LG GR-B197WV Bedienungsanleitung

CAUTION

PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK

BEFORE CHECKING OR OPERATING THE REFRIGERATOR.

REFRIGERATOR

SERVICE MANUAL

Ref. No.

GR-B197DVCA

MODEL: GR-B197WV

COLOR: SUPER WHITE

http://biz.lgservice.com

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

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

PARTS IDENTIFICATION..................................................................................................................................................... 12

HOW TO INSTALL THE REFRIGERATOR.......................................................................................................................... 18

HOW TO ADJUST DOOR HEIGHT OF THE REFRIGERATOR........................................................................................ 18

HOW TO INSTALL WATER PIPE........................................................................................................................................19

HOW TO CONTROL THE AMOUNT OF WATER SUPPLIED TO THE ICEMAKER......................................................... 23

MICOM FUNCTION .............................................................................................................................................................. 25

MICOM CIRCUIT DESCRIPTION......................................................................................................................................... 31

DESCRIPTION OF PWB CIRCUIT

SENSOR RESISTANCE CHARACTERISTIC TABIE

PWB PARTS DRAWING AND LIST

PWB CIRCUIT DRAWING

ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR ...........................................................................53

WORKING PRINCIPLES

FUNCTION OF ICE MAKER

ICE MAKER TROUBLESHOOTING

ICE MAKER CIRCUITS

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

TROUBLE DIAGNOSIS........................................................................................................................................................ 60

TROUBLE SHOOTING ...................................................................................................................................................... 60

FAULTS .............................................................................................................................................................................. 70

COOLING CYCLE HEAVY REPAIR................................................................................................................................... 87

HOW TO DEAL WITH CLAIMS.......................................................................................................................................... 94

HOW TO DISASSEMBLE AND ASSEMBLE....................................................................................................................... 99

DOOR................................................................................................................................................................................. 99

HANDLE........................................................................................................................................................................... 100

SHROUD, GRILLE FAN................................................................................................................................................... 100

ICEMAKER....................................................................................................................................................................... 100

DISPENSER..................................................................................................................................................................... 101

WATER TANK AND WATER LINE.................................................................................................................................... 103

HOME BAR ...................................................................................................................................................................... 103

EXPLODED VIEW .............................................................................................................................................................. 104

REPLACEMENT PARTS LIST............................................................................................................................................ 113

CONTENTS

- 2 -

Please observe the following safety precautions in order to

use safely and correctly the refrigerator and to prevent

accident and danger during repair.

1. Be care 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 down by the

refrigerator against the wall. If the power plug was

damaged, it may cause fire or electric shock.

4. If the wall outlet is over loaded, it may cause fire. Please

use its own individual electrical outlet for the refrigerator.

5. Please make sure the outlet is properly earthed,

particularly in wet or damp area.

6. Use standard electrical components when replacing

them.

7. Make sure the hook is correctly engaged.

Remove dust and foreign materials from the housing

and connecting parts.

8. Do not fray, damage, machine, heavily bend, pull out,

or twist the power cord.

9. Please check the evidence of moisture intrusion in the

electrical components. Replace the parts or mask it

with insulation tapes 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 let the customers repair, disassemble, and

reconstruct the refrigerator for themselves. It may

cause accident, electric shock, or fire.

12. Do not store flammable materials such as ether,

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

refrigerator.

13. Do not put flower vase, cup, cosmetics, chemicals,

etc., or container with full of water on the top of the

refrigerator.

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

freezer. The contents shall freeze and break the glass

bottles.

15. When you scrap the refrigerator, please disconnect the

door gasket first and scrap it where children are not

accessible.

