Many owners of modern household appliances are faced with a situation where Beko refrigerator it makes unusual sounds immediately after you slam the door. Most often, these sounds resemble gurgling, pouring water or a quiet hiss. For a person accustomed to the silence of older models, such acoustic activity can become a cause for serious concern and search for the causes of the breakdown.
However, in the vast majority of cases, these noises are an absolutely normal physical process associated with the operation of the cooling system. Modern units are designed to minimize energy consumption, which changes the nature of their operation compared to their predecessors. Understanding the physical processes occurring inside the circuit will help you distinguish normal operation from a real malfunction.
In this article we will analyze in detail the mechanics of refrigerant movement, the effect of circuit tightness and temperature changes on the sound background of your device. You will learn which parameters are considered normal, and in which situations it is worth sounding the alarm and calling a technician for diagnostics.
Physics of the process: movement of refrigerant in the system
The main reason why The refrigerator gurgleslies in the circulation of refrigerant (freon) inside a closed circuit. Unlike older models, which used other types of compressors and refrigerants, modern technology Beko often runs on environmentally friendly gases such as R600a (isobutane). This refrigerant is highly mobile and is able to produce more noticeable sounds as it passes through the capillary tube and evaporator.
When you close the door, the temperature inside the chamber begins to slowly rise, and the sensors record this change. The compressor starts or continues to operate, pumping gaseous and liquid freon through the system. The sound of “gurgling” or “overflowing” occurs precisely at the moment when the liquid phase of the refrigerant turns into a gaseous phase in the evaporator, or when a mixture of gases and liquid moves through narrow tubes under pressure.
⚠️ Attention: If the sound of gurgling is accompanied by a complete absence of cold in the chambers, this may indicate a freon leak. In such a situation, the compressor drives the remaining gas, creating a characteristic noise, but no cooling occurs.
The intensity of the sound directly depends on the amount of refrigerant in the system and the current phase of operation of the compressor. When the engine starts or stops, the pressure in the circuit changes sharply, which enhances the acoustic effect. This is especially noticeable in models with No Frostwhere the defrosting system also makes its own adjustments to the sound background.
The influence of tightness and differential pressure
Another important factor explaining why the refrigerator hums and gurgles after closing the door is the change in pressure inside the chambers. At the moment the door slams, warm air is sharply pushed out and, conversely, cold air is sucked in if the door does not close tightly or has defects in the seal. However, the gurgling sound itself is more often associated with the operation of the condensate drainage system.
In refrigerators with a drip defrosting or No Frost system, the moisture settling on the evaporator periodically thaws and flows into a special tray. This process may be accompanied by sounds similar to gurgling, especially if the drainage tube has complex geometry or partial contamination. After closing the door, the microclimate stabilizes, and the remaining moisture can actively move through the channel.
It is also worth considering the “pop” effect or a sharp sound, which sometimes occurs a few minutes after closing. This is due to pressure equalization: when the air inside the chamber cools, its volume decreases, and the door may be slightly suctioned. A sharp inhalation of air through leaks or valves can create sound effects that users mistakenly mistake for the gurgling of freon.
- 🌡️ A sharp temperature change when loading warm products increases the circulation of the refrigerant.
- 💨 A loose fit of the seal creates a whistle or hissing masquerading as gurgling.
- 💧 The drainage system can make sounds when melt water is actively draining into the container.
It is important to understand that refrigeration equipment Beko undergoes strict quality control, and the design features of the model often dictate a certain noise level. If you have just purchased equipment, give it a few days to adapt to the conditions of your kitchen.
Is this normal or a malfunction: evaluation criteria
How can an ordinary user understand whether does the refrigerator gurgle normallyor is it time to call service? The key criterion here is cooling efficiency. If food inside the chambers freezes or, on the contrary, spoils, and the sound of gurgling has become a constant companion to the operation of the unit, this is an alarming signal.
In normal mode, the sound should be periodic. It appears when the compressor is running and goes away when the engine stops. If gurgling is heard constantly, even when the compressor is silent, this may indicate that there is little freon left in the system, and the compressor is trying to pump what is left, creating a constant noise.
| Symptom | Probable cause | Status |
|---|---|---|
| Quiet gurgling when the engine is running | Freon circulation | Normal |
| Loud overflow + no cold | Refrigerant leak | Repair |
| Sound of water after defrosting | Condensate drain | Normal |
| Gurgling + hot side walls | Condenser heating | Normal |
Pay attention to the temperature of the outer walls of the case. During normal operation, the side panels may become warm, causing heat to escape from the condenser. If the walls are cold and the sound of gurgling is present, circulation may be impaired.
⚠️ Attention: Never ignore the combination of extraneous sounds with the formation of a “snow coat” in the refrigerator compartment (if you have a No Frost model). This is a direct sign of a violation of the defrost cycle or leakage.
