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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODEL : LMX25984** COLOR : STAINLESS(ST)
SMOOTH BLACK
SUPER WHITE
CONTENTS
SAFETY PRECAUTIONS ....................................................................................................................................................... 2
1. SPECIFICATIONS .............................................................................................................................................................. 3
2. PARTS IDENTIFICATION .................................................................................................................................................. 4
3. DISASSEMBLY ............................................................................................................................................................. 5-14
REMOVING AND REPLACING REFRIGERATOR DOORS ............................................................................................... 5
DOOR INSTALLATION ....................................................................................................................................................... 6
DOOR .............................................................................................................................................................................. 7-8
TO REMOVE THE DISPENSER ......................................................................................................................................... 8
DOOR ALIGNMENT ........................................................................................................................................................... 8
FAN AND FAN MOTOR(Evaporator) .................................................................................................................................. 8
ICE FAN SCROLL ASSEMBLY REPLACEMENT ...............................................................................................................9
DEFROST CONTROL ASSEMBLY .................................................................................................................................... 9
LAMP .................................................................................................................................................................................. 9
CONTROL BOX-REFRIGERATOR .................................................................................................................................... 9
MULTI DUCT .................................................................................................................................................................... 10
MAIN PWB, DISPLAY PWB REPLACEMENT, FUNNEL REPLACEMENT ..................................................................... 10
SUB PWB FOR DISPENSER, DUCT DOOR REPLACEMENT, ICE CORNER DOOR
REPLACEMENT, ICE MAKER ASSEMBLY ..................................................................................................................... 11
AUGER MOTOR COVER, AUGER MOTOR REPLACEMENT ........................................................................................ 12
DOOR ICE BIN ................................................................................................................................................................. 13
HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER .............................................................................. 14-17
4. ADJUSTMENT ............................................................................................................................................................ 18-19
COMPRESSOR ................................................................................................................................................................ 18
PTC-STARTER ................................................................................................................................................................. 18
OLP(OVERLOAD PROTECTOR) ..................................................................................................................................... 19
TO REMOVE THE COVER PTC ...................................................................................................................................... 19
5. CIRCUIT DIAGRAM ......................................................................................................................................................... 20
6. TROUBLESHOOTING ................................................................................................................................................ 21-25
COMPRESSOR AND ELECTRIC COMPONENTS .......................................................................................................... 21
OTHER ELECTRICAL COMPONENTS ............................................................................................................................ 22
SERVICE DIAGNOSIS CHART ........................................................................................................................................ 23
REFRIGERATION CYCLE .......................................................................................................................................... 24-25
7. OPERATION PRINCIPLE & REPAIR METHOD OF ICEMAKER .............................................................................. 26-28
8. DESCRIPTION OF FUNCTION, CIRCUITS & ERROR CODES ................................................................................ 29-45
9. EXPLODED VIEW & REPLACEMENT PARTS LIST ..................................................................................................... 46-
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.
-2-
1. SPECIFICATIONS
21 cu. ft
ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS
DOOR DESIGN Side Rounded VEGETABLE TRAY Opaque Drawer Type
DIMENSIONS (inches) 35 3/4 X 30 X 69 3/4 (WXDXH) 21cu.ft COMPRESSOR Recipro
NET WEIGHT (pounds) 324.18 (21cu.ft) EVAPORATOR Fin Tube Type
COOLING SYSTEM Fan Cooling CONDENSER Wire Condenser
TEMPERATURE CONTROL Micom Control REFRIGERANT R-134a (140g)
Full Automatic LUBRICATING OIL ISO10 (280 ml)
DEFROSTING SYSTEM
Heater Defrost DEFROSTING DEVICE SHEATH HEATER
DOOR FINISH Embossed Metal, VCM, Stainless REFRIGERATOR LED Module(27)
LAMP
HANDLE TYPE Bar FREEZER LED Module(9)
INNER CASE ABS Resin
INSULATION Polyurethane Foam
DIMENSIONS
Description LMX25984**
Depth w/ Handles A 30.
Depth w/o Handles B 27 1/2 in.
Depth w/o Door C 23 5/8 in.
Depth (Total with Door Open) D 42 1/4 in.
Height to Top of Case E 68 3/8 in.
Height to Top of Door Hinge F 69 3/4 in.
Width G 35 3/4 in.
Width (door open 90 deg. w/o handle) H 39 1/4 in.
Width (door open 90 deg. w/ handle) I 44 1/4 in.
-3-
2. PARTS IDENTIFICATION
1 ADJUSTABLE REFRIGERATOR SHELVING
The refrigerator compartment shelves are adjustable to
allow flexibility for storage needs.
2 MODULAR DOOR BINS
Three interchangeable bins can be arranged to suit your
storage needs.
