SERVICE MANUAL
Model: HB21FSSAA, HB21FG*
34
Issue 2010-12
Rev.
Ref1012S008V0
Chapter 9 Trouble shooting
Problem
Cause
Water/moisture/frost in the refrigerator
Moisture accumulates
on the refrigerators
inner walls
Hot and moist climate.
The door is not closed
tightly
The door is opened too
frequently or for too
long time
Accumulation of frost and moisture
accelerate in such climate.
Make sure the refrigerator is level and
there is no food or container interfering
with the door
Do not open the door so frequently
Water/moisture/frost on outside surface of the refrigerator
Moisture accumulates
on the refrigerator’s
outside surface or
between two doors
Damp
climate
The refrigerator door is
not closed tightly. This
causes mixing of the
cold air in the
refrigerator with the
warm air outside it
It is normal in damp climate. The moisture
will decrease when the humidity drops.
Make sure the refrigerator is level and
there is no food or container interfering
with the door
Refrigerator operation
The compressor does
not work
The refrigerator is in
defrosting cycle.
The refrigerator is not
plugged into a power
outlet.
The refrigerator is in
OFF state.
It is normal for an automatic defrosting
refrigerator.
Verify the plug is plugged in the socket
firmly.
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
The air door cable is not
connected properly.
The fan does not work
The fridge storage
compartment is turned
off
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
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.
Turn on the fridge storage compartment
manually
The refrigerator runs
frequently or runs for
too long period
The indoor or outdoor
temperature is high
The refrigerator has
been powered off for a
period of time.
The automatic icemaker
is operating.
The door is opened too
frequently or for long
periods.
The door of the fridge /
freezer storage
compartment is not
tightly closed.
The temperature setting
for the freezer storage
compartment is too low
The door gasket of the
In this case, it is normal for the
refrigerator to run longer.
Normally, it takes 8 to 12 hours for the
refrigerator to totally cool down.
Icemaking process makes the refrigerator
to run longer.
Warm air enters the refrigerator and
causes it to start frequently. Please do not
open the door so frequently.
Make sure the refrigerator is level place
and there is no food or container
interfering with the door.
Set the temperature higher until
satisfactory refrigerator temperature is
obtained. It takes 24 hours for the
refrigerator temperature to become
stable.
Clean or replace the door gasket.