Normal Operating Sounds
Understanding the sounds you may hear
Your new high-efficiency refrigerator may make unfamiliar
sounds. These are ail 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, wafts, and kitchen cabinets may make sounds
more noticeable. Listed below are descriptions of some
of the most common sounds you may hear, and what is
causing them.
NOTE
Rigid foam insulation is very energy efficient, but is not a
sound insulaton
A. Evaporator
The flow of refrigerant through the evaporator may
create a boiling or gurgling sound.
B. Evaporator Fan
You may hear air being forced through the refrigerator
by the evaporator fan.
C. 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
During the automatic defrost cycle, you may notice a
red glow in the vents on the back wail of your freezer
compartment. This isnormal during the defrost cycle.
D. Automatic Icemaker
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
These parts can produce a snapping or clicking sound
when turning the refrigerator on and off. The timer also
produces sounds similar to an electric clock.
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 (Non-removable)
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-cooled 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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