LG GR-T692DVQ Service Manual ▷ View online
- 4 -
ITEMS
SPECIFICATIONS
FREEZER
146
NET CAPACITY REFRIGERATOR
376
TOTAL
522
DIMENSIONS (mm)
860(W)
X
709(D)
X
1794(H)
NET WEIGHT (kg)
98
COOLING SYSTEM
Fan Cooling
TEMPERATURE CONTROL
Micom Control
Full Automatic
DEFROSTING SYSTEM
Heater Defrost
OUT CASE
Pre Coated Metal
INNER CASE
A B S
INSULATION
Polyurethane Foam
(§⁄)
ITEMS
SPECIFICATIONS
FREEZER
1 EA
REFRIGERATOR
2 EA
VEGETABLE TRAY
Drawer Type
EGG TRAY
2 Pieces
ICE TRAY
2 Pieces (Plastic)
ICE BANK
1 Piece
COMPRESSOR
P.T.C Starting Type
EVAPORATOR
Fin Tube Type
CONDENSER
Wire Condenser
REFRIGERANT
R-134a (140g)
DEFROSTING DEVICE
HEATER
SHELF
1. SPECIFICATIONS
1-1. GR-T632
ITEMS
SPECIFICATIONS
FREEZER
154
NET CAPACITY REFRIGERATOR
396
TOTAL
550
DIMENSIONS (mm)
860(W)
X
729(D)
X
1794(H)
NET WEIGHT (kg)
100
COOLING SYSTEM
Fan Cooling
TEMPERATURE CONTROL
Micom Control
Full Automatic
DEFROSTING SYSTEM
Heater Defrost
OUT CASE
Pre Coated Metal
INNER CASE
A B S
INSULATION
Polyurethane Foam
(§⁄)
ITEMS
SPECIFICATIONS
FREEZER
1 EA
REFRIGERATOR
2 EA
VEGETABLE TRAY
Drawer Type
EGG TRAY
2 Pieces
ICE TRAY
2 Pieces (Plastic)
ICE BANK
1 Piece
COMPRESSOR
P.T.C Starting Type
EVAPORATOR
Fin Tube Type
CONDENSER
Wire Condenser
REFRIGERANT
R-134a (140g)
DEFROSTING DEVICE
HEATER
SHELF
1-2. GR-T692
- 30
-
7-4. TRUBLE SHOOTING
• Replace PCB when no trouble after checking the contents of trouble.
CLASSIFICATION
STATE OF TROUBLE
POINT BE CHECKED
CHECKING METHOD
CONTENT
REMEDY
POWER SOURCE
1. All the DISPLAY
1. FREEZER/
FREEZER/REFRIGERATOR
POWER SOURCE is poor
Certify Fuse.
is poor
LED OFF
REFRIGERATOR
DOOR OPEN
Certify outlet Voltage.
2. DISPLAY LED
2. LAMP is dim.
CHECK with the naked.
Applied voltage mistake
Use boosting TRANS.
represents abnormal
3. The connection of
Certify connection of
CONNECTOR connection
Reconnect CONNECTOR.
operation.
CONNECTOR of MAIN PWB. CONNECTOR.
is poor.
TRANS FUSE open.
TRANS FUSE open.
Replace TRANS.
4. The connection of
Certify connection of
CONNECTOR
Reconnect CONNECTOR.
CONNECTOR of UPPER
of CONNECTOR
connection is poor.
HINGE PART is poor.
Certify connection of
DISPLAY PCB
DISPLAY PCB
COOLING is poor
NO COOLING
1. COMPRESSOR operates?
PRESS TEST KEY on MAIN
COMPRESSOR lock or
Replace COMPRESSOR.
PWB once. (forced COOLING)
blocked.
•If pass less than 7 minutes
OLP, PTC is poor.
Replace OLP, PTC.
after stop of COMP, don't
COMPRESSOR RELAY is
Replace MAIN PWB RY1
press it and stand-by.
poor
THE CONNECTING WIRE
THE CONNECTING WIRE
Certify the black wire of MAIN
is poor.
PWB CONNECTOR (CON2)
2. Whether refrigerant leaks or
Measure the amount of frost
Refrigerant leakage.
Remedy the leaking part
leaks or not.
sticking on EVA and the
and reaching Refrigerant.
surface temperature of
condenser pipe.
condenser pipe.
