Two-chamber refrigerators of the Belarusian brand Atlant are deservedly popular due to their reliability and affordability. However, during long-term operation, users may encounter a situation where food in the refrigerator compartment begins to freeze, and excessive ice begins to form in the freezer compartment. This is a sure sign that the current temperature is too low for your needs or current operating conditions.
Before calling a technician or looking for a service center, it is important to understand that in most cases the problem can be solved by simply adjusting the settings. Temperature balance This is fine tuning, depending on many factors: from the number of loaded products to the air temperature in the room. Incorrect operation thermostat or lost settings of the electronic unit can lead to damage to supplies.
In this article we will analyze in detail the algorithms of action for various models Atlant, including mechanical and electronic control systems. You will learn how to correctly calibrate the device, what mistakes users make when setting it up on their own, and in what cases an increase in temperature indicates a serious technical malfunction of the compressor or heat removal system.
Principles of thermoregulation in Atlant refrigerators
Understanding the basic principles of operation of the refrigeration unit necessary for proper temperature control. In two-chamber models Atlant most often a single-circuit system with one compressor is used, where the cold is distributed between the chambers through dampers or separate evaporators. Adjusting the temperature in the refrigerator compartment automatically affects the operation of the freezer, although not always linearly.
The key element here is thermostat or an electronic sensor that reads the readings and instructs the compressor to turn on or off. If you notice that milk is freezing and vegetables are losing moisture, it means that the compressor cycle is too long or the shutdown temperature is set incorrectly. Mechanical models rely on the physical expansion of gas in a capillary tube, while electronics use digital signals.
It is important to consider that heat exchange depends not only on the settings, but also on the loading density of the chambers. An empty refrigerator works differently than a fully stocked refrigerator. Air exchange is disrupted if food is placed too tightly, which can create a false feeling of a lack of cold in some areas and its excess in others.
⚠️ Attention: A sharp change in the thermostat settings by more than one notch at a time can lead to unstable operation of the compressor and false sensor readings. Proceed gradually.
Temperature control in models with mechanical control
In classic models Atlant, such as the KSh-250 or KSh-270 series, control is carried out using a rotary knob located inside the refrigerator compartment. This handle is connected directly to thermostat. The scale usually has divisions from 1 to 7 (or from Min to Max), where number 1 corresponds to the highest temperature (least cold), and 7 to the lowest (maximum cold).
To increase the temperature, you need to turn the knob towards a lower value. If it's at "5" or "6", try moving it to "3" or "4". However, there is an important nuance here: the position of the knob does not mean a specific temperature in degrees Celsius. This is only a conditional scale of cooling power. The actual temperature depends on the ambient temperature in the kitchen.
After changing the position of the regulator, you must wait at least 6-8 hours for stabilization thermal mode. The compressor must cycle several times to bring the system into balance. Only after this can you take measurements with a thermometer and decide on further adjustments.
☑️ Algorithm for setting the mechanics
There is a common misconception that turning the knob towards “0” or “Off” helps to defrost the camera faster. This is true, but such manipulations are harmful for regular work. Constant sharp load surges on starting relay reduce the service life of the motor.
Setting up the electronic control unit (XM series and inverter)
Modern two-chamber refrigerators Atlant, especially series XM-4000 and newer, are equipped with electronic control with a display on the front panel of the door. Here the setting process is more precise, but requires care. The temperature is set in degrees Celsius separately for the refrigerator and freezer compartments, which is a huge advantage over mechanics.
To increase the temperature in the refrigerator compartment, you need to press the chamber selection button (usually indicated by a snowflake or refrigerator symbol) and use the "+" or "-" buttons to set the desired value. The optimal storage conditions for most products are considered to be from +3°C to +5°C. If your temperature is +1°C or +2°C, food may freeze at the back wall.
In some models with a system No Frost or “Full No Frost”, changing the settings can activate the fast freezing or super cooling mode if you are not careful. Watch the indicators on the display: if the snowflake icon with the letter "F" or a similar symbol lights up, the intensive mode is turned on, and the temperature must be reset manually.
⚠️ Attention: In electronic models, after a power outage, the settings may be reset to factory settings (usually -18°C in the freezer and +4°C in the refrigerator). Always check the settings after power surges.
Secret button combinations
In some older models with LED indication (without a digital display), the number of lit LEDs may indicate the operating mode. Turning off all indicators often puts the refrigerator into economy mode, but this method cannot set the exact temperature.
External factors affecting the temperature inside
Often users look for a way to increase the temperature by turning the controls, although the problem lies in the operating conditions. Heat exchange of the refrigerator with the environment is a critical parameter. If Atlant stands close to the wall, in a niche or next to a hot stove, the radiator on the back wall does not have time to cool down. The compressor works hard, trying to compensate for overheating, which can lead to a paradox effect: there is ice in the freezer, and in the refrigerator, due to impaired air circulation, there may be “warm” zones or, conversely, local hypothermia at the evaporator.
