Owners of modern two-chamber refrigerators Samsung often are faced with a situation where it is necessary to temporarily or permanently change the functionality of the freezer. This may be due to the need to increase the storage capacity for fresh food, the desire to save energy, or the need for defrosting. However, the design of many models suggests that the standard switch for the freezer simply does not exist on the front panel.
To solve this problem, engineers of the South Korean corporation have developed special software algorithms that allow transforming the operation of the evaporator. Depending on the series of your device, be it No Frost or a drip defrost system, the process may differ. It is important to understand that complete physical shutdown of the compressor while the main compartment is running is impossible, but changing the temperature regime is a very real option.
In this material we will analyze in detail all the available ways to switch the freezer to fresh food storage mode or turn it off completely. You will learn about the function Cool Select+, hidden engineering menus and physical adjustment methods that will help you adapt the equipment to your current needs without losing the warranty.
Cool Select+ function: smart temperature control
The most common and safe way to change the operating mode of the freezer compartment in refrigerators Samsung is the use of technology Cool Select+. This feature allows the user to independently select the temperature mode in the lower compartment, turning it from a freezer into an additional refrigeration space or a quick-freeze zone. The implementation of this option depends on the specific model and the presence of a digital display on the front panel.
To activate the mode, you usually need to press the corresponding button on the control panel. The display will indicate the temperature change. The standard adjustment range in refrigerator mode is from -15°C to -23°C for freezing, but in Cool Select+ mode the values can change upward, up to 0°C or +3°C, which is ideal for storing meat, fish or vegetables without freezing.
It is worth noting that not all models support the full temperature range. In some budget series Digital Inverter the function can limit the minimum temperature in refrigerator mode to -5°C or -9°C. This is done to prevent spoilage of food that may spoil at a temperature that is too high for a freezer, but low for a refrigerator.
⚠️ Attention: When switching to refrigerator mode (+1...+5°C), the system may not turn off the fan completely, but only reduce its speed. If you plan to store air-sensitive foods (such as unpackaged greens), make sure that the air flow is not directly directed at them.
Step-by-step instructions for activating the refrigerator mode
The process of switching the freezer operating mode is intuitive, but requires strict adherence to the sequence of actions. In models with a touch display, such as series RB30 or RB37, control is carried out by touch. Models with mechanical buttons may require a long press or combination of keys.
You must first unlock the control panel if the lock indicator is illuminated. Typically, this requires pressing and holding a button Ice Max or a special lock button for 3 seconds. After unlocking, you can begin setting up the temperature profile of the lower compartment.
☑️ Algorithm for activating the Cool Select+ mode
After selecting the desired temperature, the system will begin adjusting the operation of the compressor. This process is not instantaneous: sensors must detect changes in parameters, and only then active cooling will begin or, conversely, increasing the temperature to the set values. Stabilization time can take from 1 to 2 hours depending on the current load of the cameras.
If your model does not have a separate button for the lower compartment, try holding the button F freezer (or similar) for 3 seconds. In some cases, this action cyclically switches modes: Freeze (freezing) → Cool (cooling) → Off (shutdown). Visual confirmation of the mode change is displayed on the screen with the corresponding symbols or a change in color indication.
Engineering menu and hidden temperature settings
For advanced users who are not satisfied with the standard temperature ranges provided by the manufacturer, it is possible to access advanced settings. Although Samsung does not recommend tampering with factory calibrations, some models of two-compartment refrigerators have hidden combinations that allow (fine-tuning) temperature offsets.
One method is to simultaneously press the Freeze and Cool (or Fridge) in a certain sequence. For example, holding both buttons for 5-8 seconds can cause the display to show the current temperature inside the chambers instead of the set temperature. This allows you to control the actual condition of the products.
Deeper settings, known as Customer Mode or temperature shift mode, often require entering a code or a specific sequence of keystrokes. For example, pressing the temperature setting button three times in a row can change the adjustment step from 1 degree to 0.5 degrees. However, you should be careful: incorrect settings can lead to incorrect operation of the defrosting algorithms.
How to reset the settings to factory settings?
If you accidentally changed the parameters in the hidden menu and the refrigerator began to work incorrectly, perform a full reset. Disconnect the device from the power supply for 10-15 minutes. Then turn it on and, while holding the control buttons (usually the top and bottom panels at the same time), wait for the beep. All user settings will be returned to their original values.
It is important to understand that accessing the engineering menu does not allow you to completely turn off the compressor, leaving only the light or fan running. The main purpose of these functions is to calibrate sensors and compensate for thermoregulation errors under different operating conditions.
