Causes and relationship of failures of household refrigerators
We are so accustomed to refrigerators in our life that we cannot even imagine how we did without them before. The refrigerator is an essential attribute of household appliances in almost every home. When it breaks, it creates a lot of unpleasant moments and spoils the mood of the owner.
On the market there are many companies that produce refrigerators, describe them all is not necessary. Take one American brand Whirlpool, which is very popular in Ukraine, particularly in Odessa. We study on its example the main causes of the breakdown of these devices. We will not go into how good brand models are from a consumer point of view. Here the opinions of the owners diverge. But, at least, unlike many other brands, the repair of which is not advisable, owners of Whirlpool bring refrigerators to service centers in the hope of extending the life of their property.
And these hopes are not unreasonable.
Classification of failures
The most common breakdowns:
starting relay does not work;
thermostat of the refrigerating chamber is faulty;
there is no gas in the freezing system;
The electronics control module has failed.
The relationship of equipment failures
It should be noted that some faults may cause others, the elimination of which is even more expensive. For example, due to the absence of gas in the system (which in itself already means the inability to cool and freeze) a compressor may burn out. After all, it works non-stop, because automatics does not give him a signal to "rest" until the temperature in the cells is reduced to the required values.
Therefore, in case you hear the sound of a running compressor but the cooling of the air does not occur, you should immediately call the master to the house. He will find a gas leak and fix the problem.
What causes power surges in the power grid
Almost all Whirlpool refrigerators lack the electrical grid protection system against voltage surges. At the slightest leap that often happens in the realities of our life, the regulating equipment fails.Often, this results in a complete replacement of the electronic control system. To distinguish this failure from a compressor malfunction, listen to the sound of its operation: damage is indicated either by the absence of a working sound, or by frequently turning on the refrigerator for a short time and unwanted noise when the machine is operating.
Malfunctions of the relay and control modules
Another case where you do not hear the sound of a running compressor. It simply does not turn on due to a faulty relay.
In refrigerators with a dry freezing system or working under the control of electronics, the problem may be related to the breakdown of the control module of the device. This is a fairly frequent malfunction. You can determine it by constant clicks and idle compressor. And such repair of refrigerators at home is quite real. After all, you only need to replace a small block.
It is noted relatively rarely, but, unfortunately, can lead to significant damage. A faulty thermostat can generally lead to combustion not only of the compressor, but also of electronics, since the refrigerator is constantly working and can overheat, which is fraught with burning of the contacts or the windings of the compressor motor.
The main malfunctions of refrigerators equipped with a drip cooling system:
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