You were going to eat and found that it was abnormally warm inside the refrigerator, and it was too cold in the freezer? Or does the compressor run continuously, although yesterday it periodically became silent, making the stipulated stops? To learn about the failure of such an expensive device is not at all pleasant, is it?
But perhaps the problem will not be as global as it seemed at first glance and everything will be able to fix it yourself? We will help you find out why the refrigerator is not working, and the freezer is working, and we will show you how to fix the detected malfunction.
The article contains the most common causes of this kind of damage and discusses ways to correct them. Pictorial photographic materials and video recommendations from experts have been selected that will help troubleshoot various models of refrigerators.
The content of the article:
- Typical refrigerator unit
-
The reasons for the absence of cold, their elimination
- №1 - the simplest problems of the unit
- No. 2 - breakdowns in conducting systems
- №3 - problems with automation, electronics
- №4 - refrigerant leakage from the system
- №5 - failure of one of the compressors
- №6 - problems with sealing rubber
- №7 - mechanical and chemical damage
- No. 8 - oxidation and rust on the tubes
- Conclusions and useful video on the topic
Typical refrigerator unit
The compressor with its pressure pumps freon (cooling agent) into the condenser unit. There, the gaseous refrigerant condenses into a liquid fraction. This process is accompanied by the generation of heat, which is discharged through the back panel of the refrigerator.
The liquefied freon is fed into the system of thin tubes, after which it again takes on a gaseous state, and, once in the evaporation unit, boils. Evaporator and generates cold. Freon completes his circuit, returning to the compressor.
The resulting cold is primarily supplied to the freezer, and from it is already supplied to the refrigeration - forcibly or naturally.
This gives the freezer the opportunity to keep the cold temperature in itself even if some elements of the unit break.
In two-compressor refrigerators, one compressor serves the freezer, and the second - the refrigeration one. This is convenient because you can turn off any of the cameras at will and use only one
As soon as the absence of cold is noticed in the cooling compartment while the freezer is working properly, you should try to analyze the situation yourself.
User actions in case of suspected unit malfunction should be as follows:
- to establish, by means of observation, exactly which cold does not enter the cells;
- to clarify whether there are any heat sources near the refrigerator, for example, radiators, heaters, stoves, etc .;
- determine whether the rubber door seal is intact, whether there are any objects (food pieces, crumbs, etc.) that prevent the door from closing tightly.
It is also useful to inspect the back surface of the refrigerator for the presence of mechanical damage, and of all components and systems for the presence of rye and oxide.
The reasons for the absence of cold, their elimination
With proper operation of the freezer compartment, the causes of the failure of the refrigeration compartment can be very different.
As an ordinary temporary lack of electricity in the network, and a serious failure of the compressor, which almost always leads to a rather expensive replacement.
№1 - the simplest problems of the unit
Before starting to analyze the problem, make sure that the unit is correctly connected to electrical network, serviceability of wires, extension cords, sockets, and in a good supply of electricity in the room.
One of the culprits - loose door closure cameras by user oversight. There is a constant flow inside her warm air from the room.
Cold may be absent due to long period of operation of the refrigerator without scheduled defrosting. It is necessary to turn off the unit, carefully defrost it and after a day turn it on again.
To properly defrost a refrigerator, unplug it, open it wide, extract all its contents and wait until it is completely defrosted. To speed up this process in any way is prohibited. Melt water is collected in containers and disposed of.
There are situations when the freezer compartment is too thick with foodso that the free space is practically absent.
According to the rules of operation, this is not desirable, since there must still be space for air circulation.
When the products for freezing lie close to each other and are tightly tamped, all the power of the compressor goes to freeze its huge volume, and there is not enough cold for the rest of the compartments.
It is better to freeze products in small parts. When freezing is not recommended to fill the freezer "to failure" - this is fraught with compressor failure
Himself the refrigerated cabinet may not be properly installed - close to the wall, when heat cannot be fully removed, or close to heating devices - temperature detectors go astray.
They give the compressor signals to increase its power, but the cooling in the refrigerating chamber never comes, because it turns into heat along the way.
This malfunction mainly happens when the freezer box is installed inside the refrigerated box. Such a problem is eliminated with a full-fledged long-term defrosting of the entire unit, its installation away from heat sources, switching on in a standard, rather than enhanced mode.
