LG LRTN19314TT Bedienungsanleitung

CAUTION

PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL

BEFORE CHECKING OR OPERATING THE REFRIGERATOR.

REFRIGERATOR

SERVICE MANUAL

LRSC26944SW, LRSC26944TT

LRSC26930SW, LRSC26930TT

LRSC26922SW, LRSC26922TT

LRSC26920SW, LRSC26920TT

LRSC26911SW, LRSC26911TT

LRSC26910SW, LRSC26910TT

http://biz.lgservice.com

WARNINGS AND PRECAUTIONS FOR SAFETY ................................................................................................................ 3

SPECIFICATIONS................................................................................................................................................................... 4

PARTS IDENTIFICATION....................................................................................................................................................... 8

HOW TO INSTALL THE REFRIGERATOR.......................................................................................................................... 12

HOW TO ADJUST DOOR HEIGHT.................................................................................................................................... 12

FILTER ............................................................................................................................................................................... 13

HOW TO CONTROL THE ICEMAKER WATER SUPPLY.................................................................................................. 14

MICOM FUNCTION .............................................................................................................................................................. 16

EXPLANATION OF MICOM CIRCUIT.................................................................................................................................. 30

EXPLANATION OF PWB CIRCUIT.....................................................................................................................................30

PWB PARTS DIAGRAM AND LIST.....................................................................................................................................46

PWB CIRCUIT DIAGRAM...................................................................................................................................................52

OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER ................................................................................... 54

OPERATION PRINCIPLE................................................................................................................................................... 54

CONTROL METHOD ACCORDING TO FUNCTIONS....................................................................................................... 55

DEFECT DIAGNOSIS FUNCTION..................................................................................................................................... 57

CIRCUIT................................................................................................................................................................................ 58

TROUBLE DIAGNOSIS........................................................................................................................................................ 61

TROUBLESHOOTING ....................................................................................................................................................... 61

FAULTS .............................................................................................................................................................................. 71

COOLING CYCLE HEAVY REPAIR................................................................................................................................... 88

HOW TO DEAL WITH CLAIMS.......................................................................................................................................... 95

HOW TO DISASSEMBLE AND ASSEMBLE..................................................................................................................... 100

DOOR............................................................................................................................................................................... 100

HANDLE........................................................................................................................................................................... 101

FAN SHROUD GRILLE.................................................................................................................................................... 102

ICEMAKER ASSEMBLY................................................................................................................................................... 102

DISPENSER..................................................................................................................................................................... 103

EXPLODED VIEW .............................................................................................................................................................. 105

REPLACEMENT PARTS LIST............................................................................................................................................ 119

CONTENTS

- 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 -

SPECIFICATIONS

- 4 -

ITEMS SPECIFICATIONS

DIMENSIONS 908

896

1771 mm

H (3511/16

355/16

69711/16 in.)

NET WEIGHT 149 kg (328.5 lbs.)

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR PTC Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g) (61/2oz.)

LUBRICATING OIL FREOL @10G (320 cc)

ITEMS SPECIFICATIONS

DRIER MOLECULAR SIEVE XH-7

CAPILLARY TUBE ID Ø0.83

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

ANTI-SWEAT HEATER Dispenser Duct Door Heater

Dispenser Heater

ANTI-FREEZING HEATER Water Tank Heater

Damper Heater

FREEZER LAMP 40W (2 EA)

REFRIGERATOR LAMP 40W (4 EA)

DISPENSER LAMP 15W (1 EA)

724 mm (281/2in.)

1004 mm (391/2in.)

908 mm (3911/16 in.)

779 mm (305/8in.)

829 mm (325/8in.)

897 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

1. Ref No. : GR-L267AV(T)BA

SPECIFICATIONS

- 5 -

724 mm (281/2in.)

1004 mm (391/2in.)

908 mm (3911/16 in.)

779 mm (305/8in.)

829 mm (325/8in.)

897 mm (355/16 in.)

1261 mm (495/8in.)

1741.5 mm (681/2in.)

1746.5 mm (683/4in.)

1771 mm (6911/16 in.)

2. Ref No. : GR-L267AV(T)FA

ITEMS SPECIFICATIONS

DIMENSIONS 908

896

1771 mm

H (3511/16

355/16

69711/16 in.)

NET WEIGHT 149 kg (328.5 lbs.)

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR PTC Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g) (61/2oz.)

