Service Diagnosis Chart - LG LTCS20020 Series Service Manual

4-2 SERVICE DIAGNOSIS CHART

COMPLAINT
Cooling is
Is the power cord unplugged from the outlet?
Checked if the power S/W is set to OFF.
impossible.
Check if the fuse of power S/W is shorted.
Measure the voltage of power outlet.
Cooling ability is Check if the set is placed close to wall.
Check if the set is placed close to stove, gas,
poor.
cooker and direct rays.
Is the ambient temperature high or the room door
closed?
Check if putting in hot foods foods.
Did you open the door of the set too often or check
if the door is closed up?
Check if the Control is set to Min .
Foods in the
Are foods placed in cooling air outlet?
Check if the Display LED is set to 0-1 .
refrigerator
Is the ambient temperature below 5 C.
are frozen.
Dew or ice forms in
Is watery foods kept?
Check if putting in hot foods.
the chamber of the
Did you open the door of the set too often or check
set set.
if the door is closed up.
Dew forms in the
Check if ambient temperature and humidity of
Out Case.
surrounding air are high.
Is the gap in the door packed?
Abnormal noise
Is the set positioned in a firm and even place?
Does any unnecessary objects exists in the back
generates.
side of the set?
Check if the Drip tray is not firmly fixed?
Check if the cover of mechanical room in below
and back side is taken out.
To close the door
Check if the door packing becomes dirty by filth
such as juice.
is not handy.
Is the set positioned in a firm and even place?
Is too much food putted in the set?
Ice and foods
Check if the inside of the set becomes dirty.
Did you keep smelly foods without wrapping?
smell unpleasant.
It smells plastic.
In addition to the items describes left, refer to the following to solve the complaint.
Check if dew forms
in the freezer.
Check refrigerator
Cycle.
POINTS TO BE CHECKED
Defrosting is
poor.
The cycle is
faulty.
18
SERVICE ACTION
Plug to the outlet.
Set the switch to ON.
Replace a regular fuse.
If voltage is low, wire newly.
Place the set with the space of about
10cm
Place the set apart from these heat
appliances.
Make the ambient temperature below.
Put in foods after they get cold cold.
Don t open the door too often and
close it firmly.
Set the control to mid-position.
Place foods in high temperature
section. (Front part)
Set the Display LED to 3 .
Set the Display LED to 5-6 .
Seal up watery foods with wrap.
Put in foods after they get cold.
Don t open the door too often and
close it firmly.
Wipe dew with a dry cloth. This
happening is solved in low temperature
and humidity naturally.
Fill up the gap.
Adjust the leveling screw, and position
in the firm place.
Remove the objects.
Fix it firmly on an original position.
Place the cover at an original position.
Clean the door packing.
Position in the firm place and adjust the
adjust screw.
Keep foods not to reach the door.
Clean the inside of the set.
Wrap smelly foods.
The new products smell plastic, but it is
removed after 1-2 weeks.
Replace the
components of
defrosting circuit.
Repair the cycle.
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