LG LFX28979SB - Manual (Page 48)

48 TROUBLESHOOTING
ENGLISH Problem Possible Causes Solutions
Clicking The defrost control will click when the
automatic defrost cycle begins and ends.
The thermostat control (or refrigerator
control on some models) will also click when
cycling on and off. Normal Operation
Rattling Rattling noises may come from the flow of
refrigerant, the water line on the back of the
unit, or items stored on top of or around the
refrigerator. Normal Operation
Refrigerator is not resting solidly on the
floor. Floor is weak or uneven or leveling legs need to be
adjusted. See the Door Alignment section.
Refrigerator with linear compressor was
jarred while running. Normal Operation
Whooshing Evaporator fan motor is circulating air
through the refrigerator and freezer
compartments. Normal Operation
Air is being forced over the condenser by
the condenser fan. Normal Operation
Gurgling Refrigerant flowing through the cooling
system. Normal Operation
Popping Contraction and expansion of the inside
walls due to changes in temperature. Normal Operation
Sizzling Water dripping on the defrost heater during
a defrost cycle. Normal Operation
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. To eliminate the noise, make sure that the sides and
back cannot vibrate against any wall or cabinet.
Dripping Water running into the drain pan during the
defrost cycle. Normal Operation
Pulsating or High-Pitched
Sound Your refrigerator is designed to run more
efficiently to keep your food items at the
desired temperature. 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. Normal Operation