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21
NORMAL OPERATING SOUNDS
Understanding the sounds
coming from the refrigerator
High-eciency refrigerators may
introduce unfamiliar sounds. These
sounds normally indicate the refrigerator
is operating correctly. Some surfaces on
floors, walls, and kitchen cabinets may
make these sounds more noticeable.
The following is a list of major
components in the refrigerator and the
sounds they can cause:
A Evaporator Refrigerant through
the evaporator may create a
boiling or gurgling sound.
B Evaporator fan Sounds of air
being forced through the
refrigerator by the evaporator
fan may be heard.
C Defrost heaters During defrost
cycles, water dripping onto the
defrost heaters may cause a
hissing or sizzling sound. After
defrosting, a popping sound
may occur.
D Automatic ice maker When
ice has been produced, sounds
of ice cubes falling into the
ice bin may be heard. The ice
maker fan, water valve
activation, and refrigerant
gas fluid may create sounds
from its operation.
E Electronic control & automatic
defrost control These parts can
produce a snapping or clicking
sound when turning the cooling
system on and o.
F Compressor Modern, high-
eciency compressors run much
faster than older models. The
compressor may have a high-
pitched hum or pulsating sound.
G Water valves Make a buzzing
sound each time they open to fill
the ice maker.
H Drain pan (not removable)
Sounds of water dripping into
the drain pan during the defrost
cycle may be heard.
I Condenser May create minimal
sounds from forced air.
J Motorized damper May produce
a light humming during operation.
NOTE
Energy ecient foam in the refrigerator
is not a sound insulator.
NOTE
During automatic defrost cycle, a red
glow in the back wall vents of the freez-
er compartment is normal.
Features vary by model
A
B
C
D
E
FG
H
I
J
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