LG LSC27931SB Bedienungsanleitung

CAUTION

PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL

BEFORE CHECKING OR OPERATING THE REFRIGERATOR.

REFRIGERATOR

SERVICE MANUAL

PUSH

MODELS:

LSC27931SB

LSC27931ST

LSC27931SW

/05

/03

/04

ECN (Engineering Change Number)

Rev.01

Improve energy consumption

• Evaporator Assembly

• Fan Assembly

• Shroud Assembly,Freezer

• Grille Assembly,Fan

• Controller Assembly

• Bracket,Motor

• Heater,Sheath

• PCB Assembly,Main

Rev.02 (STS model) / Rev.03 (SW model) / Rev.04 (SB model)

New Dispenser

• Cover Display

• Compressor

• Motor DC

• PCB (Main & Display)

• Cap Duct Assembly

Rev.03 (STS model) / Rev.04 (SW model) / Rev.05 (SB model)

DOE consumption

• Ice Maker (Change from AC to DC)

CONTENTS

WARNINGS AND SAFETY PRECAUTIONS ..........................................................................

1. SPECIFICATIONS ...............................................................................................................

2. PARTS IDENTIFICATION ...................................................................................................

3. HOW TO INSTALL REFRIGERATOR .................................................................................

4. HOW TO DISASSEMBLE AND ASSEMBLE......................................................................

5. MICOM FUNCTION .............................................................................................................

6. EXPLANATION FOR MICOM CIRCUIT ..............................................................................

7. ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR............................

8. CIRCUIT ..............................................................................................................................

9. TROUBLE DIAGNOSIS ......................................................................................................

10. EXPLODED VIEW .............................................................................................................

- 2 -

Please observe the following safety precautions to use the

refrigerator safely and correctly and to prevent accident or

injury when servicing.

1. Be careful of an electric shock. Disconnect power cord

from wall outlet and wait for more than three minutes

before replacing PWB parts. Shut off the power

whenever replacing and repairing electric components.

2. When connecting power cord, please wait for more than

five minutes after power cord was disconnected from the

wall outlet.

3. Please check if the power plug is pressed by the

refrigerator against the wall. If the power plug was

damaged, it could cause fire or electric shock.

4. If the wall outlet is overloaded, it may cause a fire.

Please use a dedicated circuit for the refrigerator.

5. Please make sure the outlet is properly grounded.

Particularly in a wet or damp area.

6. Use standard electrical components.

7. Make sure hooks are correctly engaged.

Remove dust and foreign materials from the housing

and connecting parts.

8. Do not fray, damage, run over, kink, bend, pull out, or

twist the power cord.

9. Please check for evidence of moisture intrusion in the

electrical components. Replace the parts or mask with

insulation tape if moisture intrusion was confirmed.

10. Do not touch the icemaker with hands or tools to

confirm the operation of geared motor.

11. Do not suggest that customers repair their refrigerator

themselves. This work requires special tools and

knowledge. Non-professionals could cause fire, injury,

or damage to the product.

12. Do not store flammable materials such as ether,

benzene, alcohol, chemicals, gas, or medicine in the

refrigerator.

13. Do not put anything on top of the refrigerator,

especially something containing water, like a vase.

14. Do not put glass bottles with full of water into the

freezer. The contents will freeze and break the glass

bottles.

15. When you scrap or discard the refrigerator, remove the

doors and dispose of it where children are not likely to

play in or around it.

WARNINGS AND PRECAUTIONS FOR SAFETY

- 3 -

1. SPECIFICATIONS

- 4 -

724 mm (281/2

912 mm (35 in.)

779 mm (305/8in.)

830 mm (325/8in.)

891 mm (355/16 in.)

1261 mm (495/8in.)

1741.5 mm (681/2in.)

1746.5 mm (683/4in.)

1771 mm (6911/16 in.)

Front View Top View

/32

908 mm (35 in.)

