LG GR-B197GVQ Service Manual page 79

T R O U B L E D I A G N O S I S
- 7 9 -
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.
Ifitiswarm,itisOK. 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
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.