Modern refrigerators LG is complex devices equipped with advanced control systems that allow the user to independently control the microclimate inside the chambers. Often, after purchasing or turning off power, owners are faced with the need to return to factory settings or adapt the operation of the unit to current needs. Incorrectly set parameters can lead to food spoilage or inefficient operation of the compressor.
The main interface for interacting with a smart refrigerator is located on the external control panel, where a digital display displays current values. Understanding the logic behind the operation of touch buttons and indicators is the key to long service life of your equipment. In this article we will look in detail at how to correctly change the temperature setting, what the flashing numbers mean and how to avoid common mistakes when setting up.
Location and design of the control panel
The control panel in refrigerators LG usually located on the outer door of the freezer or refrigerator. The specific location depends on the model, but the operating logic is the same for most series. The display shows two main numbers: the left one is responsible for the freezer compartment, the right one is for the refrigerator compartment.
Some models are equipped with a full LED display, others with a simple set of indicators. To activate the panel if it goes out in energy saving mode, just touch any button or open the door. It is important not to use excessive force when pressing, as the sensors respond to a light touch.
Functional buttons are located under the display or next to it. Most often they are labeled as “Fridge”, “Freezer”, “Express Freeze” and “Express Cool”. It is these controls that allow you to make changes to the current operating mode of the compressor.
Basic setting temperature in the refrigerator compartment
To change the parameters in the main compartment you need to find the button labeled as Fridge. Pressing this key puts the system into edit mode and the corresponding numeric value on the display begins to flash. This is a signal that the device is ready to accept a new command from the user.
After activating the setup mode, each subsequent press of the button Fridge will change the temperature value. The adjustment range is typically +1°C to +7°C. The optimal value for daily food storage is +3°C or +4°C.
⚠️ Attention: It is not recommended to set the temperature below +1°C in the refrigerator compartment, as this can lead to freezing of vegetables and fruits, as well as icing of the back wall.
After selecting the desired one values must be stopped pressing. After a few seconds, the blinking will stop and the new mode will be recorded in the controller’s memory. The compressor will automatically adjust its operation to achieve the specified parameters.
If you notice that the products in the far corner of the chamber are freezing, try increasing the value by 1-2 degrees. The distribution of cold is also affected by the density of the shelves and the operation of the system. No Frost.
Adjusting the freezing mode
The freezer requires lower temperatures for long-term storage of meat, fish and semi-finished products. The button Freezeris responsible for this function. The setting principle is similar to the refrigerator compartment: press the button, wait for the indicator to blink and select the desired value.
The temperature range in the freezer usually varies from -14°C to -23°C. The standard factory value is -19°C or -20°C. Reducing the temperature below -20°C only makes sense when using the quick freeze function or if you rarely open the door.
Higher temperatures (for example -14°C) are acceptable if the freezer is not completely full or you plan to store food for no more than a few weeks. However, for maximum preservation of the structure of the products, it is better to adhere to the recommended values.
☑️ Checking that the freezer is set correctly
It is worth remembering that a sudden change in settings causes the compressor to work with increased load. If you change the temperature, give the refrigerator a few hours to stabilize before drawing conclusions about its effectiveness.
Using express cooling functions
Refrigerators LG have special modes for quickly reducing the temperature. The Express Cool function (often indicated by a snowflake or the inscription Cool) cools the refrigerator compartment as intensively as possible. This is useful when you have just returned from the store with a lot of groceries.
Mode Express Freeze (icon with several snowflakes) is intended for the freezer. It turns on the compressor at full power to quickly freeze fresh food, preserving its vitamins and structure. In this mode, the temperature in the freezer drops to the lowest possible values.
It is important to know that these modes are not permanent. They usually work for a few hours (12 to 24 hours), after which the refrigerator automatically returns to the settings previously set by the user. You can forcefully turn them off by pressing the corresponding button again.
Why shouldn’t you keep the super-freezing mode permanently?
Constant operation at maximum power leads to accelerated wear of the compressor and a significant increase in electricity consumption. Use this mode only when necessary.
Using Express modes may also result in a temporary increase in noise levels, which is normal operating characteristics and not a malfunction.
Recommended temperature chart
Different types of food require different storage conditions. Below is a table that will help you navigate the settings depending on what you plan to store.
| Product type | Recommended zone | Optimal temperature | Shelf life (approximate) |
|---|---|---|---|
| Fresh meat, fish | Freezer | -18°C and below | up to 12 months |
| Dairy products | Refrigerator (middle) | +2°C ... +4°C | 3-7 days |
| Vegetables, fruits | Vegetable box (zero zone) | +4°C ... +6°C | up to 2 weeks |
| Ready meals | Refrigerator compartment (top shelves) | +3°C ... +5°C | 2-3 days |
| Semi-finished products | Freezer compartment | -18°C | 3-6 months |
Compliance with these recommendations allows you not only to preserve the taste and benefits of food, but also to optimize work inverter compressor. Overloading the chambers or storing warm food disrupts air circulation.
Deciphering indicators and error codes
Sometimes instead of temperature numbers, letter codes or flashing symbols appear on the display. This is a refrigerator self-diagnosis system that reports problems. The most common codes in models LG: Er FF, Er FS, Er CO.
Code Er FF indicates an error in the freezer fan motor. Often the problem is solved by defrosting the refrigerator during the day if the fan is frozen. The code Er CO indicates communication problems between the display and the main controller.
⚠️ Attention: If after a reboot (disconnect from the network for 10-15 minutes) the error code on the display does not disappear, you must contact an authorized service center. Repairing electronics yourself may void the warranty.
The temperature indicator may also flash. If both numbers flash simultaneously, this often means that the temperature inside the chambers has not yet reached the set value (for example, immediately after switching on or defrosting). In this case, no intervention is required, you just need to wait.
Frequently asked questions (FAQ)
Why does the LG refrigerator not keep the set temperature?
There may be several reasons: the door is not tightly closed, damage to the seal, clogging of the vents with food or temperature sensor malfunction. Also check whether the refrigerator is too close to the wall or heating devices.
What to do if the display does not respond to touches?
Child Lock may be activated. Find the button with a picture of a padlock or the word Lock and hold it for 3-5 seconds. If this does not help, try unplugging the refrigerator for 10 minutes to reboot the system.
Is it possible to set the temperature below -24°C?
In most household models LG the lower limit is limited to -23°C or -24°C by software. Setting lower values is not provided for by the design and will not give an additional effect, only increasing energy consumption.
How to reset the settings to factory settings?
There is usually no universal “Reset” button on the panel. To return to factory settings, simply disconnect the device from the power supply for 10-15 minutes. After turning on, the system will automatically return to standard values (usually +3°C for the refrigerator and -19°C for the freezer).