SERVICE MANUAL
Model: HB21FC45N*
36
Issue 2010-07-05
Rev. Ref1007S019V0
Chapter 9 Trouble shooting
9-1.Troubleshooting and Repair
Problems Causes Solutions
Water/moisture/frost in the refri
erator
Moisture accumulates
on the refrigerators
inner walls
z Hot and moist climate.
z The door is not closed
tightly
z The door is opened too
frequently or for too long
time
z
ccumulation of frost and moisture
accelerate in such climate.
z Make sure the refrigerator is level and there
is no food or container interfering with the
door
z Do not open the door so frequently
Water/moisture/frost on outside surface of the refri
erator
Moisture accumulates
on the refrigerator’s
outside surface or
between two doors
z Damp climate
z The refrigerator door is
not closed tightly. This
causes mixing of the cold
air in the refrigerator with
the warm air outside it
z It is normal in damp climate. The moisture
will decrease when the humidity drops.
z Make sure the refrigerator is level and there
is no food or container interfering with the
door
Refrigerator operation
The compressor does
not work
z The refrigerator is in
defrosting cycle.
z The refrigerator is not
plugged into a power
outlet.
z The refrigerator is in OFF
state.
z It is normal for an automatic defrosting
refrigerator.
z Verify the plug is plugged in the socket
firmly.
z Press the “Power” button for 3 second or
more to restart the refrigerator or turn the
knob from OFF to temperature selection
position.
The fridge storage
compartment does not
work
z The air door cable is not
connected properly.
z The fan does not work
z The fridge storage
compartment is turned
off
z Check if the air door cable is not connected
properly and install it correctly if not so.
Verify that the air door acts normally with
the Fridge ON/OFF key on the display
panel
z The fan does not work while the
refrigeration air door is open. Please check
if the door on-off behind the front decoration
strip is installed properly. Reinstall it
correctly if not so.
z Turn on the fridge storage compartment
manually
The refrigerator runs
frequently or runs for
too long period
z The indoor or outdoor
temperature is high
z The refrigerator has been
powered off for a period
of time.
z The automatic icemaker
is operating.
z The door is opened too
frequently or for long
periods.
z The door of the fridge /
freezer storage
compartment is not
tightly closed.
z In this case, it is normal for the refrigerator
to run longer.
z Normally, it takes 8 to 12 hours for the
refrigerator to totally cool down.
z Icemaking process makes the refrigerator
to run longer.
z Warm air enters the refrigerator and causes
it to start frequently. Please do not open the
door so frequently.
z Make sure the refrigerator is level place and
there is no food or container interfering with
the door.
z Set the temperature higher until satisfactory
refrigerator temperature is obtained. It takes
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