LUBRICATING OIL FREOL @10G (320 cc)

ITEMS SPECIFICATIONS

DRIER MOLECULAR SIEVE XH-7

CAPILLARY TUBE ID Ø0.83

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

ANTI-SWEAT HEATER Dispenser Duct Door Heater

Dispenser Heater

ANTI-FREEZING HEATER Water Tank Heater

Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (4 EA)

DISPENSER LAMP 15W (1 EA)

Front View Top View

SPECIFICATIONS

- 6 -

ITEMS SPECIFICATIONS

DIMENSIONS 908

896

1771 mm

H (3511/16

355/16

69711/16 in.)

NET WEIGHT 149 kg (328.5 lbs.)

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR PTC Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g) (61/2oz.)

LUBRICATING OIL FREOL @10G (320 cc)

ITEMS SPECIFICATIONS

DRIER MOLECULAR SIEVE XH-7

CAPILLARY TUBE ID Ø0.83

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

ANTI-SWEAT HEATER Dispenser Duct Door Heater

Dispenser Heater

ANTI-FREEZING HEATER Water Tank Heater

Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (4 EA)

DISPENSER LAMP 15W (1 EA)

724 mm (281/2in.)

1004 mm (391/2in.)

908 mm (3911/16 in.)

779 mm (305/8in.)

829 mm (325/8in.)

897 mm (355/16 in.)

1261 mm (495/8in.)

1741.5 mm (681/2in.)

1746.5 mm (683/4in.)

1771 mm (6911/16 in.)

3. Ref No. : GR-L267AV(T)RA

Front View Top View

SPECIFICATIONS

- 7 -

ITEMS SPECIFICATIONS

DIMENSIONS 908

896

1771 mm

H (3511/16

355/16

69711/16 in.)

NET WEIGHT 149 kg (328.5 lbs.)

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR PTC Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g) (61/2oz.)

LUBRICATING OIL FREOL @10G (320 cc)

ITEMS SPECIFICATIONS

DRIER MOLECULAR SIEVE XH-7

CAPILLARY TUBE ID Ø0.83

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

ANTI-SWEAT HEATER Dispenser Duct Door Heater

Dispenser Heater

ANTI-FREEZING HEATER Water Tank Heater

Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (3 EA)

DISPENSER LAMP 15W (1 EA)

724 mm (281/2in.)

1004 mm (391/2in.)

908 mm (3911/16 in.)

779 mm (305/8in.)

829 mm (325/8in.)

892 mm (351/8in.)

1261 mm (495/8in.)

1741.5 mm (681/2in.)

1746.5 mm (683/4in.)

1771 mm (6911/16 in.)

Front View Top View

4. Ref No. : GR-L267DV(T)R

PARTS IDENTIFICATION

- 8 -

Humidity SwitchOptiChill Display

Lamp

Shelf

Egg Box

Snack Drawer

Vegetable Drawer

OptiChill

Door Rack

Shelf

Grab and Go

Can Server

Lamp

Lower Cover

Dairy Product Corner

Water Filter

Door Rack

Drawer

(Wire/Plastic)

Freezer

Compartment Refrigerator

Compartment

Automatic

Icemaker

Door Rack

Shelf

Door Rack

Bottle Guide

Frame Display

Dispenser Lamp

Ice & Water

Dispenser Button

PWB Cover

Water Tubes

1. Ref No. : GR-L267AV(T)BA

2. Ref No. : GR-L267AV(T)FA

PARTS IDENTIFICATION

- 9 -

Humidity Switch

Lamp

Shelf

Egg Box

Snack Drawer

Vegetable Drawer

OptiChill

Door Rack

Shelf

Grab and Go

Wine Holder

Lamp

Lower Cover

Dairy Product Corner

Door Rack

Drawer

(Wire/Plastic)

Freezer

Compartment Refrigerator

Compartment

Automatic

Icemaker

Door Rack

Shelf

Bottle Guide

Frame Display

Dispenser Lamp

Ice & Water

Dispenser Button

OptiChill Display

Door Rack

Water Filter

PWB Cover

Water Tubes

PARTS IDENTIFICATION

- 10 -

Humidity Switch

Lamp

Shelf

Egg Box

Snack Drawer

Vegetable Drawer

/Meat Drawer

Door Rack

Shelf

Door Rack

Wine Holder

Lamp

Lower Cover

Dairy Product Corner

Door Rack

Drawer

(Wire/Plastic)

Freezer

Compartment Refrigerator

Compartment

Automatic

Icemaker

Door Rack

Shelf

Bottle Guide

Frame Display

Dispenser Lamp

Ice & Water

Dispenser Button

PWB Cover

Water Tubes

Door Rack

Water Filter

3. Ref No. : GR-L267AV(T)RA,

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