A sudden stop in the operation of household appliances always becomes an unpleasant surprise, especially if this is the main source of cold in the kitchen. When Atlant refrigerator broke, owners often panic, fearing food damage and costly repairs. However, in most cases, the situation is not critical, and the device can be brought back to life without calling a technician.
The first thing that needs to be done is to carry out an initial visual diagnosis and rule out trivial causes of failure. Often the problem lies in power surges, accidental failure of electronics or incorrect setting of the temperature regime. Atlant refrigerators are famous for their reliability, but even they are subject to wear and tear of components.
In this article we will analyze in detail the algorithm of actions when a malfunction is detected, consider typical symptoms of breakdowns and determine when you can handle it yourself, and when you need a professional refrigeration equipment repair. Understanding the principles of operation of the unit will help you save time and money.
Primary diagnostics and checking the power supply
Before looking for complex technical faults, make sure that the problem is not related to the power supply. If Atlant refrigerator does not turn oncheck whether the indicator on the control panel or inside the camera is lit. The absence of light may indicate problems with the socket, plug or surge protector.
⚠️ Attention: Never try to repair an electrical part (plug, cord) under voltage. Before any manipulations, be sure to disconnect the device from the network.
Try to plug another electrical device into the same outlet, for example, a hair dryer or lamp, to make sure it is working. If the outlet is working, inspect the power cord for kinks, melts, or damaged insulation. In models with electronic control, the reason for the lack of response may be a power surge that activated the protection.
Sometimes a simple reset of the controller error helps. To do this, unplug Atlant refrigerator from the network for 10–15 minutes, and then turn it on again. If after this the unit starts up and begins to get cold, it means a software failure has occurred. If the equipment is still silent, the problem may lie deeper - in the start relay or compressor.
Analysis of the operation of the compressor and start relay
If you hear that the compressor is humming, but the refrigerator does not freeze, or it turns on for a couple of seconds and immediately clicks when it turns off, the problem is most likely in the start relay or the motor itself. The relay is a small plastic block that is attached to the side of the compressor and is responsible for starting the engine.
To check it, you need to carefully remove the back cover of the unit (after turning off the power) and dismantle the relay. Shake it near your ear: if a ringing or knocking sound is heard inside, it means the mechanism is damaged and requires replacement. This is one of the most common reasons why Atlant refrigerator stopped working correctly.
If the relay is working properly, but the compressor still does not start or is overheating, there may be an inter-turn short circuit in the motor windings. You can check this with a multimeter by measuring the resistance of the windings. Normal indicators must correspond to the technical data sheet of the model.
☑️ Diagnostics of the compressor unit
Also pay attention to the temperature of the compressor housing during operation. If it heats up to the point where it cannot be touched, this may indicate a jammed piston group or a lack of freon, which is why the motor does not receive proper cooling.
Problems with the No Frost system and defrosting
In models with the system No Frost a frequent reason for the cooling to stop is a malfunction of the defrost system. If the evaporator becomes covered with ice, the air channels are blocked and cold air stops flowing into the chamber. Visually, this can manifest itself as a running compressor in the absence of cold.
The key elements of this system are the heating element (heater), defrost sensor and timer (or electronic control module). If one of them fails, the defrost cycle will not start. As a result, Atlant refrigerator begins to run idle, and a snow coat forms on the back wall of the freezer.
⚠️ Attention: Do not try to chip the ice with a knife or other sharp objects. This can lead to damage to the evaporator and leakage of freon, which will make repairs economically unfeasible.
Diagnostics often require complete defrosting of the unit within 24 hours. If after defrosting the refrigerator worked normally, but after 1-2 weeks the symptoms recurred, it means that one of the components of the defrosting system is faulty. Replacing the heating element or sensor usually solves the problem.
How to check the defrosting heating element?
To check the heating element, you need to ring it with a multimeter in resistance measurement mode. If the device shows infinity (break), the heating element has burned out and requires replacement. Also check the integrity of the wires going to the heating element, as they often burn out at the point of contact.
Malfunctions of the thermostat and temperature sensors
If Atlant refrigerator either does not turn on at all, or works without interruption, “freezing” all products, the cause is often the thermostat (thermostat) or air temperature sensor. These devices are responsible for maintaining a given temperature inside the chambers.
