The situation when you open the door of your loved one Indesit refrigerator, and it’s warm inside, can take you by surprise at any moment. Products begin to deteriorate, an unpleasant odor appears, and panic arises about expensive repairs. However, the lack of cold does not always mean a fatal breakdown of the unit.
Often the problem lies in trivial things that can be fixed independently in a few minutes without calling a technician. In other cases, there is a serious problem compressor or a refrigerant leak that requires professional attention. Understanding the operating principles of your model Indesit will help you quickly navigate the situation.
In this article we will analyze in detail all possible causes, from simple operating errors to complex technical failures. You will learn to carry out primary diagnostics to understand whether it is possible to restore the operation of the equipment on your own or is it time to call a service center.
Primary diagnostics: simple reasons for the lack of cold
Before sounding the alarm and looking for service contacts, it is necessary to exclude basic factors. Very often, users encounter the problem The refrigerator does not freeze, although technically it is fully functional. Carefully check the settings and operating conditions.
One of the most common reasons is incorrect installation of the temperature controller. Perhaps one of the household members accidentally moved the wheel to the minimum position or turned off the intensive freezing mode. You should also make sure that the unit is not standing close to a wall or furniture.
- 🔌 Check whether the plug is tightly inserted into the socket and whether there is voltage in the network.
- ❄️ Make sure that the temperature regulator is set to medium or high position.
- 🚪 Inspect the rubber seals on doors - they should fit tightly.
- 🌡️ Assess the temperature in the room - if the room is too hot, the equipment may not cope.
Pay attention to the location of the equipment. If Indesit stands next to a radiator, oven or in direct sunlight, its operating efficiency drops sharply. Heat transfer is disrupted, and the compressor works for wear and tear, not achieving the required performance.
Malfunctions of the thermostat and temperature sensors
If simple checks do not produce results, you should pay attention to the temperature control system. In older models Indesit a mechanical thermostat is responsible for this, and in modern ones - electronic sensors and a control module.
A mechanical thermostat is a device with a bellows filled with freon, which responds to changes in temperature in the chamber. If this element breaks down, the compressor simply does not receive a signal to turn on. In electronic models, they are responsible for data collection thermal sensorswhich may fail or the contacts of their connection may oxidize.
⚠️ Attention: If you hear a click of the thermostat, but the compressor does not start, the problem may not be in the regulator itself, but in the starting relay or motor winding.
To diagnose a mechanical thermostat, it is often necessary to test it with a multimeter. In electronics, an error is often displayed on the display or indicated by flashing lights. A malfunction of the evaporator sensor is one of the key reasons why the refrigerator does not gain temperature..
How to check the thermostat with a multimeter?
To check, you need to remove the thermostat, put the multimeter in dial mode and connect the probes to the contacts. When the temperature of the bellows changes (if it is immersed in cold water), the contacts should close and open, making a characteristic click and changing the readings on the device screen.
Problems with the compressor and start relay
The heart of any refrigerator is the compressor. If you hear that the motor is humming, trying to start, but after a few seconds there is a click and it goes silent - most likely the problem is in the starting relay or the motor itself.
Start relay responsible for starting the motor winding. Over time, the contacts in it burn out, or the internal mechanical part breaks. Replacing this part is a relatively simple and inexpensive procedure that can be performed independently if you have basic skills.
A more serious situation is an interturn short circuit in the compressor windings or its jamming. In this case, the engine may become very hot, hum, or be silent. If compressor is out of order, its replacement requires calling a technician, since it will require pumping out freon, soldering tubes and vacuuming the system.
☑️ Compressor diagnostics
It is important to understand that a compressor that is running but not cooling may indicate a loss of performance. The piston group could be worn out, and the engine simply “drives” freon in a circle, without creating the necessary pressure for cooling cycle.
Freon leakage and clogged capillary system
One of the most insidious reasons why Indesit stopped cooling is a refrigerant (freon) leak. This can occur due to corrosion of the evaporator tubes, mechanical damage during defrosting, or factory soldering defects.
Leakage symptoms often appear gradually. First, the refrigerator begins to freeze worse, then the work and rest cycles increase. Ultimately, the compressor works almost without stopping, but there is no cold. Freon is the working fluid, without which heat exchange is impossible.
| Symptom | Probable cause | Characteristic sign |
|---|---|---|
| The compressor runs constantly | Freon leakage | The condenser tubes are cold or warm, not hot |
| The refrigerator turns on for 10-20 sec | Capillary clogged | Gurgling is heard, then silence, the condenser is hot |
| Ice only at the back wall | Partial leakage | In the main chamber warm, there is ice in the freezer |
| The compressor is hot, but silent | Motor jammed | Strong hum before stopping |
Clogged capillary tube is the second common problem in this category. An ice or oil plug may form in the cooling system, blocking gas circulation. To eliminate it, you need to purge the system with nitrogen and replace the filter-drier.
