DOWNLOAD LG GR-B197G Service Manual ↓ Size: 2.87 MB | Pages: 118 in PDF or view online for FREE

Model
GR-B197G
Pages
118
Size
2.87 MB
Type
PDF
Document
Service Manual
Brand
Device
Refrigerator
File
gr-b197g.zip
Date

LG GR-B197G Service Manual ▷ View online

WARNINGS AND PRECAUTIONS FOR SAFETY  ................................................................................................................ 3
SPECIFICATIONS................................................................................................................................................................... 4
PARTS IDENTIFICATION ..................................................................................................................................................... 17
HOW TO INSTALL THE REFRIGERATOR .......................................................................................................................... 25
HOW TO ADJUST DOOR HEIGHT OF THE REFRIGERATOR ........................................................................................ 25
HOW TO INSTALL WATER PIPE........................................................................................................................................26
HOW TO CONTROL THE AMOUNT OF WATER SUPPLIED TO THE ICEMAKER ......................................................... 30
MICOM FUNCTION .............................................................................................................................................................. 32
MICOM CIRCUIT DESCRIPTION ......................................................................................................................................... 38
DESCRIPTION OF PWB CIRCUIT
SENSOR RESISTANCE CHARACTERISTIC TABIE
PWB PARTS DRAWING AND LIST
PWB CIRCUIT DRAWING
ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR ........................................................................... 60
WORKING PRINCIPLES
FUNCTION OF ICE MAKER
ICE MAKER TROUBLESHOOTING
ICE MAKER CIRCUITS
CIRCUIT ................................................................................................................................................................................ 65
TROUBLE DIAGNOSIS ........................................................................................................................................................ 67
TROUBLE SHOOTING ...................................................................................................................................................... 67
FAULTS .............................................................................................................................................................................. 77
COOLING CYCLE HEAVY REPAIR ................................................................................................................................... 94
HOW TO DEAL WITH CLAIMS ........................................................................................................................................ 101
HOW TO DISASSEMBLE AND ASSEMBLE ..................................................................................................................... 106
DOOR............................................................................................................................................................................... 106
HANDLE ........................................................................................................................................................................... 107
SHROUD, GRILLE FAN ................................................................................................................................................... 107
ICEMAKER....................................................................................................................................................................... 107
DISPENSER..................................................................................................................................................................... 108
WATER TANK AND WATER LINE.................................................................................................................................... 110
HOME BAR....................................................................................................................................................................... 110
EXPLODED VIEW ............................................................................................................................................................... 111
REPLACEMENT PARTS LIST ........................................................................................................................................... 120
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 (180g)
LUBRICATING OIL
FREOL @10G (310 cc)
CAPILLARY TUBE
ID 0.83
DRIER
MOLECULAR SIEVE XH-7
ITEMS
SPECIFICATIONS
FIRST DEFROST
4 - 5 Hours
DEFROST CYCLE
13 - 15 Hours
DEFROSTING DEVICE
Heater, Sheath
ANTI SWEAT HEATER
Dispenser Duct Door Heater
Dispenser Heater
Home Bar Heater
ANTI-FREEZING HEATER
Water Injection 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 (180g)
LUBRICATING OIL
FREOL @10G (310 cc)
CAPILLARY TUBE
ID 0.83
DRIER
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
ANTI SWEAT HEATER
Dispenser Duct Door Heater
Dispenser Heater
Home Bar Heater
ANTI-FREEZING HEATER
Water Injection Heater
Damper Heater
FREEZER LAMP
40W (1 EA)
REFRIGERATOR LAMP
40W (1 EA)
DISPENSER LAMP
15W (1 EA)
Page of 118
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LG GR-B197G Service Manual ▷ Download

  • DOWNLOAD LG GR-B197G Service Manual ↓ Size: 2.87 MB | Pages: 118 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the LG GR-B197G in PDF for free, which will help you to disassemble, recover, fix and repair LG GR-B197G Refrigerator. Information contained in LG GR-B197G Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.