5-6
DOOR ALIGNMENT ............................................................................................................................................................. 6
HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER ................................................................................ ... 7-9
4.ADJUSTMENT ...................................................................................................................................................................... 10
COMPRESSOR ................................................................................................................................................................. 10
5.CIRCUIT DIAGRAM .............................................................................................................................................................. 11
6.TROUBLESHOOTING .......................................................................................................................................................... 12
ERROR CODE SUMMARY ................................................................................................................................................ 12
7.PCB PICTURE ................................................................................................................................................................. 13-14
MAIN PCB .......................................................................................................................................................................... 13
DISPLAY PCB & SUB PCB ............................................................................................................................................... 14
8.TROUBLESHOOTING WITH ERROR DISPLAY ............................................................................................
.............. 15-22
9.TROUBLESHOOTING WITHOUT ERROR DISPLAY ................................................................................................... 23-28
10.REFERENCE .................................................................................................................................................................... 29-32
11.COMPONENT TESTING INFORMATION .................................................................................................................. 33-41
12.TROUBLESHOOTING .................................................................................................................................................39 -49
13.ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR ................................................................. 50- 53
14.EXPLODED VIEW & REPLACEMENT PARTS LIST ...................................................................................................... 54
1. SPECIFICATIONS
- 3 -
Color WHITE BLACK STAINLESS
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
Handle Type
Display Graphic
F, Drawer upper
Ice Tray & Bank
Lamp
Shelf
Egg Bank
Pantry
F, Drawer lower
Lamp
Shelf
GENERAL FEATURES
32 23/32 X 28 30/32 X 69 3/4 (WXDXH)
277 lb
25cu.ft.
R134A(125gr)
TEMPERATURE (N)
115/60
FAN COOLING
MICOM CONTROL
ISO8 (180 ml)
MOLECULAR SIEVE XH-7
Defrosting System FULL AUTOMATIC
HEATER DEFROST
7-50 HOURS
FIN TUBE TYPE
SPECIFICATIONS
MODELS
LFC25765SW LFC25765SB LFC25765ST
FREEZER
1EA PL+1EA PL
BULB
NO
1EA PL+1EA PL
NO
REFRIGERATOR
SPIRAL CONDENSER
CYCLO PENTANANE
LINEAR
ID Ø 0.75
4 HOURS
SHEATH HEATER
HIGH BRIGHTNESS LED
4EA(fixed)
NO
YES(No control)
EMBO
PCM
VISTA
RAPTOR ONLY
PIPE HEATER
NO
TWISTING
DIMENSIONS
Depth w/ Handles
Depth w/o Handles
Depth w/o Door
Depth (Total with Door Open)
Height to Top of Case
Height to Top of Door Hinge
Width
Width (door open 90 deg. w/o handle)
Width (door open 90 deg. w/ handle)
A
B
C
D
E
F
G
H
I
Description
LFC25765**
29
41 ¼
46 ¼
36 ¼
32 ¾
68 38
35 38
69 34
32 78
2. PARTS IDENTIFICATION
- 4 -
Digital Sensor
Control
Refrigerator Light
Shelves
Modular Door Bin
Glide'N'Serve
Ice Bin
Durabase
Divider
Dairy Bin
Modular Door Bin
Bottle Holder
Modular Door Bin
Pullout Drawer
Optibin Crisper
Keeps fruits and
vegetable fresh
and crisp
AUTOMATIC
ICEMAKER
3. DISASSEMBLY
- 5 -
3-1 DOOR
ჀRefrigerator door
1. Remove the top hinge cover and disconnect the wire
harness.
2. Remove the ground screw.
3. Rotate the lever hinge and lift off hinge.
4. Lift off the refrigerator door.
5. Replace in the reverse order.
ჀDoor gasket replacement
1. Insert gasket bracket clips
1) Insert gasket bracket edge beneath door frame edge.
2) Turn upper gasket bracket spring so that both spring
ends are in the door channel.
3) Push in clip until you hear it snap securely into place.
4) Push in remaining two clips until you hear each snap
securely into place.
Note : Make sure that no part of gasket bracket edge
protrudes from beneath door frame edge.
2. Remove gasket bracket clips
There are two clips on each door. Start bracket removal
near one of the middle clips.
1)Pull gasket back to expose gasket bracket clip and
door frame.
2)Insert a flat tip screwdriver into seam between gasket
bracket and door frame and pry back until clips snaps
out.
3)Continue prying back along seam until all clips snap
out.
3. Remove gasket
Pull gasket free from gasket channel on the three
remaining sides of door.
Figure 2
Frame Cover
Handle
Figure 5
Correct Incorrect
Figure 3
Gasket
Bracket Clip
Gasket
Bracket
Flat Tip
Screwdriver
Figure 4
Spring
Gasket
Bracket Clip
Figure 1
HINGE COVER
HINGE
ჀDoor gasket removal
1. Remove door frame cover
Starting at top of cover and working down, snap cover
out and away from door.
Door
Frame
Door
Frame
2. Insert gasket into channel
1) Snap gasket assembly into the door bracket.
Inserting the gasket assembly into the bracket door
3. Replace door frame cover
Starting at top of cover and working down, snap the
cover back into door.
2) Press gasket into channels on the three remaining
sides of door.
Figure 7
Figure 9
Figure 8
3-2 DOOR ALIGNMENT
If the space between your doors is uneven, follow the
instructions below to align the doors:
1. With one hand, lift the door you want to raise at middle
hinge.
2. With other hand, use pliers to insert snap ring as shown.
3. Insert additional snap rings until the doors are aligned.
(Three snap rings are provided with the product.)
Correct
Figure 6
Incorrect
- 6 -
- 7 -
3-3 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER
3-3-1 FOLLOW STEPS TO REMOVE
Step 1) Open the freezer door. Step 2) Remove the lower basket.
Step 3) Remove the two screws from the guide rails (one
from each side).
Step 5) First : Remove the gear from the left side first by releasing the tab behind the gear, place a screwdriver between
the gear and the tab and pull up on the gear.
Second : Remove the center rail.
Third : Remove the gear from the right side by following the same steps for the left side.
NOTE : THIS TAB MUST BE PUSHED IN TO RELEASE THE GEAR.
Step 4) Lift the freezer door up to unhook it from the rail
support and remove.
Pull both rails to full extension.
- 8 -
3-3-2 FOLLOW STEPS TO REINSTALL
Step 1) Reinstall the right side gear into the clip.
Step 2) Insert the rail into the right side gear. Gears do not
need to be perpendicular to each other.
Step 4) The rail system will align itself by pushing the rails
all the way into the freezer section.
Pull the rails back out to full extension.
Step 5) Reinstall the freezer door by inserting the rail tabs
into the guide rail.
Step 6) Reinstall the two screws into the guide rails
(one from each side).
Step 7) Reinstall the lower basket, and close the freezer
door.
Step 3) Insert the rail into the left side gear, and insert the
gear into the clip.
- 9 -
3-3-3 PULL OUT DRAWER
To separate the drawer, push the front left and right hooks in direction to pull up and remove.
Then gently lift the gear part of rear left and right side of the drawer and pull it out in ིdirection.
To install, reposition the gear part of rear left and right side of the drawer after pulling out both rails as much as possible,
and gently push down both left and right side while checking the hook on the front part.
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