⚠️ Attention: Self-filling the refrigerator with freon without evacuating the system and replacing the filter-drier will lead to repeated failure in a short time. Moisture in the system is fatal to the compressor.
Malfunctions of the No Frost system
If your Indesit is equipped with a system No Frost, then the lack of cold may be caused by problems with defrosting the evaporator. In such models, air circulates through a hidden evaporator, and if it becomes overgrown with ice, the cold stops flowing into the chambers.
A heating element (heating element), defrost timer or thermostat is responsible for the defrosting process. If the heating element burns out, ice freezes on the evaporator in a thick layer, blocking the air channels. The fan may hum, but the air does not pass through the ice porridge.
- 🧊 Check if there is ice on the back wall inside the plastic box (disassembly is required).
- 🔥 Ring the defrost heating element for an open circuit.
- ⏱️ Check the serviceability of the timer or electronic defrost control module.
- 🌬️ Make sure the fan is spinning and not blocked by ice.
The defrost sensor often fails, which “does not see” that the evaporator is covered with ice and does not give the command to turn on the heater. As a result, the unit operates in eternal freezing mode until the ice completely blocks the system.
The influence of the defrosting mode and user errors
Sometimes the reason for this The refrigerator does not coollies in the actions of the owner himself. Improper defrosting is the main enemy of technology. Using sharp objects to chip ice often leads to damage to the evaporator.
If you pierced the wall and heard a hissing sound, depressurization has occurred. The freon came out, and air and moisture got into the system. In this case, repairs are only possible in a workshop, since the evaporator will need to be re-cooked or a new one installed.
It is also worth mentioning that the chambers are overloaded with products. If you put a lot of warm food into the refrigerator when you just turned it on, it may not be able to cool down for a long time. The compressor will work at its maximum capacity.
⚠️ Attention: Never use a hair dryer or hot water to speed up defrosting. A sudden temperature change can deform plastic parts and damage the soldering of tubes, which will lead to expensive repairs.
When you need to call a specialist: complex cases
There are a number of situations when self-repair is not only ineffective, but also dangerous. If diagnostics indicate a problem with a sealed circuit (leakage, blockage) or an electronics malfunction (the control module has burned out), it is better to contact professionals.
Specialists have the necessary equipment: leak detectors, vacuum pumps, refueling stations. They can accurately determine the location of the leak, even if it is microscopic, and efficiently solder the connection.
In addition, the technician will be able to conduct a complete diagnosis of the electrical circuit, checking the current consumption of the compressor and the operation of all protective devices. This will avoid a situation where, after replacing one part, another burns out.
Is it worth repairing an old Indesit?
Repair is advisable if the refrigerator is less than 7-10 years old and the cost of spare parts does not exceed 50% of the cost of a new similar unit. With older models, it is often cheaper to buy new equipment.
Prevention and extension of service life
In order Indesit to serve for a long time and enjoy the cold, you must follow simple operating rules. Regular but correct defrosting (once a year for No Frost, as needed for drip defrosting) prolongs the life of the compressor.
Keep the condenser grill at the back of the refrigerator clean. Dust and animal hair, accumulating there, impair heat transfer, forcing the motor to work longer and more intensely. This area should be vacuumed at least once every six months.
Do not place hot food in the chamber and make sure that food does not block the ventilation holes (in systems with air circulation). Following these simple recommendations will help you avoid most of the problems described above.
Why is the refrigerator humming, but not cooling?
If you hear a hum, but there is no cold, this often indicates that the compressor is working, but freon is not circulating. Causes: gas leak, clogged capillary tube or loss of compressor performance (wear of valves). It is also possible that there is a break in the fan circuit in No Frost systems.
How long does it take for the refrigerator to get cold after defrosting?
Usually the process of reaching operating mode takes from 2 to 6 hours, depending on the volume of the chambers, the temperature in the room and the number of loaded products. If after 6-8 hours of operation at maximum cooling power there is no cold, this is a malfunction.
Is it possible to replace the thermostat on an Indesit refrigerator yourself?
Yes, if you have basic skills in working with electricity and tools. It is necessary to de-energize the device, remove the old regulator, install a new one with similar markings and connect the wires correctly. However, in electronic models, replacement may require flashing or adjusting the module.
What to do if ice freezes in the Indesit refrigerator?
Abundant freezing of ice (“coat”) indicates a violation of the door seal (wear of the seal), a malfunction of the thermostat (does not turn off the compressor) or problems with the defrost system in models No Frost. First of all, check the tightness of the door.