Physical methods and working with a thermostat
In refrigerator models Samsung of older generations or in budget lines without electronic control (mechanical control), digital methods for turning off the freezer are not available. In such devices, for example, series with one compressor and a mechanical regulator inside the refrigerator compartment, the temperature in the freezer depends on the operation of the main thermostat.
The thermostat in such models regulates the operation of the compressor, focusing on the temperature in the refrigerator compartment. If you set the regulator to the minimum value (usually 1 or Min), the compressor will turn on less often. This will increase the temperature in the freezer, but will not allow it to be completely turned off or turned into a refrigerator, since there is only one evaporator.
There is a myth about the possibility of switching the air duct damper. In some two-chamber systems No Frost the damper regulates the flow of cold air from the freezer to the refrigerator compartment. By closing it, you will stop the cooling of the upper compartment, but the freezer will continue to freeze. There is no check valve that would let heat from the refrigerator into the freezer.
| Control type | Possibility of shutdown | Minimum temperature | Implementation method |
|---|---|---|---|
| Electronic (Digital Inverter) | High (Cool Select+ mode) | up to +3°C | Control panel |
| Mechanical (Thermostat) | Low (only increasing t°) | about -6...-9°C | Regulator inside the chamber |
| Full No Frost system | Medium (depending on the model) | up to 0°C | Button combination |
| Smart / Wi-Fi models | High (via application) | up to +5°C | SmartThings Application |
⚠️ Attention: An attempt to physically turn off the defrost heater or fan in the freezer by mechanical means (open circuit) will lead to icing of the evaporator and failure of the compressor. Do not interfere with the electrical circuit without professional skills.
Using the SmartThings application for remote control
Modern refrigerators Samsung equipped with modules Wi-Fi and support integration into the smart home ecosystem. This opens up additional possibilities for managing temperature conditions, even if you are outside the home. Through the application SmartThings you can not only monitor the status, but also change settings.
To use this function, you must register the device in the application, following the instructions on the smartphone screen. After pairing, a tab for setting up the freezer will appear in the refrigerator control menu, if the model supports Cool Select+. The application interface is often more informative than the small display on the refrigerator.
The advantage of remote control is the possibility of flexible scheduling. For example, you can leave the freezer in deep freeze mode, and before guests arrive or purchase a large amount of fresh food, switch it to refrigerator mode a couple of hours before returning. The system itself optimizes the operation of the compressor to achieve the specified parameters.
In addition, use scenarios are often available through the application, such as “Vacation” or “Party”, which automatically adjust the optimal temperature balance between cameras. This eliminates the need for the user to manually select degrees for each specific case.
Frequent problems and troubleshooting when changing modes
When switching the freezer to refrigerator mode, users may encounter a number of unusual situations. Understanding the physics of processes will help avoid panic. For example, in the first hours after changing the mode, the temperature may “float”, and condensation may form on the walls - this is a normal process of equalizing temperature gradients.
One of the common problems is the appearance of extraneous noise. When switching to refrigerator mode, the fan may change speed, which creates unusual sound effects. Also, the compressor may work longer than usual, since it takes time to “push” the cold out of the system or, conversely, to bring it up to new values.
If the display blinks or shows an error (for example, codes 8888, 1E, 3E), this may indicate a malfunction of the temperature sensor, which has ceased to correctly read readings in the new range. In such cases, it is recommended to reboot the system.
Why did the food in the freezer begin to spoil after switching to refrigerator mode?
This happens if you selected a temperature above -5°C for products that require deep freezing. The Cool Select+ mode is intended for short-term storage of meat, fish or vegetables, but not for long-term storage of ice cream or semi-finished products, which lose their structure at temperatures above -12°C.
Is it possible to completely turn off the power to the freezer while leaving the refrigerator working?
Technically, in household two-chamber Samsung models this is impossible without interfering with the electrical circuit, which will invalidate guarantee. There is only one compressor, and it either works on both chambers or is turned off completely. The “shutdown” mode of the freezer is actually an operating mode at elevated temperatures (+3...+5°C), and not a complete cessation of cooling.
How long do you need to wait for the temperature to stabilize after switching?
It takes from 2 to 4 hours to completely equalize the temperature and transition the system to normal operation after changing the settings. At this time, it is not recommended to load the chamber with a large amount of warm products, so as not to create additional load on the compressor.
Does frequent switching of modes affect the service life of the compressor?
Modern inverter compressors Digital Inverter are designed for frequent load changes and smooth power adjustment. However, sudden temperature changes (for example, from -23°C immediately to +5°C) create thermal stress on the evaporator materials. It is recommended to do this no more than once a month.