WARNINGS AND PRECAUTIONS FOR SAFETY

- 3 -

SPECIFICATIONS

- 4 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

840(D)

1750(H)

NET WEIGHT (kg) 128

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

CAPILLARY TUBE MOLECULAR SIEVE XH-7

ITEMS SPECIFICATIONS

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L - Cord

ANTI SWEAT HEATER Dispenser Duct Door Heater

Dispenser Heater

Home Bar Heater

ANTI-FREEZING HEATER Water Tank Heater

Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (1 EA)

DISPENSER LAMP 15W (1 EA)

1750

1720

1750

685

948

890

745

796

840

1218.5

1. Ref No. : GR-P247

SPECIFICATIONS

- 5 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

755(D)

1750(H)

NET WEIGHT (kg) 123

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

CAPILLARY TUBE MOLECULAR SIEVE XH-7

1750

1720

1750

600

948

890

660

711

755

1133.5

2. Ref No. : GR-P207

ITEMS SPECIFICATIONS

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L - Cord

ANTI SWEAT HEATER Dispenser Duct Door Heater

Dispenser Heater

Home Bar Heater

ANTI-FREEZING HEATER Water Tank Heater

Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (1 EA)

DISPENSER LAMP 15W (1 EA)

SPECIFICATIONS

- 6 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

840(D)

1750(H)

NET WEIGHT (kg) 125

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

ITEMS SPECIFICATIONS

CAPILLARY TUBE MOLECULAR SIEVE XH-7

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L-Cord

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 (1 EA)

DISPENSER LAMP 15W (1 EA)

1750

1720

1750

685

948

890

745

796

840

1218.5

3. Ref No. : GR-L247

SPECIFICATIONS

- 7 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

755(D)

1750(H)

NET WEIGHT (kg) 120

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

ITEMS SPECIFICATIONS

CAPILLARY TUBE MOLECULAR SIEVE XH-7

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L-Cord

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 (1 EA)

DISPENSER LAMP 15W (1 EA)

1750

1720

1750

600

948

890

660

711

755

1133.5

4. Ref No. : GR-L207

SPECIFICATIONS

- 8 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

840(D)

1750(H)

NET WEIGHT (kg) 117

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

CAPILLARY TUBE MOLECULAR SIEVE XH-7

ITEMS SPECIFICATIONS

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L - Cord

ANTI SWEAT HEATER Home Bar Heater

ANTI-FREEZING HEATER Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (1 EA)

DISPENSER LAMP 15W (1 EA)

1750

1720

1750

685

948

890

745

796

840

1218.5

1. Ref No. : GR-C247

SPECIFICATIONS

- 9 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

755(D)

1750(H)

NET WEIGHT (kg) 112

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

CAPILLARY TUBE MOLECULAR SIEVE XH-7

1750

1720

1750

600

948

890

660

711

755

1133.5

2. Ref No. : GR-C207

ITEMS SPECIFICATIONS

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L - Cord

ANTI SWEAT HEATER Home Bar Heater

ANTI-FREEZING HEATER Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (1 EA)

DISPENSER LAMP 15W (1 EA)

SPECIFICATIONS

- 10 -

ITEMS SPECIFICATIONS

DIMENSIONS (mm) 890(W)

840(D)

1750(H)

NET WEIGHT (kg) 114

COOLING SYSTEM Fan Cooling

TEMPERATURE CONTROL Micom Control

DEFROSTING SYSTEM Full Automatic

Heater Defrost

INSULATION Cyclo-Pentane

COMPRESSOR P.T.C. Starting Type

EVAPORATOR Fin Tube Type

CONDENSER Wire Condenser

REFRIGERANT R134a (185g)

LUBRICATING OIL FREOL @15G (320 cc)

DRIER 1Ø0.83

ITEMS SPECIFICATIONS

CAPILLARY TUBE MOLECULAR SIEVE XH-7

FIRST DEFROST 4 - 5 Hours

DEFROST CYCLE 13 - 15 Hours

DEFROSTING DEVICE Heater, Sheath

Heater, L-Cord

ANTI-FREEZING HEATER Damper Heater

FREEZER LAMP 40W (1 EA)

REFRIGERATOR LAMP 40W (1 EA)

DISPENSER LAMP 15W (1 EA)

1750

1720

1750

685

948

890

745

796

840

1218.5

3. Ref No. : GR-B247

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