It is forbidden to place the refrigerator near heat sources. This not only disables it, but also significantly increases the cash cost of electricity.
No. 2 - breakdowns in conducting systems
Capillary system. The culprit of the breakdown can be a blockage in the capillary system due to the ingress of foreign substances into the pipeline - moisture, oils, litter from an unusable filter, and others. Because of the blockage, the cooler does not reach the end - everything is in order with the freezing, there is even frost. And the products in the second chamber are not cooled - in this compartment is warm.
Signs of blockage of capillaries can be confused with the failure of a different nature - a malfunction of the evaporator. To accurately determine the cause of the problem, analyze the temperature of the discharge system in the section "condenser-compressor". If the heating is insignificant or partial, and the cooling is fast, then the cause is clogged capillaries.
There is an opportunity to correct the situation on their own - if the congestion is simple, then a light tapping on the pipeline will move the cork and the path for freon will be released.
When tapping does not help, you need to contact the master, who will professionally clean the tubes, install a new clean filter, replace the freon, remove unwanted air from the evaporator.
First, the temperature between the compressor and the condenser is measured, and then the decision is made to replace the capillary tube or to repair it.
Drainage system. Can also be clogged drainage system in refrigerators with weeping wall. If it doesn’t clean out for a long time, it can cause jams that do not completely pass the melt water, it accumulates at the bottom of the chamber and flows out.
Over time, the plastic cracks, and water flows into the gaps and oxidizes the metal parts of the device, corrosion corrodes them, and the refrigerant begins to flow out. Clean the drainage system with a regular pharmaceutical rubber pear. It is filled with hot water and poured into the channel with a sharp movement under the greatest pressure.
If necessary, this is repeated several times until the system is completely clean. Dirty merged water from a special tray after the procedure should be removed.
Refrigerators are available with a small brush in the drain hole. It is designed to regularly clean the entrance to the drainage system. The cleaner it is, the less likely it is to get a major blockage in the system.
Another tool for cleaning the drainage system can serve as a bicycle / car hand pump. If these devices are unavailable, or the blockage is very tight, long wire / wire will help.
The tip of the wire is bent into a loop and injected with twisting movements into the drain hole, while giving it back and forth. The duration of the procedure is about three minutes. You can combine two methods - cleaning the wire with spillage water.
You can check the result of efforts by testing the system. Some water is poured into the drainage tube and the rate of discharge is noticed in a natural way. If she does not leave, the cleaning procedure is repeated.
№3 - problems with automation, electronics
Temperature detector is installed in the refrigerating chamber. It may be damaged by food substances and liquids, or have a manufacturing defect.
When the sensor shows incorrect information, the compressor operates at high power and quickly fails during such operation. The solution is to replace the detector with a new serviceable module, which can only be carried out by a specialist.
Other built-in sensors and electronic control systems can also malfunction, and mechanical buttons break and become clogged. Such problems will be said unnaturally long breaks in the compressor when the electronics incorrectly shows the temperature of the air in the refrigerator compartment and sets the compressor wrong mode of operation.
It is recommended to inspect all electronic and automatic elements for serviceability, in case of their failure, to replace the unsuitable parts. It is better to contact a qualified master for this, unless the user himself has the necessary knowledge and skills in this area.
Each sensor has its own pin on the connector. Test their performance by measuring the resistance. Another sensor - room temperature - is located on the main electronic board
If the refrigeration unit is equipped with a single compressor and a NoFrost system, then the problem may be caused by a stuck in the chiller control.
When this happens in the maximum cold mode, the compressor cannot handle the high load. The solution will be valve replacement.
№4 - refrigerant leakage from the system
Freon can enter the room air through micro holes in the pipe system. These holes occur when improperly used.
For example, in a situation when the refrigerator was not defrosted for too long, a thick layer of ice grew on the tubes, and there was little time to defrost.
Often the user, trying to speed up the process of defrosting the unit, knocks the ice with hard objects. The result is mini damage.
The less freon will remain in the refrigeration unit, the less cold will be generated, and the compressor will receive additional heavy load and wear faster.
In this case, it is recommended that the system be sealed immediately. For this you need special equipment and knowledge.
№5 - failure of one of the compressors
In refrigeration devices equipped with two compressors, only one of them fails. Then the freezer compartment is working properly, and the fridge does not get its portion of the cold.
A sign of this is the start of the compressor and the instantaneous stopping or its complete inoperability.
