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28 49-1000361 Rev. 4
Normal Operating Conditions.
Newer refrigerators sound different from older refrigerators. Modern refrigerators have more features and
use newer technology.
Do you hear what I hear? These sounds are normal.
HUMMM...
WHOOSH...
Ŷ
The new high efficiency compressor may run faster
and longer than your old refrigerator and you may
hear a high-pitched hum or pulsating sound while it
is operating.
Ŷ
Sometimes the refrigerator runs for an extended
period, especially when the doors are opened
frequently. This means that the Frost Guard™
feature is working to prevent freezer burn and
improve food preservation.
Ŷ
You may hear a whooshing sound when the doors
close. This is due to pressure equalizing within the
refrigerator.
Ŷ
You may hear the fans spinning at high speeds.
This happens when the refrigerator is first plugged in,
when the doors are opened frequently or when
a large amount of food is added to the refrigerator
or freezer compartments. The fans are helping to
maintain the correct temperatures.
Ŷ
If either door is open for over 3 minutes, you may
hear the fans come on in order to cool the light bulbs.
Ŷ
The fans change speeds in order to provide optimal
cooling and energy savings.
CLICKS, POPS,
CRACKS and CHIRPS
Ŷ
You may hear cracking or popping sounds when the
refrigerator is first plugged in. This happens as the
refrigerator cools to the correct temperature.
Ŷ
Electronic dampers click open and closed to provide
optimal cooling and energy savings.
Ŷ
The compressor may cause a clicking or chirping
sound when attempting to restart (this could take up
to 5 minutes).
Ŷ
The electronic control board may cause a clicking
sound when relays activate to control refrigerator
components.
Ŷ
Expansion and contraction of cooling coils during
and after defrost can cause a cracking or popping
sound.
Ŷ
On models with an icemaker, after an icemaking
cycle, you may hear the ice cubes dropping into the
ice bucket.
WATER SOUNDS
Ŷ
The flow of refrigerant through the freezer cooling
coils may make a gurgling noise like boiling water.
Ŷ
Water dropping on the defrost heater can cause a
sizzling, popping or buzzing sound during the defrost
cycle.
Ŷ
A water dripping noise may occur during the defrost
cycle as ice melts from the evaporator and flows into
the drain pan.
Ŷ
Closing the door may cause a gurgling sound due to
pressure equalization.
TROUBLESHOOTING TIPS: Normal Operating Conditions
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