Correct setting of the temperature in two-chamber refrigerators Indesit is a key factor for long-term storage of food and saving energy. Owners often encounter a situation where food in the main chamber freezes slightly, but in the freezer, on the contrary, does not freeze to the desired consistency. This indicates incorrect calibration of the thermostat or sensors.
Modern models of the Italian brand are equipped with both mechanical and electronic control systems, which require an individual approach to configuration. Errors in adjustment can lead to accelerated wear of the compressor or damage to the contents. Let's look in detail at how to achieve an ideal balance of cold.
The principles of thermoregulation in different Indesit models
All refrigerators Indesit are divided into devices with a drip defrosting system and technology No Frost. In models with a drip system ("weeping wall"), the main temperature controller is usually located inside the refrigerator compartment. It controls the on and off cycle of the compressor based on the temperature of the evaporator. A critical error is setting the maximum value on the mechanical regulator in hot weather, which leads to continuous operation of the motor.
In systems No Frost control is often carried out through an electronic panel or more complex mechanical circuits with dampers. It is important to understand here that cold air is forced by a fan from the freezer into the refrigerator. Therefore, a setting in one compartment affects the other. Electronic modules allow you to set precise degrees, while the mechanics work on the “more-less” principle.
⚠️ Attention: In models with one compressor, changing the setting in the freezer automatically changes the temperature in the refrigerator compartment. Take this relationship into account when adjusting.
Mechanical thermostats, such as Tam-133 or K-59are often installed in budget lines. They do not show the exact temperature in degrees, but only regulate the duration of the compressor operation. Electronic sensors built into the more expensive series transmit data to a control board, which itself decides when to start cooling. Understanding the type of system you have is the first step to a successful setup.
Setting up a mechanical thermostat
If your refrigerator has a rotary knob inside the chamber, you are dealing with a mechanical control. The scale is usually graduated with numbers from 1 to 5 or 7, where 1 is the minimum cooling (heat), and the maximum number is the maximum cold. Never confuse the numbers with degrees Celsius. One does not mean +1°C, but means the minimum operating power.
For standard conditions (room temperature +20...+25°C), the optimal position of the knob is considered to be the average value, usually number 3. If you set the regulator to maximum in winter in an unheated room, the compressor may not start at all, since there will not be enough temperature difference for it to operate. In summer, the “maximum” position will force the motor to work without interruption, forming an ice crust on the rear wall.
The adjustment process takes time. After each turn of the knob, you must wait several hours for the temperature to stabilize. Sharp switching back and forth only disorients the system and can lead to damage to the thermostat valve.
Adjusting the electronic control panel
In models with a display on the door or inside the camera, adjustment is made using the push-button method. Here you set specific values. For the refrigerator compartment, the standard range is from +3 to +5 degrees Celsius. For the freezer, the optimal value is -18°C. Reducing the temperature below -20°C does not provide any storage benefit, but increases energy consumption by 10-15%.
Changing settings often requires pressing and holding a button with a thermometer or snowflake icon for 3-5 seconds. Once the setting mode is activated, the values begin to flash. Use the "+" and "-" buttons to set the desired value. Do not forget to confirm the choice, otherwise after 10 seconds the system will return to the previous values.
In some models Indesit with the function Smart Cooling or Eco Mode you can activate preset modes. Eco mode automatically maintains +5°C in the refrigerator and -18°C in the freezer, which is the most energy-efficient option for everyday use.
☑️ Checking the electronic settings
Optimal temperature conditions for products
Different products require different conditions storage, and knowing this will help you zone the shelves correctly, even if the overall temperature is set correctly. In two-chamber refrigerators Indesit the distribution of cold may be uneven, especially in models without a fan in the main chamber.
Below is a table of recommended temperatures for various product groups:
| Product group | Optimal temperature | Recommended place |
|---|---|---|
| Fresh meat, fish | 0...+2°C | Bottom shelf, freshness zone |
| Dairy products | +2...+4°C | Middle shelves, not at the back wall |
| Vegetables and fruits | +4...+6°C | Bottom drawers (vegetable containers) |
| Ready meals | +2...+5°C | Upper and middle shelves |
Please note that the door shelves are the warmest place in the refrigerator. Do not store perishable foods such as milk or opened deli meats there. The door is best used for sauces, drinks and foods with preservatives.
If you notice that the vegetables in the bottom drawer are freezing, try lowering the overall temperature or checking the air duct damper (if there is one). Conversely, if the milk quickly sours, the thermostat may need to be calibrated towards lower values.
