LG GR-267 Service Manual ▷ View online
TROUBLE
DIAGNOSIS
-7
0-
0-
Problems
Causes
Checks
Measures
Remarks
No defrosting
Melting fuse blows out.
- Check melting fuse with tester. -
Faullty parts: parts replacement.
1) Lead wire is cut.
If 0
Ω
: OK.
- Check wire color when maeasuring
2) Bad soldering.
If
∞Ω
: wire is cut.
resistance with a tester.
Ice in the Sucking duct.
1. Check the inner duct with mirror.
1) Turn power off.
1) Icing by foreign materials in the
2) Raise the front side(door side),
duct.
support the front side legs, and let
2) Icing by cool air inflow through
the ice melt naturally. (If power is
the gap of heater plate.
on, melt the frost by forced
3) Icing by the gap of heater plate.
defrosting.)
2. Check by inserting soft copper
3) Reassemble the heater plate.
wire into the duct (soft and thin
copper not to impair heating wire).
Bad cool air inflow and discharge,
1. Turn on power, open or close the
1) Check the faulty connector of
and bad defrosting due to faulty
door, check that motor fan
housing and reassemble wrongly
contact and insertion (bad connector
operates (If it operates, motor fan
assembled parts.
insertion into housing of heater,
is OK).
2) If the parts are very damaged,
melting, fuse and motor fan).
2. Disconnect parts in the refrigerator
remove the parts and replace it
compartment, check the connection
with a new one.
around the housing visually,
defrost, and confirm heat generation
on the heater. Do not put hands on
the sheath heater.
3. Check the parts which have faults
described in 1, 2 (mechanical
model: disconnect thermostat
from the assembly).
2-6. Icing
-7
1-
1-
Problems
Causes
Checks
Measures
Remarks
Icing in the
1) Bad circulation of cool air.
- Check the food is stored properly
- Be acquainted with how to use.
- Check the defrost
refrigerator
- Clogged intake port in the
(check discharge and intake port
- Sealing on connecting parts.
related parts if problem
compartment.
refrigerator compartment.
are clogged).
- Check the damper and replace
is caused by faulty
- Damper icing.
- Sealing is not good.
- Check icing on the surface of
it if it has defects.
defrosting.
- Pipe icing.
- Too much food is stored and clogs
baffle and cool air path (pipe) after
- Check defrost. (After forced
- Discharging
the discharge port.
dissembling the container box.
defrosting, check ice in the
pipe icing.
- Bad defrosting.
- Check icing at intake ports of
evaporator and pipes.)
freezer and refrigerator
compartment.
2) Faulty door or refrigerator
- Check gasket attached conditions.
- Correct the gasket attachment
- Replacement should
compartment.
- Check door assembly conditions.
conditions and replace it.
be done when it
- Faulty gasket.
- Door assembly and replacement.
cannot be repaired.
- Faulty assembly.
3) Overcooling in the refrigerator
- Check refrigerator compartment
- Replace faulty parts.
compartment.
is overcooled (when button
- Faulty damper in the refrigerator
pressed on "weak").
compartment.
- Check parts are faulty.
- Faulty MICOM (faulty sensor)
4) Bad defrosting
- Check frost on the evaporator
- Check parts related to defrosting.
- Moisture cannot frost
- Heater wire is cut.
after dissembling shroud and fan
- Check defrosting. (Check ice on the
on the evaporator but
- Defective defrost sensor.
grille.
evaporator and pipe.)
can be sucked into the
- Defrosing cycle.
- Check ice on intake port of freezer
refrigerator, being
and refrigerator compartment.
condensed and iced,
interferes with cool air
circulation, and
suppresses sublimation.
5) Customers are not familiar with
- Check food interferes with door
- Be acquainted with how to use.
this machine.
closing.
- Door opens.
- Check ice on the ceilings.
- High temperature, high moisture,
and high load.
TROUBLE
DIAGNOSIS
-7
2-
2-
Problems
Causes
Checks
Measures
Remarks
Ice in the freezer 1) Bad cooling air circulation.
- Check food storage conditions
- Be acquainted with how to use.
- Check the parts related
compartment.
- Intake port is colgged in the freezer
visually.(Check clogging at intake
- Check defrost (Check ice on the
to defrosting if the
- Surface of fan
compartment.
and discharging port of cooling air.)
evaporator and pipes after forced
problem is caused by
grille.
- Discharging port is Clogged.
- Check food occupation ratio in
defrosting).
the faulty defrosting.
- Wall of freezer - Too much food is stored.
volume(Less than 75%).
compartment.
- Bad defrosting.
- Check frost on the evaporator after
- Cool air
dissembling shroud and fan grille.
discharging port.
- Check icing at intake port of
- Basket(rack)
refrigerator compartment.
area.
- Food surface.
2) Bad freezer compartment door
- Check gasket attachment
- Correct the gasket attachement
- Replace when it can not
- Icing in the
- Faulty gasket
conditions.
conditions and replace it.
be repaired.
shute.
- Faulty assembly
- Check door assembly conditions.
- Door assembly and replacement.
3) Over freezing in the freezer
- Refrigerator operates pull down.
-Replace defective parts.
compartment.
(Check if it is operated
- Faulty MICOM.
intermittently)
- The Temperature of freezer
compartment is satisfactory, but
over freezing happens in the
refrigerator compartment even
though the notch is set at "weak".
4) Bad defrosting.
- Check frost on the evaporator after
- Check parts related to defrosting.
- Heater wire is cut.
dissembling shroud and grille.
- Check defrosting.(Check ice on the
- Faulty defrost sensor.
- Check ice on the intake port in the
evaporator and pipes after forced
- Defrosting cycle
refrigerator compartment.
defrosting.)
5) User is not familiar with how to
- Check food holds door open.
- Be acquainted with how to use.
use.
- Check ice on the ice tray.
- Door opens.
- High moisture food(water) is stored.
2-7. Sound
-7
3-
3-
Problems
Causes
Checks
Measures
Remarks
"Whizz" sound
1. Loud sound of compressor
1.1 Check the level of the
1) Maintain horizontal level.
operation.
refrigerator.
2) Replace rubber and seat if they
1.2 Check the rubber seat
are sagged and aged.
conditions (sagging and aging).
3) Insert rubber where hand contact
reduces noise in the pipe.
2. Pipes resonat sound which is
2.1 Check the level of pipes
4) Avoid pipe interference.
connected to the compressor.
connected to the compressor
5) Replace defective fan and fan
and their interference.
motor.
2.2 Check rubber inserting
6) Adjust fan to be in the center of
conditions in pipes.
bell mouth of the fan guide.
2.3 Touch pipes with hands or screw 7) Leve a clearance between
-driver (check the change of
interfering parts and seal gaps in
sound).
the structures.
8) Reassemble the parts which make
3. Fan operation sound in the freezer 3.1 Check fan insertion depth and
sound.
compartment.
blade damage.
9) Leave a clearance if evaporator
3.2 Check the interference with
pipes and suction pipe touch
structures.
freezer shroud.
3.3 Check fan motor.
3.4 Check fan motor rubber insertion
and aging conditions.
4. Fan operation sound in the
4.1 Same as fan confirmation in the
compressor compartment.
refrigerator.
4.2 Check drip tray leg insertion.
4.3 Check the screw fastening
conditions at condenser and
drip tray.
Click on the first or last page to see other GR-267 service manuals if exist.