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1.The refrigerator power cord is damaged.
The refrigeration under the refrigerator is not cold, in this case, we need to check whether it is a problem with the power supply, the general practice is to open the door and observe whether the lights in the box are lit. See if the wires are broken or not, than.
2.Lack of refrigerant.
Most of the capillary outlets of double-door refrigerators are advanced to the freezer to start the circulation, that is to say, the refrigeration starts in the freezer and ends in the refrigerator, if the refrigerant is lacking, it is first reflected in the refrigeration room and does not refrigerate.
3.Frost forms in the evaporator.
When the evaporator frost cannot be melted off, the air duct mouth is blocked, mainly because the air-cooled refrigerator usually has only one evaporator, and the cooling capacity cannot go out, resulting in the refrigerator not refrigerating. At this point, the defrosting system needs to be checked, possibly a defrosting timer.
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The bottom of the freezer is not frozen and the top is not frozen, which may be due to insufficient refrigerant, or it may be that the sealing of the upper cover is not good, so that hot air enters.
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Check that the power connection is working properly. Open the door to see if the light inside the box can be lit, or test it with an electric pen. If the power connection is normal, listen to whether the compressor can work.
The compressor will emit a subtle and vibrating motor sound when working normally; If the power supply is not normal, it is necessary to check the household power line now. After the power supply is normal, the power test machine is turned on, if the refrigerator is not working, see if the power supply voltage is bound to reach the work request of the compressor. If the power supply is OK and the refrigerator is not working, then look inside the refrigerator to find the cause.
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If you have a freezer under the freezer and a freezer above. That's a bug. If the bottom is the freezer and the top is the refrigerator, then it is normal, the bottom moves, the top is not frozen, and the top is not the refrigerator.
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Normal situation: many freezers are designed with copper pipes only in the upper half of the plate, that is, only the top will be refrigerated, and after the above is refrigerated, the lower part can also be refrigerated due to the heavier cold air, but the effect is not as good as the above.
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The refrigerator on the top of the refrigerator is refrigerated, but the freezer compartment below is not refrigerated, which is generally caused by the phenomenon of ice blockage.
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The top of the box is padded with a high-density polystyrene foam board under the top plate to insulate the heat. 2. Refrigeration system: In the refrigerator refrigeration system, it is mainly composed of compressor and cold.
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If the bottom of the freezer is not frozen and the top is frozen, because the refrigerant of the freezer is leaked or insufficient, the correct treatment method is to first carry out pressure to detect whether the refrigeration system of the freezer is leaking, and if the leakage is to be repaired first; Then add refrigerant and you're good to go.
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Hello, I haven't learned this, it's not that the industry is not clear, so I am not very clear about this.
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There are many reasons why the freezer is not frozen above and below, it may be caused by the high humidity of the air in the freezer and the low temperature of the evaporator, which will cause the water vapor in the freezer to condense to the back wall and freeze, or it may also be caused by the blockage of the refrigerator drain hole and the incorrect mode setting.
The reason why the top of the freezer is frozen and the bottom is not frozen
In summer, the weather is relatively hot, if we buy some fresh fruits and vegetables can not be eaten in time, it is easy to deteriorate, at this time they can be put in the freezer for refrigeration and preservation, but although the freezer is more convenient to use, there may be various problems in the use process, such as the situation that the top is frozen and the bottom is not frozen.
It is likely that the air humidity in the freezer is relatively high and the temperature of the evaporator is relatively low, which will cause the water vapor in the refrigerator to condense to the back wall, thus forming ice cubes, and we can find professional maintenance personnel to repair and ensure the normal use of the refrigerator.
In addition, if the refrigerator drain hole is blocked or the mode is set incorrectly, resulting in the water flow is not smooth or the ice cannot be completely melted, there will also be freezing in the refrigerator and not freezing in the freezer.
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Hello freezer below the freezer and not frozen above may be because of the following reasons:1Improper temperature regulation:
The temperature in the freezer may not have been properly regulated, causing the temperature below to be lower than above, causing the bottom to freeze and the top not to freeze. 2.Poor air circulation:
Poor air circulation in the freezer can lead to uneven temperature distribution. Because hot air rises and cold air sinks, if the air circulation is not smooth, the temperature below will be lower than above, causing the bottom to freeze and the top not to freeze. 3.
Improper design of the internal structure of the freezer: If the internal structure of the freezer is not properly designed, it may cause the cold air to not be evenly distributed throughout the freezer, resulting in freezing below and not freezing above. 4.
Poor freezer sealing: If the freezer door is not properly sealed, it can cause cold air to leak out of the crack in the door, resulting in a cooler temperature underneath, causing the bottom to freeze and the top not to freeze. Workaround:
1.Adjust the temperature: According to the instruction manual of the freezer, adjust the temperature controller so that the temperature is evenly distributed.
2.Make sure the air circulates well: Clean the food in the freezer to make sure the air can flow freely.
