Normal operating sounds.

ge.com

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The new high efficiency compressor may run faster

You may hear the fans spinning at high speeds.

and longer than your old refrigerator and you may

hear a high-pitched hum or pulsating sound while

This happens when the refrigerator is first plugged

it is operating.

in, when the doors are opened frequently or when

Sometimes the refrigerator runs for an extended period,

a large amount of food is added to the refrigerator

or freezer compartments. The fans are helping to

especially when the doors are opened frequently. This

maintain the correct temperatures.

means that the Frost Guardfeature is working to

prevent freezer burn and improve food preservation.

If either door is open for over 3 minutes, you may

You may hear a whooshing sound when the doors close.

hear the fans come on in order to cool the light

bulbs.

This is due to pressure equalizing within the refrigerator.

The fans change speeds in order to provide optimal

 

 

 

 

 

 

 

 

 

 

cooling and energy savings.

 

 

 

 

CLICKS, POPS,

WATER SOUNDS

CRACKS and CHIRPS

 

You may hear cracking or popping sounds when the

refrigerator is first plugged in. This happens as the

The flow of refrigerant through the freezer cooling

refrigerator cools to the correct temperature.

coils may make a gurgling noise like boiling water.

Electronic dampers click open and closed to provide

Water dropping on the defrost heater can cause a

optimal cooling and energy savings.

sizzling, popping or buzzing sound during the

The compressor may cause a clicking or chirping

defrost cycle.

sound when attempting to restart (this could take

A water dripping noise may occur during the defrost

up to 5 minutes).

cycle as ice melts from the evaporator and flows into

The electronic control board may cause a clicking

the drain pan.

sound when relays activate to control refrigerator

Closing the door may cause a gurgling sound due to

components.

pressure equalization.

 

Expansion and contraction of cooling coils during and after defrost can cause a cracking or popping

 

sound.

For additional information on normal

 

icemaker and dispenser operating sounds,

On models with an icemaker, after an icemaking

see the About the automatic icemaker

 

cycle, you may hear the ice cubes dropping into

 

and About the ice and water dispenser

 

the ice bucket.

 

sections.

 

 

29

Safety Instructions Operating Instructions Installation Instructions Troubleshooting Tips Consumer Support

Page 29
Image 29
GE MODELS 23 AND 25 installation instructions Normal operating sounds, Hummm

MODELS 23 AND 25 specifications

General Electric (GE) has long been a prominent name in the industrial world, particularly in the aviation and power generation sectors. Among its notable innovations are the GE Models 23 and 25, which have made significant contributions to engineering and technology.

The GE Model 23, launched in the early 1960s, was primarily designed for use in the aviation industry. This model is recognized for its robust design and reliable performance. Engineered with advanced materials for its time, the Model 23 utilized high-strength steel and lightweight aluminum alloys to reduce its overall weight while maintaining structural integrity. This focus on weight reduction allowed for improved fuel efficiency in aircraft utilizing this model.

One of the standout features of the GE Model 23 is its advanced turbofan engine technology, which is characterized by its quiet operation and high thrust capabilities. The model was notable for its bypass ratio, allowing it to deliver optimal performance with lower fuel consumption. This efficiency made it a popular choice among commercial airlines, as it contributed to lower operational costs.

The GE Model 25 followed shortly after and is often regarded as a more advanced iteration of the Model 23. Incorporating lessons learned from its predecessor, the Model 25 features improvements in aerodynamics and thermal efficiency. One of its key characteristics is its high bypass turbofan design, which enhances thrust while reducing noise levels even further.

The Model 25 also integrates cutting-edge digital engine control systems, allowing for precise management of engine performance. This technology not only optimizes fuel efficiency but also enhances the overall reliability of the engine under various operating conditions. Additionally, the use of composite materials in the fan blades of the Model 25 reduces weight and further improves efficiency.

Both models are equipped with advanced diagnostics and monitoring features, enabling engineers to assess engine health in real-time and preemptively address any potential issues. This has paved the way for improved maintenance routines and reduced downtime in aircraft operations.

In summary, the GE Models 23 and 25 epitomize GE's commitment to innovation, performance, and efficiency. With features that have significantly influenced the aviation industry, they have set a high standard for future developments in engine technology. Their advanced design and focus on sustainability continue to inspire new generations of engineers and manufacturers around the globe.