The compressor may also be shut down due to long or incorrect operation, wear, due to manufacturing faults, due to its low quality and low price.
In almost all cases, this problem is solved by replacing the faulty module.
№6 - problems with sealing rubber
Rubber seal on the door of the refrigeration compartment may be damaged, peeled off, dried out. The drying of the rubber element is mainly due to the long downtime of the unit in a state of inactivity.
Due to the failure of the seal, the warm air from the room gets an opportunity to penetrate the chamber and increase its internal temperature. The compressor increases its power, pumping more cold, but this does not save the situation, but only wears it much.
If the gum is damaged, the best solution would be to replace the seal with a good new one. To do this, remove the door from the hinges, clean its contour from the unsuitable gasket, and mount a new
For dried rubber pads, it is possible to try to restore the lost elasticity by treating with boiling water:
- it is removed;
- soaked in boiling water;
- then set in place.
If the gap was formed in a single copy and small, you can simply glue the seal in this place with silicone, instant glue. As a temporary option before purchasing a new gasket, you can fill the gaps with cardboard inserts.
Sometimes the situation is corrected by the hinge of the door in the opposite direction, but here you need to take into account the location of the refrigerator in the room, because to open the door must be free space.
In the folds of the sealing gum accumulates debris, mold is raised. Over time, the rubber in this place becomes thinner, and cracks appear, through which unwanted warm air passes. This is recommended to be prevented by regular careful cleaning.
It happens that the door does not close tightly because of problems with the compactor, but because of the weakness of its fastening, when the fasteners are loosened. Then you need to tighten the hinges, screws, and the problem will be eliminated.
№7 - mechanical and chemical damage
Mechanical damage may appear on the cabinet of the refrigerator - cracks, holes in the back wall. Usually they are formed after improper transportation, operation.
This is fraught with the penetration of warm air from the room into the refrigerator. The temperature inside can not reach the desired level, the compressor works hard without stopping, but this does not eliminate the problem.
If the hole is small, you can try to fix it yourself. To do this, the refrigerator is turned off, completely thawed and dried, the damaged area is carefully cut off, filled with new insulation or foam with its further covering with foil.
Can crack the walls of the housing and from the inside of the unit. Almost always the user is responsible for this - when defrosting, or dense packing of products, walls can be pierced with hard, sharp objects.
The zone with the threat of cracking is located near all fasteners - too much tension of the nuts can later lead to breaks in these places. Repairing gaps in the same way - using sealant seal.
No. 8 - oxidation and rust on the tubes
Before you diagnose the oxidation of the metal tubes of the refrigerator, you should know that the layering of the green color to corrosion have nothing to do. This is a consequence of the interaction of the soldering flux with oxygen in the room. Such a raid is prohibited to clean.
Seeing rust stains on the tubes, you can try them very carefully cleaned and painted with paint - normal or automotive in cans
The danger of corrosion of the tubes is that over time it completely corrodes their walls, the refrigerant begins to leak into the air through the openings, and the compressor runs at maximum capacity.
Contrary to this, the cold does not enter the refrigerating chamber, because it is only enough to serve the freezer. If time does not take action and not get rid of traces of corrosion, the compressor will fail, and then the repair of the unit will be expensive.
Anti-rust treatment is effective against rust stains, which can be found in special stores, or with ordinary household vinegar (9%). Before processing, it is recommended to test them in small quantities in one small area.
If there are no surprises, the agent is applied to all rusted areas, left for some time for the surface to react with air, polished with a soft cloth.
Conclusions and useful video on the topic
A selection of stories on the definition of diverse problems with refrigerators of different brands and the process of troubleshooting.
Video tips on how to properly troubleshoot: before disassembling components, the unit must be completely unfrozen without the use of force. The video demonstrates how a correctly working evaporator of the know-frost system should look like:
Finding the reasons for the lack of cold in the refrigeration compartment of the Atlant unit while the freezer is running. An example of the diagnosis of the circuit in the compressor.
Video tool for replacing the compressor on the serviceable using special tools:
Indesite refrigerator: finding and eliminating leaks in the heating circuit in the video:
It must be remembered that the proper operation and timely quality service of the refrigeration unit will keep it working for many years. If one of the compartments of the refrigerator still stopped getting cold, then it remains to find out the underlying reason for the problem that caused this breakdown. Knowing her, you can independently try to fix everything on your own..
