LG LBNC15251 Series Owner's Manual page 30

30 TROUBLESHOOTING
Noises
Problem
Clicking
Rattling
Whooshing
Gurgling
Popping
Sizzling
Vibrating
Dripping
Pulsating or high-pitched
sound
Possible Cause & Solutions
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 noises may come from the flow of refrigerant 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 Leveling and Door Alignment section.
Refrigerator with linear compressor was jarred while running.
• Normal Operation
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
Refrigerant flowing through the cooling system.
• Normal Operation
Contraction and expansion of the inside walls due to changes in
temperature.
• Normal Operation
Water dripping on the defrost heater during a defrost cycle.
• Normal Operation
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.
Water running into the drain pan during the defrost cycle.
• Normal Operation
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