The refrigerator does not freeze: the causes, the repair of refrigerators at home

Modern household appliances play a huge role in people's lives. Refrigeration systems, gas, electric stoves, microwave ovens, washing machines, small electrical appliances can not only simplify lives, but also fail, thereby putting the hosts in an unpleasant situation. Knowing the reasons for the most frequent breakdowns and the rules for the operation of devices, you can avoid most faults. It often happens that the refrigerator does not freeze, the reasons can be different. Most likely, the tightness of the circuits of the cooling system is broken. In most cases, the fault lies with the owner, who neglects the norms of exploitation.

The most frequent causes of breakage of the refrigerator

These include:

1. The manufacturer used substandard components in the production process.
2. The user violated the rules of operation of the household appliance.

When the refrigerator does not freeze, the reasons for the breakdown may be low-quality components, which are more common in domestic or Chinese manufacturers, but the price of such devices is much lower. In this case, it is not possible to repair the cooling system on its own.

The refrigerator does not freeze: the reasons for improper operation

According to the rules of use, the cooling devices must undergo periodic defrosting. The entire process in modern refrigerators with a dropping system takes three to four hours and, of course, not all have the patience for this. People often try to scrape ice, including sharp objects.

Although the passport is not strictly prohibited. Such actions are fraught with damage to the integrity of the cooling system. A small enough hole - and all the integrity of the chamber will be broken, which will lead to a leak of freon.

Clogged capillary tube

This is another common cause when the refrigerator freezes. A capillary tube (capillary tube) is the most important component in the device system of the device, which serves to transfer freon to the cooling circuit. During operation, this tube may become clogged.

Can I clean the capillary tube?

Attempts to eliminate the blockage themselves are fraught with the appearance of scratches, and the slightest damage is the guarantee of breakage of the capillary pipeline. Such a malfunction can not be eliminated without calling the master. He has a special hydraulic tool with which he squeezes the blockage. Also the master can pump nitrogen into the pipe in order to eliminate clog, but such a method is unsafe. If possible, with the consent of the client, he changes the pipe and pumps freon.

Compressor failed

Masters call it the heart of the refrigeration unit, thanks to its work on the circuit chasing freon. In most modern refrigerators, this part is non-separable, respectively, in case of breakage, it must be completely replaced.

If the refrigerator does not freeze, the reasons for compressor failure may be different. The main thing is that the device worked without interruption for a very long time and was simply burned out. This can happen in the case when hot food is placed in the refrigerator, the thermostat is activated and does not allow the compressor to stop until the set temperature is reached in the chamber. Another reason is that a sufficient layer of ice has formed in the chamber, the gas pressure in the circuit is insufficient, the compressor will constantly operate.

The temperature regulator has failed

This is the device responsible for the temperature in the chambers. If the food in the refrigerator is not frozen, the usual droplets of ice do not appear on the walls, and the compressor is working, then it is in the thermostat. It can not be changed at home. You can buy a temperature regulator for the refrigerator yourself, but only a qualified technician should replace it.

This is an inexpensive part, but installing it requires special knowledge to properly connect the wires, otherwise the new device can immediately fail. In addition, the thermostat for the refrigerator must be selected not only by type, but also by the brand of the unit, so if there is no confidence in the correct choice, it is better to entrust the master.

In two-compressor devices, it also happens that the freezer does not freeze, and the refrigerator works properly, the cause of this may also be a breakdown of the thermostat.

How to fix the refrigerator at home?

Before starting to repair, it is necessary to familiarize yourself with the technical passport of the device and the principle of its operation. The main thing in the refrigerator is a compressor, which forces freon to move along the contour. Cold is formed on the basis of three components, connected by a pipeline. The system operates a refrigerant gas that cools the radiator system and transforms it into a liquid state. Then the gas in this form is returned to the evaporator.

After the principle of operation of the device is understood, it is possible to start searching for the source of the malfunction. Of course, if the repair is associated with the replacement of complex parts, without the help of a master you can not do, if the breakdown in the field of electricians, you can try to fix the situation yourself.

When the refrigerator does not freeze, you can identify the reasons for an external examination. First of all, you need to purchase special tools (universal tester and indicator screwdriver) and determine the quality of the mains voltage. The normal figure is about 220 V, small deviations are permissible. Next, inspect the cord and the mains plug, whether there are kinks or damage (for example, from the teeth of pets).

If the cause of the malfunction is this, then repairing the refrigerators at home will not be a big problem. Change the cord completely or remove the damaged area and reconnect the wires, isolating them, you can do it yourself, without the help of a master.

Another common reason why the refrigerator broke down is the failure of the relay responsible for starting the refrigerator. It is located next to the compressor. During inspection, disconnect the flexible wires and check the control circuits. It's pretty easy. To do this, simply close the two wires from the relay and establish whether there is a contact between the wires and the plug of the inclusion. If there is a contact, the cord and the temperature sensor are OK.

Sometimes the reason that a refrigerator breaks down can be a breakdown of a small but important detail. For example, a temperature sensor. To check the probability of such a malfunction, you must remove it and disconnect the wiring. Using a tester, check each wire. If there is a short circuit, replace the sensor. As mentioned above, his replacement is best entrusted to a professional, especially if it is a modern refrigerator.

If the defrosting system on the Soviet device fails - you can install a jumper. It is made with a metal bug.

The matter is that the device will work without the control of a trip and it should be done manually. If you carry out such repair of refrigerators at home, you need to remember that this can lead to a rapid breakdown of the compressor, which in modern devices does not normally work more than 10 minutes per hour. And most importantly - the temperature sensor in the event of a breakdown must still be replaced.

Conclusion

If, after a visual inspection, the cause of the failure of the refrigerator is not established - it is necessary to call the master or contact the service center. The cooling system is a rather fragile structure, and one wrong move can exacerbate the breakdown, which means it will increase the repair price. When buying a refrigerator, it is necessary to familiarize yourself with the technical passport and the operating rules. In no case can the walls of the refrigerator be scraped during defrosting and put hot products in it.