How to add coldness in the refrigerator Atlant: setup and repair

The situation when food in the refrigerator stops freezing or is not cooled effectively enough is familiar to many equipment owners. If you notice that the milk is quickly turning sour and the ice is melting in the freezer, then it’s time to figure out how to add coldness to the refrigerator Atlant. Often the problem lies not in a compressor breakdown, but in incorrect settings of modes or banal violations of operating rules.

Understanding the operating principles of your unit will help save time and money when calling a technician. In most cases, you can restore normal temperature conditions on your own by performing a series of simple manipulations with the regulators and checking the tightness of the chambers. However, it is important to act consistently so as not to aggravate the situation.

In this article we will analyze in detail mechanical and electronic adjustment methods, and also touch on technical malfunctions that require specialist intervention. You'll learn where to look for hidden settings and how to tell if your system is low on refrigerant. Competent diagnostics is the first step to solving the problem.

Diagnostics of the current temperature regime

Before turning the thermostat knobs, you need to objectively assess the situation. It often seems to users that there is not enough cold, although in fact the equipment is operating normally, but is overloaded with warm products. For an accurate diagnosis, use an external thermometer by placing it in a glass of water on the middle shelf.

The normal temperature for the main chamber is considered to be in the range from +2 to +5 degrees Celsius. If the indicators are higher, you need to look for the reason. Pay attention to the location of the products: if they are placed close to the back wall, the sensors may read incorrect data.

⚠️ Attention: Do not take temperature measurements immediately after adding a large batch of warm products. Give the equipment 3-4 hours to stabilize the regime before drawing conclusions about a lack of cold.

Visual inspection also plays an important role. Check to see if there is any frost on the rear wall or, conversely, that the evaporator is completely dry when the compressor is running. These signs can indicate various problems: from a freon leak to a malfunction of the defrost sensor.

Adjusting a mechanical thermostat

In classic models Atlant, such as the MHM-1700 or 1800 series, control is carried out mechanically. The thermostat is a rotary knob with divisions from 1 to 7 (or from Min to Max). Many people mistakenly believe that the number indicates degrees, but in fact it is the degree of cooling intensity.

To add cold, you need to turn the knob towards the larger number. The principle of operation is simple: the higher the value, at a lower temperature inside the chamber, the thermostat will break the circuit and turn off the compressor. If you turn the knob to maximum, the refrigerator will work almost without stopping.

However, it is worth remembering that constant operation at maximum mode leads to accelerated wear of the compressor and excessive consumption of electricity. The optimal position for most models is the value 3 or 4. If in this position the cold is not enough, perhaps the problem is not in the settings.

In some models, the thermostat is located inside the camera, and in some - outside, on the front panel. If you have a two-compressor refrigerator, do not forget to check the settings in the freezer compartment, if there is also a separate regulator there.

Setting up electronic control and display

Modern refrigerators Atlant with a system No Frost and electronic control allow you to set the temperature with an accuracy of a degree. The interface may differ depending on the series, but the logic remains the same. To change parameters, touch buttons or key combinations are usually used.

Models with a display often have a “Super Freeze” or “Super Cool” mode. Activating this function causes the compressor to run continuously for several hours, rapidly reducing the temperature. This is ideal if you need to quickly cool a large amount of food.

To enter the setting mode, you often need to hold the temperature adjustment button for several seconds until the numbers flash. After this, you can use the "+" or "-" buttons to set the desired value. The standard recommendation is to set +4°C for the refrigerator compartment and -18°C for the freezer.

If the display shows an error or flashes, this may indicate a malfunction of the temperature sensor. In this case, mechanically adding cold will not help - the system “thinks” that there is already a minus in the chamber and does not turn on the compressor.

The influence of the defrosting mode on cooling

One ​​of the common causes of a lack of cold is a violation of the defrosting cycle. In systems No Frost frost on the evaporator should periodically melt. If the defrost heating element is faulty or the timer is jammed, the ice blocks air circulation and the cold stops flowing into the chamber.

In drip systems ("crying wall") it is important that the water has time to drain into the drainage tray. If the drain hole is clogged, the water freezes, forming an ice compressor that interferes with normal heat exchange. Regular defrosting (at least once a year) helps to avoid such problems.

You can check the condition of the defrosting system by completely defrosting the refrigerator within 24 hours. If, after turning on the network, the cold appears and lasts for several days, and then disappears again, the problem is in the defrosting system or freon leak.

⚠️ Attention: It is strictly forbidden to use sharp objects to chip ice. Damage to the evaporator tubes will lead to an immediate release of refrigerant and expensive repairs that cannot be done by yourself.

Technical reasons for poor performance

If adjusting the thermostat and defrosting did not help, it is worth considering more serious technical reasons. The most common of them is a refrigerant (freon) leak. If there is a shortage of gas, the compressor works, but does not create the necessary pressure for effective cooling.

Another option is a compressor malfunction. The engine may hum but not start, or run intermittently. It is also possible that the capillary tube becomes clogged, which interferes with the circulation of freon in the system. In these cases, you need to call a specialist with diagnostic equipment.

The table below shows the main symptoms and their probable causes, which will help you navigate before visiting a specialist:

It is important to note that independent repair of the refrigerant circulation system is prohibited and dangerous. To work with freon, a license and specialized tools are required. Attempts to “add gas” from lighter cans will lead to final breakdown of the unit.

External factors and operating conditions

Often the problem of lack of cold lies not in the refrigerator itself, but in the conditions of its placement. If Atlant stands close to the wall or in a niche where air circulation is disrupted, the condenser (black grille at the back) does not have time to cool down. This reduces the efficiency of the entire system.

The temperature in the room also affects. Standard refrigerators are designed to operate at ambient temperatures from +10 to +32 degrees. If the room is hotter than +35°C (for example, in the kitchen in summer), the equipment may not be able to cope with the load and will need help in the form of ventilation.

Check the rubber seals on the doors. If they do not fit tightly, warm, moist air constantly enters the chamber. This not only reduces the temperature, but also leads to the formation of ice. A simple test with a sheet of paper will help check the tightness: hold the sheet with the door and try to pull it out - it should come out with force.