3 REMOVABLE ICE STORAGE BIN
The ice storage bin can be removed to fill ice
buckets,coolers,or pitchers.
4 INTERIOR LAMPS
Two separate LED arrays light the freezer and refrigerator
interiors.
5 FIXED DOOR BIN
6 FIXED DOOR BIN
7 INTERIOR LAMP
-4-
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 (4).-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. Remove cover.
4. Pull out the tube(3).
5. Disconnect the three wire harnesses (4). Remove the grounding screw (5).
6. Rotate hinge lever (6) counterclockwise. Lift top hinge (7) free of hinge lever latch (8).
CAUTION : When lifting hinge free of latch, be careful that door does not fall forward.
7. Place door, inside facing up, down onto a non-scratching surface.
Right Door -FIG. 3
1. Open door. Loosen top hinge cover screw (1). Lift up cover (2).
2. Disconnect door switch wire harness. Remove cover.
3. Disconnect wire harness (3).
4. Remove the grounding screw (4).
4. Rotate hinge lever (5) clockwise. Lift top hinge (6) free of hinge lever latch (7).
CAUTION : When lifting hinge free of latch, be careful that door does not fall forward.
5. Lift door up from middle hinge pin door.
6. Place door, inside facing up, down onto a non-scratching surface.
Figure 2 Figure 3
(5)
(6)
(7)
(4)
(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.
-5-
3-2 DOOR Door Gasket Replacement
1. Insert gasket bracket clips
Door Gasket Removal
1) Insert gasket bracket edge beneath door frame edge.
1. Remove door frame cover
2) Turn upper gasket bracket spring so that the spring
Starting at top of cover and working down, snap cover
ends are in the door channel.
out and away from door.
3) Push in clip until you hear it snap securely into place.
Gasket
Frame Cover Bracket Clip
Handle
Spring
Door
Frame
Correct Incorrect
Figure 1 Figure 4
2. Remove gasket bracket clips 4) Push in remaining clip until you hear it snap securely
There are two clips on each door. Start bracket removal into place.
near one of the middle clips. Note : Make sure that no part of gasket bracket edge
1)Pull gasket back to expose gasket bracket clip and protrudes from beneath door frame edge.
door frame.
2)Insert a flat tip screwdriver into seam between gasket
bracket and door frame and pry back until clips snap 2. Insert gasket into channel
out. 1) Snap gasket assembly into the door bracket.
3)Continue prying back along seam until all clips snap
out.
Gasket
Door Bracket Clip
Frame
Flat Tip
Screwdriver
Correct
Gasket
Bracket
Figure 2
3. Remove gasket
Pull gasket free from gasket channel on the three
remaining sides of door.
Incorrect Figure 5
Figure 3
-6-
2) Press gasket into channels on the three remaining sides 3-3 DOOR ALIGNMENT
of door.
If the space between your doors is uneven, follow the
instructions below to align the doors:
1. Remove the Base Grillie.
2. Turn the leveling legs (CCW) to raise or (CW) to lower
the height of the front of the refrigerator by using flat
blade screw driver or 11/32" wrench.
3. 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.)
Figure 6
3. Replace door frame cover
Starting at top of cover and working down, snap cover
back into door.
Figure 8
3-4 FAN AND FAN MOTOR(EVAPORATOR)
Figure 7
1. Remove the freezer shelf. (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 one screw and pulling the
grille forward.
4. Remove the Fan Motor assembly by loosening 2 screws
and disassembling the shroud.
5. Pull out the fan and separate the Fan Motor and Bracket.
FAN MOTOR
BRACKET FAN
MOTOR
GRILLE Figure 9
CAUTION
DO NOT ATTEMPT TO REMOVE THE MULLION :
REFRIGERANT LINES!
-7-
* Ice Fan Scroll Assembly Replacement 3-6 LAMP
Unplug Refrigerator, or disconnect power at the circuit
1) Remove the plastic guide for slides on left side by breaker.
unscrewing phillips head screws. If necessary, remove top shelf or shelves.
2) Pull the grille forward as shown in the second picture.
3) Disconnect wire harness of the grille.
4) Remove the scroll assembly by loosening all screws. 3-6-1 Refrigerator Compartment Lamp
1) Release 2 screws.
2) Hold both ends with your both hands and pull it
downward to remove it.
(1) (2)
Figure 12
3) Use a flat tool as shown below to remove the cover
lamp.
(3) (4)
3-5 DEFROST CONTROL ASSEMBLY
Defrost Control assembly consists of Defrost Sensor and Figure 13
FUSE-M. 4) As shown below, use a flat tool to remove the cover
The Defrost Sensor works to defrost automatically. It is lamp.
attached to the metal side of the Evaporator and senses its
temperature. At 46