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Normal Operating Sounds
Understanding the sounds you may
hear
Your new high-efficiency refrigerator may
make unfamiliar sounds. These are all normal
sounds and soon will become familiar to you.
They also indicate your refrigerator is operating
as designed. Hard surfaces, such as vinyl or
wood floors, walls, and kitchen cabinets may
make sounds more noticeable. Listed below
are descriptions of some of the most common
sounds you may hear, and what iscausing them.
NOTE
Rigid foam insulation is very energy efficient,
but isnot a sound insulator.
A,
Evaporator
The flow of refrigerant through the
evaporator may create a boiling or
gurgling sound.
B°
C°
Evaporator Fan
You may hear air being forced through
the refrigerator by the evaporator fan.
Defrost Heater
During defrost cycles, water dripping
onto the defrost heater may cause
a hissing or sizzling sound. After
defrosting, a popping sound may occur.
IMPORTANT
25
During the automatic defrost cycle, you
may notice a red glow in the vents on the
back wall of your freezer compartment.
This is normal during the defrost cycle.
D. Automatic ice maker
If your refrigerator is equipped with an
automatic ice maker, you will hear ice
cubes falling into the ice bin.
E. Cold Control & Defrost Timer or
Automatic Defrost Control
Theseparts can produce a snapping or
clicking sound when turning the refrigerator
on and off. The timer also produces sounds
similar to an electric clod<.
F. Condenser Fan
If condenser coils are located
underneath your refrigerator as shown
in the drawing at the left, you have a
condenser fan. You may hear air being
forced through the condenser by the
condenser fan.
G. Compressor
Modern, high-efficiency compressors
operate much faster than older models.
The compressor may have a high-
pitched hum or pulsating sound.
H. Water Valve
If your refrigerator is equipped with an
automatic ice maker, you will hear a
buzzing sound as the water valve opens
to fill the ice maker during each cycle.
I. Drain Pan (Nonremovable)
You may hear water running into the
drain pan during the defrost cycle. The
drain pan will be located on top of the
compressor for air-oooled condensers
(black coils on back of refrigerator).
J. Condenser Coils(Fan=cooled models only)
You may hear air being forced through
the condenser coils.
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