GR-267 — LG Refrigerator Service Manual (repair manual)

Model
GR-267
Pages
127
Size
22.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Refrigerator
File
gr-267.zip
Date

View LG GR-267 Service Manual online

2-4. Cooling
-6
7-
Problems
Causes
Checks
Measures
Remarks
High 
Refrigerant leak.
Check sequence
Weld the leaking part, recharge the
Drier must be replaced.
temperature
1. Check the welded parts of the 
refrigerant.
in the freezer
drier inlet and outlet and drier
compartment.
auxiliary in the compressor 
compartment (high pressure side).
2. Check the end of compressor 
sealing pipe (low pressure side).
3. Check silver soldered parts.
(Cu + Fe / Fe + Fe).
4. Check bending area of wire 
condenser pipe in compressor
compartment (cracks can 
happen during bending).
5. Check other parts (compressor
compartment and evaporators in
freezer compartment).
Shortage of refrigerant.
Check frost formation on the surface - Find out the leaking area, repair,
Drier must be replaced.
of evaporator in the freezer 
evacuate, and recharge the 
compartment.
refrigerant.
- If the frost forms evenly on the 
- No leaking, remove the remaining
surface, it is OK.
refrigerant, and recharge new 
- If it does not, it is not good.
refrigerant.
TROUBLE
DIAGNOSIS
-6
8-
Problems
Causes
Checks
Measures
Remarks
High 
Cycle pipe is clogged.
Check sequence.
- Heat up compressor discharging
Direr must be replaced.
temperature in
1. Check temperature of condenser
weld joints with touch, disconnect
the freezer
manually.
the pipes, and check the clogging.
compartment.
If it is warm, it is OK.
Remove the causes of clogging, 
If it is not, compressor discharging
weld, evacuate, and recharge
joints might be clogged.
the refrigerant.
2. Manually check whether hot line
- If it's warm, it's OK. If it's not, 
pipe is warm.
condenser discharging line weld 
If it is warm, it's OK.
joints might be clogged.
If it is not, condenser outlet weld 
Disconnect with torch, remove the
joints might be colgged.
causes, evacuate, and recharge 
seal refrigerant.
Leak at loop pipe weld joint
Check sequence.
Replace the compressor, weld, 
Drier must be replaced.
(discharge) in compressor.
1. Manually check whether 
evacuate, and recharge refrigerant.
condenser is warm, It is not warm 
and the frost forms partly on the 
evaporator in the freezer 
compartment.
Faulty cooling fan in the compressor  Check sequence.
- Replace if motor does not operate.
compartment.
1. Check cooling fan operation.
- If fan is disconnected, check fan
2. Check that cooling fan is 
damage and reassemble it.
disconnected from the motor.
Refer to fan motor disassembly 
and assembly sequence.
2-5. Defrosting failure
-6
9-
Problems
Causes
Checks
Measures
Remarks
No defrosting.
Heater does not generate heat as
1. Check the resistance of heater.
Heating wire is short and wire is cut.
Seal the lead wire with
the heating wire is cut or the circuit
0
: Short. 
∞Ω
: Cut.
• Parts replacement: Refer to parts
insulation tape and heat
is shorted.
Tens to thousands 
: OK.
explanations.
contraction tube if the cut
1) Heating wire is damaged when 
2. Check the resistance between 
lead wire is accessible to 
inserting into the evaporator.
housing terminal and heater
repair.
2) Lead wire of heater is cut.
surface. 
3) Heating wire at lead wire contacts
0
: Short. 
∞Ω
: Cut. 
is cut.
Tens to thousands 
: Short.
Sucking duct and discharging hole 
1. Confirm foreign materials. In case
1) Push out impurities by inserting
are clogged:
of ice, insert the copper line 
copper wire.(Turn off more than
1. Impurities.
through the hole to check.
3hours and pour in hot water if
2. Ice.
2. Put hot water into the drain
frost is severe.)
(check drains outside).
2) Put in hot water to melt down frost.
3) Check the water outlet.
4) Push the heater plate to sucking 
duct manually and assemble the
disconnected parts.
Gap between Sucking duct and
1. Confirm in the Sucking duct.
1) Turn off the power, confirm 
Heater plate(Ice in the gap).
impurities and ice in the gap, and 
supply hot water until the ice in the 
gap melts down.
2) Push the Heater plate to drain
bottom with hand and assemble 
the disconnected parts.
Wrong heater rating (or wrong 
1. Check heater label.
Faults:replace.
assembly).
2. Confirm the capacity after 
- How to replace: Refer to main parts.
substituting the resistance value
into the formula.
(V: Rated voltage of user country)
(R: Resistance of tester[
])
Compare P and lavel capacity. 
Tolerance: 
±
7%
V
2
P= ––
R
TROUBLE
DIAGNOSIS
-7
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
: 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).
Page of 127
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Here you can view online or download LG GR-267 Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair LG GR-267 Refrigerator. Information contained in LG GR-267 service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).