LG LFX25974 Series Owner's Manual page 43

TROUBLESHOOTING 43
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.
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.
Refrigerator is not resting solidly on the
floor.
Dripping
Pulsating or High-Pitched
Sound
Normal Operation
Water running into the drain pan during the
defrost cycle.
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.
Rattling Normal Operation
Floor is weak or uneven or leveling legs need to be
adjusted. See the Door Alignment section.
Refrigerator with linear compressor was Normal Operation
jarred while running.
Whooshing Evaporator fan motor is circulating air Normal Operation
through the refrigerator and freezer
compartments.
Air is being forced over the condenser by Normal Operation
the condenser fan.
Gurgling Refrigerant flowing through the cooling Normal Operation
system.
Popping Contraction and expansion of the inside Normal Operation
walls due to changes in temperature.
Sizzling Water dripping on the defrost heater during Normal Operation
a defrost cycle.
Vibrating If the side or back of the refrigerator is To eliminate the noise, make sure that the sides and
touching a cabinet or wall, some of the back cannot vibrate against any wall or cabinet.
normal vibrations may make an audible
sound.
Normal Operation
Normal Operation