Features of operation of inverter compressors
Modern models Beko are increasingly equipped with inverter compressors. Their main difference from classic ones is the ability to smoothly change power, and not just turn on and off. It is these motors that can create a specific acoustic background, which users describe as “murmuring” or “gurgling.”
The inverter motor operates almost continuously, maintaining the set temperature. At moments when it is necessary to cool the chamber a little, the compressor switches to low speed. In this mode, the pressure in the system is minimal, and the movement of the refrigerant becomes very clearly audible, especially at night, when there is no extraneous noise from the street.
The design of such compressors involves the use of special oils and precise adjustment of the valves. If the unit is installed level and the vibration mounts are intact, then any sound emanating from the motor itself is a consequence of its internal operation. Inverter technology allows you to save up to 40% of electricity, and “sound accompaniment” is a small price to pay for energy efficiency.
Inverter service life compressor
Manufacturers claim a service life of up to 10 years or more. However, the sensitivity to voltage drops in such models is higher, so it is recommended to use stabilizers or surge protectors.
External factors that increase noise
Sometimes the reason that the refrigerator makes soundslies not in the equipment itself, but in the conditions of its operation. Incorrect installation is one of the most common reasons for increased resonance and the appearance of extraneous noise that can be mistaken for gurgling.
If the refrigerator is not level, vibration from the compressor is transmitted to the body and floor, increasing. It is also important to leave a gap between the back of the device and the wall of the room. Insufficient ventilation leads to overheating of the condenser, the compressor begins to work more intensely, and the sound of freon circulation becomes louder.
- 🏠 Installation near heating devices or in direct sunlight.
- 📏 No gap of 5-10 cm at the back and sides for circulation air.
- 🧱 Uneven floor, causing the housing to skew and vibrate.
Check that the condenser tubes (on the back wall) are not touching each other or the housing. During operation, they can vibrate and make rattling sounds, which, in combination with the noise of freon, create a false impression of a malfunction inside.
☑️ Checking installation conditions
When you need to call a specialist
Despite the fact that gurgling is most often normal, there are situations when it is not possible without the intervention of a specialist make do. If you notice that the sound has changed its character, has become louder, or other symptoms have been added to it, you should not hesitate.
The most dangerous situation is freon leak. In modern models with isobutane (R600a), the gas is flammable in high concentrations, although its amount in the circuit is small. A leak leads not only to spoilage of products, but also to failure of the compressor, which runs “idle” and overheats.
A malfunction of the thermostat or sensors can also be a reason for contacting service. If they transmit incorrect data to the control board, the compressor may operate abnormally, creating excess noise and pressure in the system.
⚠️ Attention: An independent attempt to refuel the refrigerator or solder tubes without special equipment and a license is strictly prohibited. This is life-threatening and will permanently disable the equipment.
If you doubt the diagnosis, use the self-diagnosis function (if your model has it Beko) or simply observe the behavior of the device during the day. Record how often the compressor turns on and how long it runs.
Prevention and proper operation
In order for your Beko refrigerator to serve for a long time and please you with silence, it is important to follow simple operating rules. Regular defrosting (for drip models), timely removal of ice and cleaning the drainage hole will help avoid unnecessary noise.
Do not place hot foods in the chamber. A sharp rise in temperature forces the cooling system to work at its limit, which increases the rate of refrigerant circulation and, accordingly, the noise level. Allow food to cool to room temperature before loading.
Periodically check the condition of the rubber seals on the doors. A cracked or dirty seal compromises the seal, causing the compressor to run more often and for longer. Wipe the rubber bands with a soft cloth and check the tightness.
Why does the refrigerator gurgle only after the door is closed?
This is due to a change in heat transfer. When the door is opened, warm air flows in. After closing, the active process of cooling this volume begins, the compressor works more intensely, and the movement of the refrigerant becomes more noticeable to the ear.
Can an empty refrigerator gurgle?
Yes, it can. An empty refrigerator cools mainly air, which has a low heat capacity. Temperature fluctuations occur faster, the compressor can turn on more often, which makes the sounds of the system more audible compared to a unit loaded with products.
Is the sound of gurgling dangerous for equipment?
The sound itself is not dangerous, it is a physical property of the operation of the circuit. What is dangerous is the reason that may be behind the change in sound (for example, a leak), but not the acoustic effect itself. If there is cold, the equipment is in order.
Is it necessary to level the refrigerator if it gurgles?
You need to level the refrigerator in any case, regardless of the sounds. Incorrect tilt angle may interfere with oil flow into the compressor or condensate drainage, resulting in failure. Use adjustable supports for level installation.
Does the brand of freon affect the volume of gurgling?
Yes, it does. The R600a (isobutane) freon used in most modern Bekos is noisier when circulating than the older R12 or R134a freons due to its physical properties and higher system flow rates.