LG GR-B197WV Manuale utente
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)
X
840(D)
X
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
<Front View> <Plane View>
1. Ref No. : GR-P247
SPECIFICATIONS
- 5 -
ITEMS SPECIFICATIONS
DIMENSIONS (mm) 890(W)
X
755(D)
X
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
<Front View> <Plane View>
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)
X
840(D)
X
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
<Front View> <Plane View>
3. Ref No. : GR-L247
SPECIFICATIONS
- 7 -
ITEMS SPECIFICATIONS
DIMENSIONS (mm) 890(W)
X
755(D)
X
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
<Front View> <Plane View>
4. Ref No. : GR-L207
SPECIFICATIONS
- 8 -
ITEMS SPECIFICATIONS
DIMENSIONS (mm) 890(W)
X
840(D)
X
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
<Front View> <Plane View>
1. Ref No. : GR-C247
SPECIFICATIONS
- 9 -
ITEMS SPECIFICATIONS
DIMENSIONS (mm) 890(W)
X
755(D)
X
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
<Front View> <Plane View>
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)
X
840(D)
X
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
<Front View> <Plane View>
3. Ref No. : GR-B247
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