Normal Operating Sounds - GE 21 Owner's Manual And Installation

Normal operating sounds.

These sounds are normal and are due mostly
to highly efficient operation.
The new high efficiency compressor runs faster and will have a higher pitch hum
or pulsating sound while operating.
The fans circulating air inside the freezer and refrigerator compartments which
keep the temperatures uniform throughout.
The fans operating at a high speed. 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.
Water dropping on the defrost heater causing a sizzling, hissing or popping
sound during the defrost cycle.
The flow of refrigerant through the freezer cooling coils sounds like boiling
water or a gurgling noise.
Cracking or popping of cooling coils caused by expansion and contraction
during defrost and refrigeration following defrost.
Water dripping as it melts from the evaporator and flows to the drain pan
during the defrost cycle.
Icemaker
(on some models)
The icemaker water valve will buzz when the icemaker fills with water. If the
power switch is in the l (on) position it will buzz even if it has not yet been hooked
up to water. Keeping the power switch in the l (on) position before it is hooked up
to water can damage the icemaker. To prevent this, set the power switch to the
0 (off) position. This will stop the buzzing.
The sound of cubes dropping into the bin and water running in pipes as
icemaker refills.
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