A sudden failure of kitchen appliances always becomes an unpleasant surprise, especially when it comes to storing food. Refrigerators Indesit have proven themselves to be reliable units, but even they are not immune from breakdowns. Primary diagnostics allows you to understand the scale of the problem: whether complex repairs with replacement of components are required or simple adjustment is sufficient.
Before calling a technician, it is necessary to carry out a basic check that will help save time and money. Performance The cooling system depends on many factors: from the integrity of the seal to the serviceability of the compressor. In this article, we will analyze a step-by-step algorithm of actions that will allow you to independently identify the cause of the malfunction.
Initial visual inspection and power check
Any diagnosis begins with checking trivial things that are often overlooked. Make sure that the plug is firmly inserted into the outlet and that the cord itself is not damaged. The indicator light on the control panel should light up, signaling the presence of voltage in the network.
If the light does not light up, try connecting another electrical appliance, for example, a hair dryer or lamp, to the same outlet. This will eliminate problems with electrical wiring in the house. Also inspect the back wall of the unit: there should be no traces of melting or mechanical damage.
⚠️ Attention: If you find blackened wiring or a burning smell, immediately unplug the device. Further operation may result in a short circuit.
Pay special attention to the condition of the door. A loose fit leads to constant operation of the motor, which can be mistaken for a breakdown. Check if there are any foreign objects or products in the way of the door.
Diagnostics of the compressor operation
The heart of any refrigerator is the compressor, and it is its testing that often gives the answer to the question of the operability of the system. In models Indesit with one motor, it should turn on periodically, ensuring the circulation of the refrigerant. Place your hand on the rear grille or side walls - they should be warm if the unit is operating normally.
A characteristic hum and slight vibration of the housing indicate that engine it is started and functioning. If there is absolute silence, but it’s warm inside, this is a sign of a serious malfunction. In two-compressor models, the sounds may be quieter, but the rhythm of operation is maintained.
- 🔊 Normal sound: even humming, periodic clicking of the relay.
- 🔇 Silence: possible open circuit, burnt out motor or no power supply.
- 🔨 Knocking or clanging: mechanical damage to the internal parts of the compressor.
There is a simple test: turn on the refrigerator and listen. If after 10-15 seconds a click is heard, but the engine does not start, and then another click follows after a couple of minutes, the protection system blocks the start. This often indicates the start relay or the compressor itself.
Checking the thermostat and the No Frost system
The thermostat is responsible for maintaining the set temperature inside the chambers. If the refrigerator Indesit works continuously without stopping or, conversely, does not turn on at all, the problem may be in the sensor. In mechanical models, the regulator is a knob with numbers; in electronic models, it is a touch panel.
To check a mechanical thermostat, you can try to carefully turn the knob counterclockwise until it clicks. If after this the motor goes silent, it means the sensor is responding. In systems No Frost the timer and heating element are responsible for defrosting the evaporator, failure of which leads to ice fouling and cooling stops.
| Symptom | Possible cause | Check method |
|---|---|---|
| Refrigerator does not turn off | Thermostat is faulty | Contact testing with a tester |
| Ice on the back wall | Defrost system failure | Visual inspection evaporator |
| The engine does not start | Open sensor circuit | Replace with a known good one |
| The temperature does not hold | Freon leak | Checking the pressure in the circuit |
It is important to understand that the electronics of the models Indesit are sensitive to voltage surges. If the thermostat is working, but the commands are not executed, the control module may have failed.
How to check the thermostat with a multimeter?
To check, remove the thermostat and put the multimeter in dial mode. At room temperature the contacts should ring (make a sound). If you place the sensor in the freezer for 15 minutes, the circuit should break. The absence of changes indicates a malfunction of the part.
Analysis of tightness and circuit condition
One of the most common causes of loss of performance is a violation of the tightness of the system. If refrigerant (freon) evaporates through a microcrack, cooling will stop, even if the compressor hums properly. Check the tubes for oily stains - these are the places where leaks most often occur.
Pay attention to the condenser grille at the back. In working condition, it should warm up evenly over the entire area. If you feel a cold area in the middle of the hot grate, this is a sure sign of a blockage or leak.
⚠️ Attention: Self-search for leaks using soapy water is only possible when the compressor is turned off. Turning on the device with an open circuit will draw in moisture and damage the motor.
Also check the condition of the door seal. The elastic band should fit snugly around the entire perimeter of the body. Do a test with a sheet of paper: hold it in the door and try to pull it out. If the sheet is removed without resistance, the seal is broken and the cold leaves.
Testing defrosting (for No Frost systems)
In refrigerators with the system No Frost the condition of the defrost system is critically important. If the evaporator in the freezer is covered with a thick layer of ice (“coat”), the fan stops moving air, and the main chamber becomes warm. This is often confused with a compressor failure.
To test this hypothesis, completely defrost the unit for 24 hours, leaving the doors open. After turning on, the refrigerator should begin to gain temperature. If after a few hours the situation repeats, one of the elements of the defrost circuit is faulty: heating element, defrost sensor or timer.
- ❄️ Symptom of the problem: ice freezes only in one corner or on one shelf.
- 💨 Checking the fan: when the freezer door is open, an operating noise should be heard impellers.
- 💧 Drainage: check that the hole for draining melt water is not clogged.
Do not ignore the sound signals. Some models Indesit report problems with defrosting by intermittent squeaking or blinking indicators.
☑️ Quick diagnostic checklist
When you need to call a technician
There are situations when an independent check of the functionality of the refrigerator Indesit ends with an understanding of the need for professional intervention. If you are convinced that there is power, the thermostat is working and there is no ice, but there is no cold, the problem lies inside the sealed circuit.
Replacing a compressor, searching for micro-leaks or restoring electronics require special tools and skills. An attempt to solder the tubes yourself or replace the motor without evacuation of the system is doomed to failure.
A critical sign of a malfunction that cannot be repaired at home is a change in the color and smell of the oil in the compressor (it turns black and smells burnt), which indicates an interturn short circuit of the windings.
Do not delay contacting service if you notice that the unit is running “weary.” Long-term operation of a faulty appliance leads to complete failure of expensive components, making repairs economically unfeasible.
Why does the Indesit refrigerator hum, but not Is it getting cold?
Most often this indicates a refrigerant leak or a clogged capillary tube. The compressor tries to pump gas, but due to its absence or obstruction of circulation, cooling does not occur. It is also possible that the motor itself may fail, humming but not starting (jammed).
How can you tell if the thermostat has burned out?
If the refrigerator does not turn on at all, although the power indicator is on, try closing the thermostat contacts (for experienced users). If the motor starts, the thermostat is faulty. In electronic models, this will be indicated by an error code on the display.
Is it possible to operate the refrigerator if it is noisy?
Short-term noise during startup is acceptable. However, a constant strong hum, rattling or knocking indicates improper installation (the legs are not adjusted), the tubes are touching the housing, or the compressor bearings are worn out. Long-term operation in this mode reduces the service life of the unit.
What to do if the back wall is covered with ice?
In models with a “crying” evaporator, a thin crust of ice is normal. If a snow coat forms, check whether the temperature is at a minimum and whether the door closes tightly. In No Frost systems there should be no ice at all.