The influence of external factors on the operation of the refrigerator
The temperature in the room directly affects the operation of the refrigeration unit. If the refrigerator Indesit is located near the radiator, in direct sunlight or in a niche with poor ventilation, it has to work more intensely. In such conditions, standard settings may not be able to maintain cold.
Frequently opening the door also makes its own adjustments. Every time you open the chamber, warm, moist air flows in. The compressor is forced to turn on more often to compensate for the loss of cold. During the summer, this can cause excess ice to form in the freezer even with the correct thermostat settings.
⚠️ Warning: Do not place hot or warm food in the refrigerator. This causes a sharp jump in temperature inside the chamber, causing the compressor to wear out and potentially leading to damage to neighboring products.
The load on the chambers also matters. An empty refrigerator loses cold faster when opened, but also cools faster. A full refrigerator holds the temperature better (food acts as a cold accumulator), but it takes longer to initially cool down and can interfere with air circulation in the models. No Frost.
Why can’t you place the refrigerator near a window?
Direct sunlight heats the case, causing the sensors to “think” that it’s warm inside. The compressor works constantly, which reduces its service life and increases electricity bills.
Diagnostics of problems with temperature conditions
How to understand that the settings are wrong or the thermostat is faulty? The first sign is the appearance of an ice “coat” on the back wall of the refrigerator compartment (in drip models) or on the food. This indicates that the temperature is too low, or the shutdown sensor does not respond in time.
The second sign is that the food in the freezer has become soft, and the ice cream has lost its shape. This indicates insufficient cooling. The reason may be not only incorrect adjustment of the handle, but also a freon leak or a fan malfunction. If, when the regulator is set to maximum, the cold does not increase during the day, repairs are probably required.
The third sign is the constant operation of the compressor without shutting down. If the temperature in the chamber is normal or even too low, the problem is sticking of the thermostat contacts. If the compressor is humming but there is no cold, this is a more serious breakdown of the circulation system.
Frequent errors during operation
One of the most common mistakes is an attempt to “speed up” freezing by setting the maximum mode for a long time. In refrigerators Indesit the "Super Freeze" mode (usually indicated by a snowflake with an asterisk or a button Super Freeze) must be turned on manually a couple of hours before loading a large batch of products and required turned off after they freeze. Forgetfulness in this matter leads to freezing of the channels and breakdown of the fan.
Another mistake is sealing the technological holes with products. There are cold air outlets at the back of the refrigerator compartment and on the freezer ceiling. If they are covered with pots or bags, the thermostat will not receive accurate data about the temperature in the chamber and will not turn off the compressor.
⚠️ Attention: Specifications and location of controls may vary slightly depending on the specific series and year of manufacture. Always check the product data sheet for your model.
Ignoring the cleanliness of the condenser (grid at the back or bottom) also affects the temperature. A dusty radiator does not give off heat well, cooling efficiency drops, and the refrigerator is forced to work longer to achieve the set parameters.
FAQ: Frequently asked questions
Why does ice freeze in the Indesit refrigerator, although the thermostat is set to one?
This may indicate a malfunction of the thermostat itself (it is “stuck” in the on position) or problems with the defrost system (heating element, timer, defrost sensor). Also check the tightness of the sealing rubber of the door - if it allows warm air to pass through, the moisture will constantly condense and freeze.
What temperature should be set in the summer and what in the winter?
In the summer, when the room is hot, it makes sense to set the regulator closer to the average values (3 out of 5), but not to the maximum, so as not to overload the motor. In winter, if the room is cool (below +16°C), the mechanical thermostat may not turn on the compressor. In such cases, old models required turning on a special winter mode (switch next to the thermostat), modern ones often work without it, but it is better not to place the refrigerator in an unheated room.
What does the flashing temperature indicator on the display mean?
Flashing usually indicates that the temperature in the chamber is higher than the established norm (alarm signal). This happens after the first turn on, after defrosting, or if you have kept the door open for a long time. If the indicator does not stop flashing after several hours of operation, check the tightness of the door and the thermostat settings.
Is it possible to replace the thermostat yourself if it is broken?
Theoretically, yes, if you have skills in working with electricians and tools. However, in refrigerators Indesit with the No Frost system, access to the sensors is often difficult and requires partial disassembly of the case. In addition, after replacement, precise calibration may be required, which is best entrusted to a specialist.