Service Diagnosis Chart - LG GB7143**AV Series Service Manual

2. SERVICE DIAGNOSIS CHART

COMPLAINT
Cooling is Is the power cord unplugged from the outlet?
impossible. Check if the power switch is set to OFF.
Check if the fuse of power switch is shorted.
Measure the voltage of power outlet.
Cooling ability is Check if the set is placed close to wall.
poor. Check if the set is placed close to stove, gas
cooker and direct rays.
Is the ambient temperature high or the room
door closed?
Check if put in is hot.
Did you open the door of the set too often or
check if the door is closed up?
Check if the Damper Control is set to "cold-
position".
Foods in the Is foods placed in cooling air outlet?
Refrigerator are
frozen. Check if the control is set to "cold-position".
Is the ambient temperature below 5°C?
Dew or ice forms in Is liquid food stored?
the chamber of the Check if put in is hot.
set. Did you open the door of the set too often or
check if the door is closed up.
Dew forms in the Check if ambient temperature and humidity of
Exterior Case. surroumcling air are high.
Is there gap in the door packed?
Abnormal noise Are the set positioned in a firm and even
generates. place?
Are any unnecessary objects set in the back
side of the set?
Check if the Tray Drip is not firmly fixed.
Check if the cover of mechanical room in
below and front side is taken out.
To close the door is Check if the door packing is dirty with filth
not handy. such as juice.
Is the set positioned in a firm and even place?
Is too much food putted in the set?
Ice and foods smell Check if the inside of the set is dirty.
unpleasant. Did you keep smelly foods without wrapping?
It smells of plastic.
In addition to the items described left, refer to the followings to solve the complaint.
Check if dew forms in
the Freezer.
Check Refrigerating
Cycle.
Check the
Damper Control
POINTS TO BE CHECKED
Defrosting is
poor.
The cycle is
faulty.
The operation of
the Damper
Control is poor.
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REMEDY
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 cooled down.
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 control to "mid-position".
Set the control to "warm-position".
Seal up liquid foods with wrap.
Put in foods after cooled down.
Don't open the door too often and close it
firmly.
Wipe dew with a dry cloth. This occurrence
is solved naturally in low temperature and
humidity.
Fill up the gap.
Adjust the Adjust Screw, and position in the
firm place.
Remove the objects.
Fix it firmly on the original position.
Place the cover at the 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 smells of plastic, but it is
eliminated after 1-2 weeks.
Replace the Components of
defrosting circuit.
Repair the cycle.
Replace the Damper Control