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In this case, the possibility of fluorine deficiency caused by pipeline damage and leakage is the greatest, and it is estimated that the damage and leakage point is small, and the freon leakage is not very much, and professionals should be asked to repair it in time. Insufficient refrigerant will cause the refrigerator room to never reach the set temperature, and the compressor will continue to work without stopping. This creates a vicious circle, the less cold the cold room, the more severe the freezing of the cold room, and the more the compressor does not stop.
However, this situation will not be long, and when all the refrigerant in the machine leaks, the freezer will eventually stop cooling. Professionals should be asked to overhaul in time, first detect leaks, then plug leaks, and then vacuum fluoride treatment.
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The refrigerator still needs to be repaired, and if it leaks quickly, it may be under the freezer drawer, and the metal evaporator is broken. It will not be repeated as the master said with 2 or 3 months, because in our usual maintenance are aluminum tubes, it is no problem to make up for a few years, and the cost of 5 600 is high from the point, I suspect that it is too much, you call it to show you the charging standard You can also look at the national standard announced by your local There is nothing to repair.
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Refrigeration is not refrigerated If the freezing is normal, it must be a lack of fluorine, but I don't know how the quality of the Yangtze refrigerator is, if it is a copper tube, add some fluorine to solve the problem, but if it is not a copper tube, it is estimated that there may be trachoma, fluorine leakage, but not necessarily leakage badly, plus fluoride may be able to use it for a year and a half.
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This must be filled with refrigerant by professional people, and you can only find after-sales service.
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Some refrigerators need to press the conversion button to read the instructions in winter, my Haier refrigerator is called the power-saving mode button, and you need to press the work in winter.
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Nowadays, refrigerator leakage is a common problem, mainly because the manufacturer uses aluminum tubes (the manufacturer's name is titanium alloy tubes), and 100% of the aluminum tubes are corroded and perforated. The general maintenance period is about 1 year, and the situation of refrigerators that are not in use in winter will be better. When encountering this incident, the maintenance personnel can only be repaired with their backs open.
The service life after repair depends on the skill and carefulness of the maintenance worker, and the degree of responsibility.
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How long have you been buying it, and ask the maintenance staff if there is any value in repairing it? If the cost is too much, it is better to get a new refrigerator.
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Old-fashioned refrigerators will freeze if they are directly cold, so it's good to clean them regularly. If you want to do it once and for all, change to an air-cooled refrigerator that will never freeze.
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Refrigerator leakage refers to a direct-cooled household refrigerator, which is cooled by the copper tube on the inner wall of the refrigerator; Air-cooled, on the other hand, is similar to the air conditioner in your home, which is cooled by the cold air that blows out. The copper tube has good cooling effect and better corrosion resistance, and the high-quality copper coil has the advantages of high cleanliness and few pipe joints, which can effectively prevent the failure of internal leakage or blockage in the refrigeration system. However, it is necessary to defrost on time every month, otherwise when there is too much frost, the inner wall drainage pipe is easy to block, and it needs to be dredged with a soft wire before the water can be discharged.
Causes of refrigerator leakage:
The main reason for internal leakage is the corrosion of salt-containing substances on the real origin, and the materials used in the refrigerator evaporator that has not undergone major repairs are basically aluminum tubes, and the corrosion resistance is very poor.
In order to prevent the brine from flowing to the surface of the aluminum tube, it is best to pack it in a plastic bag and then put it in the freezer, so as to reduce the leakage of the refrigerator.
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Internal leakage refers to the leakage of refrigerator condenser pipes, because the condenser pipes are inside the refrigerator, and most of the pipes are laid in the refrigerator insulation layer.
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There is an internal leak in the refrigerator, and repairing it is quite time-consuming and laborious. Repair Method:
1) Re-foaming maintenance method When overhauling, you need to pry open the back plate of the refrigerator and dig out the original foaming material (you should be very careful not to damage the original pipes and wires when digging). After exposing the evaporation pipe, it is then filled with nitrogen to detect leaks, and special attention should be paid to each connecting solder joint during leak detection. This repair method is more suitable for the refrigeration system with a connector on the back, and is not suitable for internal leakage in the refrigeration pipe with leakage points at deeper levels.
After the leakage point is detected, repair welding or repair it with an adhesive pool, and then re-foam and repair the backplate.
2) Acoustic leak detection method Fill all the refrigeration pipes with nitrogen first. Then use a stethoscope to inspect all parts of the interior and make a mark when you hear an air leak in a certain area. Carefully pry open the metal plate at the place, check the leakage point of the pipeline with thick soapy water, repair it by repair welding or adhesive method, then fill it with foaming agent, use a larger metal plate to repair the pry mouth, and glue it firmly on all sides.
This method is powerless for the micro-leakage of the refrigeration system, which is easy to cause false detection or missed detection.
3) Evaporator replacement method After determining the leakage of the evaporator, the finished evaporator that can be loaded into the inner cavity of the original evaporator is replaced and repaired. Connect the new evaporator to the original refrigeration piping and replace it with a new capillary and dryer. The disadvantages of this method are that it is costly, and it is powerless when encountering evaporators with special shapes or multi-door refrigerators, as well as leaks in the refrigeration pipes of freezers.
4) Copper tube coiling method This is a suitable repair method for leaks in any type of refrigerator. When repairing, the size of the purchased copper pipe is generally calculated first, and the shape and length of the coiled copper pipe are determined according to the size of the refrigerator liner. Taking a double-door direct-cooling refrigerator as an example, the freezer generally only needs to be on the left, top and right sides of the plate, and the refrigerator only needs to be coiled around a small piece close to the box board, and the freezer can be coiled by the wrap-around method.
The coiled new evaporator is then fixed to the metal sheet wall with a fixing card and self-tapping screws.
The fourth method is the best, which can completely update the original evaporator pipeline, and the adaptability is also wider or go to Shenzhou United Warranty for repair.
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In fact, even if the door is not opened, there will be this sound, this is the sound of the refrigerant flowing in the refrigeration pipeline, the phase of the refrigerant refrigeration is a gas-liquid mixture, and it is normal to have a sound.
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Is the temperature in the box normal, if it is normal, it is good to replace it if there is a problem with the thermostat, if the temperature is not normal, it is a problem with the refrigeration system, it may be that the refrigerant is leaking or the compressor is broken, and the latter two may be more troublesome if they appear.
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If the ambient temperature is too high or the refrigerant is the reason, look for after-sales.
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It depends on whether the refrigerator is a refrigeration system or a segmented refrigeration with a solenoid valve, if there is a problem with the solenoid valve, if there is no solenoid valve, there may be a leak of refrigerant.
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