11/16

LSC27931SW /04

LSC27931ST /03

LSC27931SB /05

MODELS

LSC27931SW /04

LSC27931ST /03

LSC27931SB /05

Super White Stainless Black

PCM Stainless VCM

MODELS

SPECIFICATIONS

Capacity

Refrigerant

Net Weight

Dimensions

Water Tank Heater

Insulation

Compressor

Temperature Control

Heater Defrost

Cyclo, Pentane

MOLECULAR SIEVE XH-7

MICOM control

LQ69LAUH PTC Starting Type

Wire Condenser

Cooling System

36 x 33 x 70 in

328.5 lbs

27 cuft

R134a

Fan Cooling

151V~ / 60HzRated Rating

Temperate (N)Climate class

Defrost Cycle

Desfrosting Device

Evaporator

ID Ø0.80

4 Hours

Capillary Tube

Polyol Ester (POE) 310 ± 10 cc

13 - 70 Hours

Fin Tube Type

Defrosting System

First Defrost

Condenser

Lubricanting Oil

Full Automatic

REFRIGERATOR

Embo (normal)

Vista

ICE PLUS

3 full + 1half

Yes (4) 40W/Blue

1 (Fix) + 2 (S/Out)

AUTO ICE MAKER+ SPACE PLUS

Lamp

2 Wire + 1 plastic

Yes (1) 40W/Blue

5 EA (Wire)

Yes

SPECIFICATIONS

Case Material

Door Material

GENERAL FEATURES

Color

FREEZER

Anti-freezing Heater

Drier

Heater, Sheath

Lamp

Shelf

Handle Type

Display Graphic

Basket, Quantity

Ice Tray & Bank

Basket, Quantity

Shelf

Tray meat

Egg Bank

2. PARTS IDENTIFICATION

PWB Cover

PUSH

- 5 -

Use this page to become more familiar with the parts and features. Page references are included for your

convenience.

Note: This guide covers several different models.The refrigerator you have purchased may have some or

all of the items listed below. The locations of the features shown below may not match your model.

Refrigerator Door Rack

Dairy Corner

KRefrigerator Shelf

Freezer Door Rack

Freezer Shelf

Drawer

Vegetable Drawer

Automatic Ice Maker

For storage of dairy products

such as butter and cheese.

Freezer Lamp

Base Grille

Snack Pan

For storage of meat or fresh food.

Water Filter

Refrigerator Lamp

Bottle Guide **

** On some models

The ice is produced in the icemaker

and sent to the dispenser.

Wine holder **

3. HOW TO INSTALL REFRIGERATOR

- 6 -

Before adjust the doors, remove the Base Grille.

If the freezer compartment door is lower than

the refrigerator compartment door, make them

level by inserting flat blade screwdriver into the

groove of the left leveling leg and rotating it

clockwise.

DOOR ALIGNMENT

Left leveling

leg Height

If the freezer compartment door is higher than the

refrigerator compartment door, make them level by

inserting flat blade screwdriver into the groove of

the right leveling leg and rotating it clockwise.

Left leveling leg

Height

difference

Adjust the level when the refrigerator door is lower than

the freezer door during the installation of the refrigerator.

Tools you need

• Wrench 5/16 in (8 mm)

• Wrench 3/4 in (19 mm)

AFTER LEVELING THE DOOR HEIGHT

Make sure the front leveling legs are completely

touching the floor.

difference

Height

difference

Height

difference

Height

difference

Height

difference

Using a ¾” (19 mm) wrench, turn the keeper nut clockwise

to lossen the keeper nut.

Keeper nut

Adjustment

hinge pin

Wrench

Down

Using a 5/16” (8 mm) wrench, turn the adjustment hinge pin

c refrigeratorclockwise or ounterclockwise to level the and

After setting the level door, turn the keeper nut

counterclockwise to tighten.

Do not over tightening the door adjustment screw. The

hinge pin can be pulled out. (Adjustable range of height is a

maximum of ½” (1.27 cm)).

freezer door.

- 7 -

2. WATER FILTER

It is recommended that you replace the filter when the

water filter indicator light turns on or your water

dispenser or ice maker decreases noticeably.

After changing the water filter cartridge, reset the water

filter status display and indicator light by pressing and

holding the BUTTON for 3 seconds.

1) Remove the old cartridge.

