LG LRSPC2051AB User manual
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
REFRIGERATOR
SERVICE MANUAL
MODEL: LRSPC2051AB / LRSPC2051BM
LRSPC2051ST COLOR: ATLANTIC BLUE
BLACK MIRROR
STAINLESS STEEL
http://biz.lgservice.com
Ref. No.
GR-L207NGUA
GR-L207NSUA
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 CONTROL THE AMOUNT OF WATER SUPPLIED TO THE ICEMAKER......................................................... 20
MICOM FUNCTION .............................................................................................................................................................. 22
EXPLANATION FOR MICOM CIRCUIT ............................................................................................................................... 30
EXPLANATION FOR PWB CIRCUIT ..................................................................................................................................30
COMPENSATION CIRCUIT FOR TOO WARM, TOO COLD AT FREEZER.......................................................................44
PWB PARTS DRAWING AND LIST ....................................................................................................................................47
PWB CIRCUIT DIAGRAM...................................................................................................................................................57
ICEMAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD........................................................... 61
WORKING PRINCIPLES.....................................................................................................................................................61
FUNCTION OF ICE MAKER...............................................................................................................................................62
ICEMAKER TROUBLESHOOTING.....................................................................................................................................65
ICEMAKER CIRCUIT PART................................................................................................................................................66
CIRCUIT................................................................................................................................................................................ 67
TROUBLE DIAGNOSIS........................................................................................................................................................ 69
TROUBLE SHOOTING ...................................................................................................................................................... 69
FAULTS .............................................................................................................................................................................. 79
COOLING CYCLE HEAVY REPAIR................................................................................................................................... 96
HOW TO DEAL WITH CLAIMS........................................................................................................................................ 103
HOW TO DISASSEMBLE AND ASSEMBLE..................................................................................................................... 108
DOOR............................................................................................................................................................................... 108
HANDLE........................................................................................................................................................................... 109
SHROUD, GRILLE FAN................................................................................................................................................... 109
ICEMAKER....................................................................................................................................................................... 109
DISPENSER..................................................................................................................................................................... 110
WATER TANK AND WATER LINE.................................................................................................................................... 112
HOME BAR....................................................................................................................................................................... 112
EXPLODED VIEW............................................................................................................................................................... 113
REPLACEMENT PARTS LIST ........................................................................................................................................... 122
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 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 overloaded, it may cause 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 the hooks are 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 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 samething 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, please
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 898(W)
X
847(D)
X
1756(H)mm
(351/3
X
331/3
X
691/8in.)
NET WEIGHT 151kg (3327/8lbs.)
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) (61/2oz.)
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
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)
948 (373/8)
685 (27)
745 (293/8)
796 (313/8)
847 (331/3)
1218.5 (48)
1756 (691/8)
898 (351/3)
<Front View> <Plane View>
1. Ref No. : GR-P247
SPECIFICATIONS
- 5 -
ITEMS SPECIFICATIONS
DIMENSIONS 898(W)
X
762(D)
X
1756(H)mm
(351/3
X
30
X
691/8in.)
NET WEIGHT 146kg (3217/8lbs.)
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) (61/2oz.)
LUBRICATING OIL FREOL @15G (320 cc)
DRIER 1Ø0.83
1756 (691/8)
898 (351/3)
948 (373/8)
600 (235/8)
660 (26)
711 (28)
762 (30)
1133.5 (445/8)
<Front View> <Plane View>
2. Ref No. : GR-P207
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
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 898(W)
X
847(D)
X
1756(H)mm
(351/3
X
331/3
X
691/8in.)
NET WEIGHT 145kg (3192/3lbs.)
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) (61/2oz.)
LUBRICATING OIL FREOL @15G (320 cc)
ITEMS SPECIFICATIONS
DRIER 1Ø0.83
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)
1756 (691/8)
898 (351/3)
948 (373/8)
685 (27)
745 (293/8)
796 (313/8)
847 (331/3)
1218.5 (48)
<Front View> <Plane View>
3. Ref No. : GR-L247
SPECIFICATIONS
- 7 -
ITEMS SPECIFICATIONS
DIMENSIONS 898(W)
X
762(D)
X
1756(H)mm
(351/3
X
30
X
691/8in.)
NET WEIGHT 140kg (3081/3lbs.)
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) (61/2oz.)
LUBRICATING OIL FREOL @15G (320 cc)
ITEMS SPECIFICATIONS
DRIER 1Ø0.83
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)
1756 (691/8)
898 (351/3)
948 (373/8)
600 (235/8)
660 (26)
711 (28)
762 (30)
1133.5 (445/8)
<Front View> <Plane View>
4. Ref No. : GR-L207
SPECIFICATIONS
- 8 -
ITEMS SPECIFICATIONS
DIMENSIONS 898(W)
X
847(D)
X
1756(H)mm
(351/3
X
331/3
X
691/8in.)
NET WEIGHT 142kg (3131/2lbs.)
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) (61/2oz.)
LUBRICATING OIL FREOL @15G (320 cc)
ITEMS SPECIFICATIONS
DRIER 1Ø0.83
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 Home Bar Heater
ANTI-FREEZING HEATER Damper Heater
FREEZER LAMP 40W (1 EA)
REFRIGERATOR LAMP 40W (1 EA)
DISPENSER LAMP 15W (1 EA)
1756 (691/8)
898 (351/3)
948 (373/8)
685 (27)
745 (293/8)
796 (313/8)
847 (331/3)
1218.5 (48)
<Front View> <Plane View>
1. Ref No. : GR-C247
SPECIFICATIONS
- 9 -
ITEMS SPECIFICATIONS
DIMENSIONS 898(W)
X
762(D)
X
1756(H)mm
(351/3
X
30
X
691/8in.)
NET WEIGHT 137kg (3022/7lbs.)
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) (61/2oz.)
LUBRICATING OIL FREOL @15G (320 cc)
1756 (691/8)
898 (351/3)
948 (373/8)
600 (235/8)
660 (26)
711 (28)
762 (30)
1133.5 (445/8)
<Front View> <Plane View>
2. Ref No. : GR-C207
ITEMS SPECIFICATIONS
DRIER 1Ø0.83
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 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 898(W)
X
847(D)
X
1756(H)mm
(351/3
X
331/3
X
691/8in.)
NET WEIGHT 140kg (3081/3lbs.)
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) (61/2oz.)
LUBRICATING OIL FREOL @15G (320 cc)
ITEMS SPECIFICATIONS
DRIER 1Ø0.83
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)
1756 (691/8)
898 (351/3)
948 (373/8)
685 (27)
745 (293/8)
796 (313/8)
847 (331/3)
1218.5 (48)
<Front View> <Plane View>
3. Ref No. : GR-B247
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