In mechanical models, the thermostat is a device with a capillary tube that responds to temperature changes. If the tube has lost its seal or the contact has moved, the compressor will not receive a signal to start. In electronic models, this is done by sensors that can provide erroneous data to the control board.
You can diagnose a mechanical thermostat by closing its contacts directly (if the design and your qualifications allow). If the compressor starts after closing the contacts, then the regulator is faulty. In modern models with a display, a sensor malfunction is often signaled by a flashing indicator or error code.
It is worth considering that in two-compressor models Atlant each chamber has its own cooling circuit and its own regulator. Therefore, a breakdown of the thermostat in the freezer will not necessarily affect the operation of the refrigerator compartment, and vice versa.
Freon leakage and capillary system blockage
One of the most difficult problems to fix on your own is a refrigerant (freon) leak or capillary system blockage tubes. The symptoms of these malfunctions are similar: the compressor works almost non-stop, but there is no cold, or it is very weak.
When freon leaks, the pressure in the system drops, and the compressor cannot create the necessary temperature difference. Leaks often occur at solder joints or in the foamed part of the housing (evaporator). It is almost impossible to determine the location of a leak without special equipment (leak detector).
Clogging of the capillary system usually occurs due to moisture or oxidation products inside the circuit. In this case, one part of the system (usually the condenser) may be hot, and the other (the evaporator) may be cold or frosted only at the inlet. Repair in such cases requires evacuation of the system, purging and refilling with new freon.
| Symptom | Probable Cause | Difficulty of repair | Necessary equipment |
|:--- |:--- |:--- |--- |
| The compressor does not turn on | Faulty relay, thermostat | Low | Screwdriver, multimeter |
| It hums, but doesn't freeze | Freon leak, blockage | High | Pressure gauge, freon, vacuum degasser |
| Works non-stop | Leakage, compressor wear | Medium/High | Leak detector, tool |
| Heavy icing | No Frost fault | Average | Multimeter, tool set |
| Extraneous noise | Vibration, bearing wear | Low/Medium | Lubricant, keys |
Noise, vibration and mechanical damage
A breakdown does not always mean a complete stop of work. Sometimes Atlant refrigerator continues to freeze, but makes unusually loud sounds: humming, knocking, gurgling or whistling. Gurgling and overflowing of liquid are most often the norm - this is the refrigerant moving through the system.
Loud humming or vibration may indicate that the unit is not level. Check the leveling feet and make sure the cabinet is not touching walls or furniture. A fan in the No Frost system can also be a source of noise if ice has formed on its blades or it is unbalanced.
A knock in the compressor is a more alarming signal, indicating mechanical wear of the piston group or valves. In this case, the engine life is coming to an end, and it may soon need to be replaced. Ignoring this symptom will lead to permanent breakdown of the unit.
⚠️ Attention: If you notice a burning or plastic smell, immediately unplug the refrigerator. This may indicate overheating of the wiring or melting of the insulation, which creates a risk of fire.
Frequently asked questions (FAQ)
Why does the Atlant refrigerator freeze but does not turn off?
This may be caused by a freon leak, a malfunction of the thermostat that does not give a signal to stoppage, or damage to the door seal, due to which warm air constantly enters the chamber. It is also possible that the contacts in the relay may stick.
What to do if a “fur coat” has formed on the back wall of the refrigerator?
In models with a drip system, this may be the norm during defrosting. If the ice is constantly growing, check the tightness of the door, the integrity of the seal and the operation of the defrost system (heating element, sensor) in No Frost models.
Is it possible to transport the Atlant refrigerator lying down?
It is highly not recommended. When transporting lying down, there is a risk of the tubes coming off the compressor or oil leaking into the refrigerant circuit. If transportation lying down is unavoidable, after installation the unit must stand upright for at least 4–6 hours before turning it on.
How often do you need to defrost the Atlant refrigerator?
Models with manual defrosting require defrosting when a layer of ice 3–5 mm thick forms (usually once every 3–6 months). Drip defrosting and No Frost systems do not require regular intervention, except for periodic washing.
Why does the refrigerator turn on and immediately turn off?
Most often this indicates a malfunction of the compressor start relay or a problem with the engine itself (interturn short circuit, wedge). Also, the cause may be a power surge or a malfunction of the control board.