LG LTNS16121V Owner's Manual page 23

Problem
Whooshing Evaporator fan motor is circulating air
through the refrigerator and freezer
compartments.
Air
condenser by the condenser fan.
Gurgling Refrigerant
cooling system.
Popping Contraction and expansion of the
inside walls due to changes in
temperature.
Sizzling Water dripping on the defrost heater
during a defrost cycle.
Vibrating If the side or back of the refrigerator
is touching a cabinet or wall, some of
the normal vibrations may make an
audible sound.
Dripping Water running into the drain pan
during the defrost cycle.
Pulsating or Your refrigerator is designed to run
more efficiently to keep your food
High-Pitched
items at the desired temperature.
Sound
The high efficiency compressor may
cause your new refrigerator to run
longer than your old one, but it is still
more energy efficient than previous
models. While the refrigerator is
running, it is normal to hear a
pulsating or high-pitched sound.
Possible Causes
is being forced over
flowing through
Normal Operation.
the Normal Operation.
the Normal Operation.
Normal Operation.
Normal Operation.
To eliminate the noise, make sure that the sides and
back cannot vibrate against any wall or cabinet.
Normal Operation.
Normal Operation.
TROUBLESHOOTING
Solutions
22