FREEZER
1. Whether FAN MOTOR
PRESS TEST KEY on
FAN MOTOR is poor
Replace FAN MOTOR.
TEMPERATURE is poor
operates or not.
MAIN PWB once.
DOOR LINE contact.
Replace DOOR LINER.
(forced COOLING)
CONETTING WIRE is poor.
Certify MOTOR and the
connection of the black wire
of MAIN PWB CONNECTOR.
(CON2)
connection of the black wire
of MAIN PWB CONNECTOR.
(CON2)
2. DEFROSTING normal?
Certify the amount of frost
DEFROSTING is poor.
See the DEFROSTING
sticking on EVA.
trouble.
3. SENSOR normal?
Check resistance the
SENSOR RESISTANCE is
Replace SENSOR
SENSOR in the
poor.
Refrigerator
- 31
-
CLASSIFICATION
STATE OF TROUBLE
POINT BE CHECKED
CHECKING METHOD
CONTENT
REMEDY
COOLING is poor.
REFRIGERATOR
1. FREEZER TEMPERATURE
See "FREEZER
Certify the attaching state
TEMPERATURE is
is normal?
TEMPERATURE is poor".
of DOOR.
poor.
2. Cool air of FAN MOTOR is
Certify the amount of cool air
FAN MOTOR is poor.
Replace FAN MOTOR.
is sufficient?
and its speed touching check
Passage of cool air blocking.
Remove impurities.
supplied into
REFRIGERATOR
EVA frozen.
See "DEFROSTING is poor".
DEFROSTING is
NO DEFROSTING.
1. HEATER emit heat?
PRESS TEST KEY on MAIN
HEATER disconnection.
Replace HEATER.
poor.
on MAIN PWB three times.
(forced DEFROSTING)
TEMPERATURE FUSE
Replace TEMPERATURE
disconnection.
FUSE.
Connection is poor.
Certify EVA connection and
wire of MAIN PWB
CONNECTOR
DEF-SENSOR is poor.
Replace DEF-SENSOR.
HEATER RELAY is poor.
Replace RY2 of MAIN PWB.
2. DRAIN PIPE blocking?
Certify DRAIN PIPE.
DRAIN PIPE blocking.
Remove ice and impurities.
Certify HEATER PLATE
resistance.
3. Remain ice at
Certify the attaching
Attaching is poor.
Reassemble DEF-SENSOR.
DEFROSTING?
of DEF-SENSOR.
Certify the attaching
DOOR sticking is poor.
Reassemble DOOR.
state(gap) of FREEZER/
Replace GASKET.
REFRIGERATOR DOOR.
- 31
-
CLASSIFICATION
STATE OF TROUBLE
POINT BE CHECKED
CHECKING METHOD
CONTENT
REMEDY
COOLING is poor.
REFRIGERATOR
1. FREEZER TEMPERATURE
See "FREEZER
Certify the attaching state
TEMPERATURE is
is normal?
TEMPERATURE is poor".
of DOOR.
poor.
2. Cool air of FAN MOTOR is
Certify the amount of cool air
FAN MOTOR is poor.
Replace FAN MOTOR.
is sufficient?
and its speed touching check
Passage of cool air blocking.
Remove impurities.
supplied into
REFRIGERATOR
EVA frozen.
See "DEFROSTING is poor".
DEFROSTING is
NO DEFROSTING.
1. HEATER emit heat?
PRESS TEST KEY on MAIN
HEATER disconnection.
Replace HEATER.
poor.
on MAIN PWB three times.
(forced DEFROSTING)
TEMPERATURE FUSE
Replace TEMPERATURE
disconnection.
FUSE.
Connection is poor.
Certify EVA connection and
wire of MAIN PWB
CONNECTOR
DEF-SENSOR is poor.
Replace DEF-SENSOR.
HEATER RELAY is poor.
Replace RY2 of MAIN PWB.
2. DRAIN PIPE blocking?
Certify DRAIN PIPE.
DRAIN PIPE blocking.
Remove ice and impurities.
Certify HEATER PLATE
resistance.
3. Remain ice at
Certify the attaching
Attaching is poor.
Reassemble DEF-SENSOR.
DEFROSTING?
of DEF-SENSOR.
Certify the attaching
DOOR sticking is poor.
Reassemble DOOR.
state(gap) of FREEZER/
Replace GASKET.
REFRIGERATOR DOOR.