3.Adjust the internal structure of the freezer: Rearrange the food inside the freezer to promote air circulation and even temperature distribution.
4.Replace the seal: If the seal is damaged or aged, it should be replaced in time to ensure that the freezer door is well sealed.
If the above methods do not solve the problem, it is recommended to contact the manufacturer of the freezer or the after-sales service team for further inspection and repair.
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It is likely that the air humidity in the freezer is relatively high and the temperature of the evaporator is relatively low, which will cause the water vapor in the refrigerator to condense to the back wall, thus forming ice cubes, and you can find professional maintenance personnel to repair it to ensure the normal use of the refrigerator.
In addition, if the refrigerator drain hole is blocked or the mode is set incorrectly, resulting in the water flow is not smooth or the ice cannot be completely melted, the refrigerator will also freeze, and the freezer will not freeze.
Precautions for use of the freezer.
It is necessary to pay attention to the cleaning of the daily freezer, the freezer has been used for a long time, and it will inevitably produce a lot of stains and odors, so the cleaning of the freezer is very critical, pay attention to check the vibration, noise and temperature of the compressor of the freezer, and deal with it immediately if there is any abnormality.
Pay attention to check the operation of the freezer, if there is an accident, first turn off the power, special personnel for maintenance and operation, pay attention to check the vibration, noise and temperature of the compressor of the freezer, if there is any abnormality, it should be dealt with immediately.
The above content refers to Encyclopedia - Freezer.
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This situation is divided into normal and fault conditions;
Normal situation: many freezers are designed with copper pipes only in the upper part of the plate, that is, only the top will be refrigerated, after the above refrigeration, due to the heavy cold air will fall, the bottom can also be refrigerated, but the effect is not as good as the above, the freezing time will be longer, but it can achieve the effect of energy saving.
Fault situation: caused by leakage or insufficient refrigerant of the freezer, the correct treatment method: first carry out pressure to detect whether the refrigeration system of the freezer leaks, and if the leakage is repaired; Then add refrigerant and you're good to go.
In addition, you can also check whether the door seal is not sealed, or whether there is ice or dirty blockage.
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This kind of ice should be less now, and it will definitely be good to add a little ice seed.
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Summary. First, the freezer at home is not frozen at the top and below, it is likely that the air humidity in the freezer is relatively large, and the temperature of the evaporator is relatively low, which will cause the water vapor in the refrigerator to condense to the back wall, thus forming ice cubes, and you can find professional maintenance personnel to repair it to ensure the normal use of the refrigerator. Second, in addition, if the refrigerator drain hole is blocked or the mode is set incorrectly, resulting in poor water flow or ice can not be completely melted, there will also be freezing in the refrigerator and not freezing in the freezer.
First, the freezer at home is not frozen above and below, it is likely that the air humidity in the freezer is relatively large, and the temperature of the evaporator is relatively low, which will cause the water vapor in the refrigerator to condense to the back wall, thus forming ice cubes, and you can find professional maintenance personnel to repair it to ensure the normal use of the refrigerator. Second, in addition, if the refrigerator drain hole is blocked or the mode is set incorrectly, the water flow is not smooth or the ice cannot be completely melted, and the refrigerator will freeze and the freezer will not freeze.
A freezer, also known as a freezer, is a device that preserves food and other items at low temperatures. There are two kinds of distinction between household and commercial, and commercial freezers are used in restaurants, water bars, food processing and supermarkets. The discovery of American Jacobi Perkins in 1834 led to the invention of the refrigerator.
Scotsman John Harrison discovered the cooling effect, and by 1862 his first refrigerators were on the market. The German engineer Carl von Linde built the first household refrigerator in 1879. But before the invention of the electric refrigerator in the 1920s, refrigerators did not make their way into homes on a large scale.
And the popularity was in the United States in 1920. Household refrigeration equipment appeared in 1910, in 1913 Larsen manufactured the first manually operated household refrigerator, in 1918 the United States Kelvinator Company sold refrigerators on the market for the first time, 67 units were sold that year, in 1926 the United States Strange Mingqiao Company manufactured the world's first sealed refrigeration system refrigerator, in 1927 the first household suction banquet refrigerator appeared in the American market, in the 1930s gradually popularized, in 1939, The double compartment was introduced into commercial use by General Electric.
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1. There are generally two reasons why the bottom of the freezer is not frozen and the top is frozen, first of all, there are some freezers themselves that are not cooled underneath, because the cold air will sink, so only the top of the freezer can be refrigerated to make the refrigeration effect below. 2. But if there is refrigeration under our freezer but it fails, then the freezer may be caused by refrigerant leakage, and then we need to repair the leakage of refrigerant before adding refrigerant. 3. When we usually use the freezer, we should pay attention not to hit it with heavy objects and hard objects, and at the same time, do not open the door of the freezer for a long time, which will allow hot air to enter the freezer and reduce its refrigeration effect.
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