Most common failures in refrigerators and how to identify them

 

How to notice a gas leak or, on the contrary, excess refrigerant? How to level your refrigerator? What to do if the cabin lamp is damaged? We will tell you, along with other technical questions for the arrangement of refrigerators.

Learn to identify the common failures that your refrigerator can present and how to detect them without having to call a technician.

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Important: To detect some of these faults, you may need to have some specialized equipment and some basic technical knowledge. Nothing to worry about, here we tell you everything for the arrangement of refrigerators.

Gas leak

This is one of the most common situations in terms of malfunctions in refrigerators. And it turns out that most refrigerators on the market need a gas to cool what is stored in the cabin. When this gas is released from the refrigeration complex, we are talking about a gas leak, which results in poor performance in the machine when it comes to cooling.

There are two ways to detect a gas leak in a refrigerator:

1. Measure the compressor amperage on the back of the refrigerator and compare it to the normal levels indicated on the reference label on all refrigerators.

2. Measure the gas pressure levels inside the refrigeration system with a manometer. If they are below normal, there is a gas leak.

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damaged compressor

The compressor of a refrigerator is something like the heart of refrigeration. This piece is in charge of circulating the refrigerant gas inside the refrigerator and with this, cooling what is in the kitchen

How to identify a compressor failure:

Although a compressor malfunction can present itself in a number of ways, one of the most obvious is when it won't turn on at all. When this happens it means that the cables inside the piece are broken and the electric current does not circulate. To corroborate this suspicion, measure the amperage of the compressor with a multimeter. If there is no reaction, it is because there is no flow of electricity.

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Refrigerator turns on and off

If it has happened to you that your refrigerator turns on its refrigeration system and after a few minutes it turns off, without complying with the usual cooling cycles, it must be that the condenser needs maintenance. This part is in charge of converting the refrigerant gas into liquid and when it is full of dirt, it prevents the condenser from expelling the heat, overloading the compressor, which shuts down as a self-protection measure.

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How to know if this is the case with your fridge:

Although there may be other reasons why your refrigerator turns on and off without performing its functions correctly, such as problems with the electrical source, if the case of your refrigerator is due to dirt in the condenser, you will notice it as long as you see the back of the refrigerator and notice that the grate that snakes on the back of the machine is full of dust. Then you only have to clean the part and the operation of your refrigerator will return to normal.

Excess coolant

Just as the refrigerant leak causes problems for the operation of your refrigerator, the excess of this gas also. When this happens, the refrigeration system of your fridge is overloaded, affecting the performance of the compressor, which is forced to work more, causing greater electricity consumption.

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This is how excess refrigerant is detected:

To identify an overload of the refrigerant gas in your refrigerator, a manometer is necessary to measure the pressure of the gas inside the refrigeration complex. If the pressure levels are higher than what is considered normal (between 6 to 12 psi) we will be talking about an excess of refrigerant.

The refrigerator never turns off

Sometimes it happens that the refrigerator does not turn off and proceeds to cool and cool without intervals of inactivity, causing everything stored in the cabin to freeze. Usually this is due to failures in the refrigerator's thermostat, which is responsible for regulating the temperature inside the refrigerator.

How to identify a faulty thermostat:

With a multimeter in Ohms mode, to measure the electrical resistance generated by the thermostat, check the electrical continuity in the part's connectors. If the multimeter does not show any signal, you must replace the thermostat, as it is damaged.

opening in the door

This is a common denominator in all refrigerators after a few years of use: not allowing a good seal. This causes ambient air to enter the refrigerator cabinet, heating up the storage area and making the refrigerator work harder, which ultimately results in higher energy consumption and ultimately irreparable damage to the refrigerator.

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How to find an opening in the door:

Pay close attention when you close your fridge that it is completely sealed. Rule out that it is not something that you have stored, which prevents it from closing completely. If you see that it is not anything refrigerated that prevents the closure, go on to verify that the gasket on the door. In general, after a few years of use, this part of the door can begin to fail, having holes, cracks or unevenness that cause the door to open.

broken lamp

This has happened to several of us. It also takes us some time to notice it. One day we open the refrigerator and see that something has changed without knowing exactly what it is. So we close it and continue with our lives, until after two weeks we say: THE LIGHT BULB IN THE FRIDGE DOESN'T WORK!

Reasons why the refrigerator lamp may stop working:

1. The light bulb in the cabin may be worn out. Then you just have to replace it with a new one that does work.

2. Another circumstance to which the refrigerator lamp may be due is that the cables that feed the light bulb in the cabin are damaged. Then the most convenient thing is for a technician to review and repair this fault.

3. Finally, if the cab lighting malfunction is not due to the above two reasons, it may be the door switch that is faulty. With a multimeter you can do this check.

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refrigerator unevenness

It happens that you are lying in your room, you turn off the television, everything is silent and suddenly you begin to hear sounds from beyond the grave, coming from the kitchen. Calm. They are not spirits from the afterlife or ghosts. It may simply be that one of the lower supports of your fridge is uneven to the rest.

How to tell if your fridge is out of level:

The daily use of your refrigerator, when opening and closing the door can tell you if the refrigerator is uneven. If when entering or removing something from your refrigerator, it rocks, it is most likely that it is uneven. To solve it, you must go to the supports of the refrigerator and screw or unscrew them so that it is level.