Rotate the knob of the cartridge counter clockwise.

When the cartridge is removed, you will feel it click

out of place. Pull of the cartridge.

NOTE: Replacing filter causes small amount of water

(around 25cc) to flow out. Please put up a cup under the

hole to prevent it.

2) Replace with a new cartridge.

Take the new cartridge out of it’s packaging and

remove protective cover from the o-rings. With

cartridge knob in the vertical position, push the new

filter cartridge into the cover until it stops.

If you can turn the filter from side to side, it isn’t fully

inserted. Push it in firmly and twist it into place. You

will hear the snap when it clicks into place. Using it’s

handle, twist the cartridge clockwise about 1/4 turn.

You will hear the snap when it clicks into place.

3) Flushing the water system after replacing filter.

To clean the system dispense 2.5 gallons (9.46 L) of

water through filter before use (dispense for

approximately 5 minutes).

3-1. Confirm the amount of water supplied to the icemaker.

1) Confirm the amount of water supplied to the icemaker

(1) Press the button (Figure 1) to selsct the level of water (Optimum level →Large →Small.)

2) Icemaker Operation Test (Test mode)

(1) Press the button (Figure 1) for more than 3 seconds and It will start the Test mode.

(2) Test the operation of the operating part of the icemaker.

(3) If there is no problem with the operation, water is supplied through the water tube (up to the

selected lebel of water).

(4) The test mode is completed after the water is supplied.

Note : When using the test mode more than twice consecutively, water can overflow.

When the water overflows, wipe the ice storage bin.

* It is acceptable if the adjusted level of water is a bit smaller than optimum level.

Water Amount

Indicator Light

Power

Switch

Water Amount

Selection Button

Feeler

Arm

Check water level

Figure 1.

- 8 -

3. HOW TO CONTROL THE AMOUNT OF WATER SUPPLIED TO ICEMAKER

4. HOW TO DISASSEMBLE AND ASSEMBLE

1. REMOVING AND REPLACING

REFRIGERATOR DOORS

Before remove the doors, remove the Base Grille.

To remove the right (refrigerator) door:

CAUTION:When lifting the hinge free of the latch,

be careful that the door does not fall forward.

(1)

(2)

(3)(4)

(5)

1. Open the door. Remove the top hinge cover screw

3.Rotate the hinge lever (3) clockwise. Lift the top hinge

2. Use a flat blade screwdriver to pry back the hooks

(not shown) on the cabinet underside of the cover (2).

Lift up the cover.

4. Lift the door from the lower hinge pin.

5. Place the door, inside facing up, on a nonscratching

surface.

(1).

Type 2

Type 1

(4) free of the hinge lever latch (5).

(3)

(4) (5)

Rivet

NOTE: Regardless the type of hinge lever (3);

type1: without rivet or type 2: with rivet the

removal process is the same.

Removing the left (freezer) door with water line

connection.

•

(Figure 1) as shown in the figure below.

If a tube end is deformed or abraded, trim the

part away. Disconnecting the tube under the door

causes about 0.5 liters water to flow out. Put a large

container at end of tube to prevent water from draining

onto the floor.

Pull up the water feed tube while pressing area

• NOTE:

Figure 1

1. Open the door. Remove the top hinge cover screw (1).

2. Use a flat blade screwdriver to pry back the hooks

(not shown) on the cabinet underside of the cover (2).

Lift up the cover.

3. Disconnect all the wire harnesses (3).

4. Remove the grounding screw (4).

5.Rotate hinge lever (5) counterclockwise. Lift the top

CAUTION:When lifting the hinge free of the latch,

be careful that the door does not fall forward.

7. Place the door, inside facing up, on a nonscratching

surface.

6. being careful toLift the door from the lower hinge pin

pull the water lines through the lower hinge pin.

hinge (6) free of the hinge lever latch (7).

(1)

(2)

(3)

(5)

(6)

(7)

(4)

Type 2

Type 1

(6)

(5)

Rivet

NOTE: Regardless the type of hinge lever (5);

type1: without rivet or type 2: with rivet the

removal process is the same.

(7)

- 9 -

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