Load density also plays a role. A refrigerator stuffed to the brim with food keeps the temperature worse when the door is opened frequently, but it cools worse inside if the ventilation holes are blocked. This is especially true for models with a system Dynamic Cooling or analogues.
The temperature in the room directly affects the operation of the equipment. In winter, when the apartment is cool (+18...+20°C), the refrigerator may work more efficiently, and the standard settings may be redundant. In summer, when it’s hot, the situation is the opposite. Consider seasonality when setting climate class your device.
Diagnosis of faults when adjustment is impossible
If you set the regulator to minimum, 24 hours have passed, but the temperature does not rise and the food continues to freeze, there may be a technical malfunction. The most common reason is failure of the thermostat (thermostat). Its contacts could “stick” in the “on” position, and the compressor works continuously, without turning off for rest.
Another possible problem is a freon leak or a clogged capillary tube. If there is a leak, the compressor may run around the clock, trying to reach the temperature but not reach it, or, conversely, freeze only at one point of the evaporator (usually at the back wall), creating an “ice block” effect while the rest of the chamber remains warm. This requires the intervention of a technician with a pressure gauge.
It is also worth checking sealing rubber bands on the doors. If they do not fit tightly, warm, moist air constantly enters the chamber. The compressor tries to cool it, working without stopping, which leads to freezing of the evaporator and a violation of the temperature regime.
| Symptom | Probable cause | Action |
|---|---|---|
| The compressor hums continuously without turning off | Thermostat is faulty or freon is leaking | Call a technician, replace the sensor |
| Ice only at the back wall, heat in the center | Clogging capillary or circulation disturbance | Defrost for 24 hours, check |
| Temperature fluctuates (either +1, then +9) | Problem with electronics or sensor | Reset settings, diagnostics board |
| The refrigerator has turned off and will not turn on | Failure in the control unit | Checking power, reboot |
Common mistakes when trying to change the temperature mode
Many users make typical mistakes that not only do not help raise the temperature, but also aggravate the situation. One of the most common is to install a container of hot water inside the chamber for “quick heating”. This is strictly prohibited: a sharp temperature change can damage plastic elements the interior finishing and create a huge load on the compressor, which will begin to work at its limit.
Another mistake is frequently opening the door in the hope of letting in heat. This leads to the ingress of a large amount of moisture, which settles on the evaporator, turning into an ice crust. This crust acts as a heat insulator, preventing the cold from spreading, and the temperature sensor, seeing “warmth” in itself (due to the insulation), instructs the compressor to thresh even harder.
Ignoring defrosting instructions is another path to problems. If you try to change the settings, and the evaporator is covered with a thick layer of ice, the system will not be able to calibrate correctly. Atlant, like any equipment, requires periodic maintenance.
When you need to contact a service center
Self-adjustment is possible and effective in 80% of cases, but there are situations when professional diagnostics are required. If you hear unusual sounds: gurgling, clicking, whistling, or if the engine is hot to the touch but does not produce cold, this is an alarm. It is also worth contacting specialists if rust or swelling is visible on the back wall inside the chamber - signs of evaporator corrosion.
In models with electronics, failure becomes a common occurrence control unit. If the display blinks, shows an error (for example, F4, F5) or does not respond to presses, a soft reset may not help. Re-flashing or replacement of the module is required.
Remember that opening the housing yourself, especially in the area of the compressor and sealed pipes, will void your warranty and can be life-threatening due to the presence of refrigerant and electricity. Replacing the thermostat in two-chamber Atlant refrigerators often require removing the back panel and access to the evaporator, which is best entrusted to a trained technician with a tool.
Why does water freeze in the Atlant refrigerator, although the regulator is at a minimum?
If the mechanical regulator is set to "1" (minimum), and the water still freezes, most likely the thermostat itself has failed (its contacts are closed) or is broken The door seal is leaking and the compressor does not turn off. This may also be a sign of a freon leak when the system is idling, creating local areas of hypothermia.
What is the normal temperature in a two-chamber Atlanta?
The optimal temperature in the main chamber is from +2°C to +5°C. For long-term storage in the freezer, it is recommended to maintain a temperature of -18°C. For short-term storage (up to 3 days), an increase to -12°C...-14°C is permissible, which saves energy.
Is it possible to replace the thermostat in the Atlant refrigerator yourself?
Theoretically, yes, if you have skills in working with electricians and tools. However, in two-chamber models, access to the thermostat is often difficult due to the design. In addition, after replacement, it may be necessary to accurately calibrate the length of the capillary tube, otherwise the refrigerator will not work correctly.
How to reset the electronics settings to factory settings?
In most models with a display, you need to simultaneously press the mode selection and temperature setting buttons for 5-10 seconds (it is better to look for the exact combination in the instructions for a specific model, as they differ). Alternatively, unplugging the appliance for 15 minutes often performs a soft reset function.