52 TROUBLESHOOTING
Noises
Problem Possible Cause 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 
ow 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 oor.
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
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 owing 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 efciently to keep your food 
items at the desired temperature. 
The high efciency compressor 
may cause your new refrigerator 
to run longer than your old one, 
but it is still more energy efcient 
than previous models. While the 
refrigerator is running, it is normal 
to hear a pulsating or high-pitched 
sound.
Normal Operation