A situation when a household appliance stops performing its functions always causes panic, especially when it comes to the safety of products. Equipment owners Biryusa often encounter the fact that the unit suddenly stops cooling or makes strange sounds. This can be caused either by a banal power surge or by a serious breakdown of internal components.
Before calling a technician, it is worth conducting an initial diagnosis yourself. Many faults, such as incorrect position of the temperature control or a dirty condenser, can be easily repaired without special tools. However, ignoring serious symptoms can lead to complete failure of an expensive compressor.
In this article we will analyze in detail the main causes of equipment failure, decipher error codes and provide an action algorithm for different failure scenarios. Understanding the principles of operation of your model will help save time and money on restoring the device's functionality.
Primary diagnostics: why the refrigerator does not turn on
If you find that Biryusa refrigerator does not show signs of life, the first thing you need to do is check basic things. Often the problem lies not in the unit itself, but in the apartment’s power supply system or the condition of the outlet. Try plugging another device into the same outlet, for example, a hair dryer or lamp, to make sure there is current.
The second important step is checking the integrity of the power cord and plug. If equipment is frequently moved, the wire could fray at the base or at the point of entry into the housing. It is also worth inspecting the back wall for melts or traces of rodents if the device was standing on a balcony or in a garage.
⚠️ Attention: Before any inspection of the internal components, be sure to disconnect the device from the power supply. Working with electricity requires compliance with safety measures.
In some models with electronic control, the reason for the lack of response to the buttons may be a malfunction. control module. Try turning off the power to the device for 15-20 minutes and then turning it on again. This simple restart often helps to reset the controller's software error.
Problems with the compressor and start relay
The compressor is the heart of any refrigeration unit. If you hear a quiet hum or clicks, but the unit itself does not start, most likely the problem lies in the start-up relay or motor windings. Relay is responsible for supplying the starting pulse, and its failure is a common reason for stopping.
If the thermal protection is faulty The compressor may start, run for a few seconds and turn off again with a characteristic click. This is a protective reaction to overheating or short circuit in the windings. Long-term operation in this mode will lead to motor combustion.
Diagnostics of the compressor requires a multimeter. It is necessary to ring the windings for breaks or short circuits to the housing. The normal resistance of the windings varies depending on the model, but the absence of a reaction from the tester indicates the need to replace the unit.
How to check the starting relay?
Remove the relay from the compressor and shake it. If the knocking of the ball is heard inside or traces of burning are visible on the contacts, the part requires replacement. You can also check the resistance of the coil with a multimeter.
Malfunctions of the thermostat and temperature sensors
If the refrigerator works without stopping or, conversely, does not turn on at all, while room temperature remains inside, it is worth checking thermostat. In mechanical models, this is a simple part that opens the circuit when a set temperature is reached. In electronic analogues, this function is performed by sensors.
To check a mechanical thermostat, you can close its contacts directly. If after this procedure the compressor starts, it means the regulator is faulty and requires replacement. In models with a system No Frost there may be several sensors: for the evaporator, for the air in the chamber and for the freshness zone.
Incorrect sensor readings lead to the electronic control unit receiving false information. The unit may think that it is already cold inside and not start the cooling cycle, or it may work for wear, creating excess cold.
Freon leak and problems with the defrost system
One of the most insidious problems is a refrigerant leak. If you notice that the refrigerator is freezing, but weakly, or swelling and rust have appeared on the back wall, this is an alarming signal. Freon itself is not consumed during operation, its disappearance always indicates a violation of the tightness of the circuit.
In systems with automatic defrosting, it often leaves building Defrost heating element or timer. If the evaporator becomes overgrown with ice, the cold stops flowing into the chamber. Visually, this can be seen by disassembling the back panel of the freezer compartment and finding an ice coat there.
To eliminate the leak, professional equipment is required: a vacuum pump, a pressure gauge station and a supply of freon. It is almost impossible to independently find the leak and solder the tube without experience, since exact adherence to the soldering technology and gas dosage is required.
| Symptom | Probable cause | Difficulty of repair |
|---|---|---|
| The compressor is hot, but not works | Motor jammed or winding broken | High (compressor replacement) |
| Ice in the freezer, warm in the positive chamber | No Frost system malfunction (heating element, timer) | Medium (replacement of parts) |
| The refrigerator turns on for 1-2 minutes and turns off | Malfunction of the starting relay | Low (replacement of the relay) |
| There is a smell inside burning | Wiring short circuit or insulation overheating | High (search for short circuit) |
Error codes on the display and their interpretation
Modern models Biryusa equipped with a self-diagnosis system, which displays error codes on the display or signals by flashing indicators. Understanding these codes allows you to quickly isolate the problem. For example, an error may indicate a malfunction of the defrost sensor or a failure of communication with the control module.
A frequent error is a signal that the temperature in the chamber is too high. This may not be a breakdown, but a consequence of loading a large volume of warm food or a door that is not tightly closed. However, if the error persists after defrosting, an electronics check is required.
⚠️ Attention: Resetting the error using the buttons does not eliminate the physical breakdown. If the reason is not found, the error will appear again after the next cycle of operation.
To accurately decipher the codes of a specific model, it is better to refer to the manufacturer’s instructions, since combinations may differ in different series. Sometimes you need to enter the service menu to view the error history.
External factors: the influence of voltage and operating conditions
Unstable voltage in the network is the number one enemy for the compressor technology. Voltage surges can break the start relay or burn the control board. If the lights flicker frequently in your area, the use of voltage stabilizer is a prerequisite for the long life of the refrigerator.
The location of the unit also affects the operation. Installation close to a wall or in a niche without clearance for ventilation leads to overheating of the condenser. The compressor begins to work with overload, trying to compensate for the lack of heat transfer, which leads to its premature wear.
The ambient temperature also matters. Operation at temperatures below +10°C or above +35°C is not recommended by the manufacturers. In cold weather, the oil in the compressor thickens, and in extreme heat the system does not have time to dissipate heat.
☑️ Checking operating conditions
Frequently asked questions and answers (FAQ)
Why does the Biryusa refrigerator make a loud noise after installation?
The new unit must stand for several hours before turning on, so that the oil flows into the compressor. If your old refrigerator is humming, check to see if it's touching walls or furniture. An incorrectly installed condenser grille at the rear can also make noise.
Is it possible to replace the thermostat yourself?
In mechanical models - yes, this is a relatively simple procedure, requiring only a screwdriver and pliers. The main thing is to correctly install and secure the sensitive capillary tube in the evaporator so that it correctly reads the temperature.
What to do if water has formed in the refrigerator?
Check the drainage hole in the back wall of the refrigerator compartment. It often becomes clogged with crumbs or ice. You can clean it using a special wire or a soft rubber bulb. Also check the integrity of the condensate collection gutter.
How often do you need to defrost the Biryusa refrigerator?
Models with manual defrosting require disconnecting from the network 1-2 times a year. Systems No Frost i Low Frost do not require regular defrosting, but preventive washing and drying is recommended annually for hygiene.