Vacuum packaging machine may have many problems in the process of packaging items, and these problems may occur from time to time, and it will appear in any manufacturer's equipment, these are common problems of vacuum packaging machine, also known as vacuum packaging machine Common faults, although these common faults are not big problems, but they will affect the normal production, so not timely and effective solutions will cause big problems. Common faults of vacuum packaging machines are mainly manifested in the following aspects:
1. No vacuum. If the vacuum packaging machine used for the first time is not evacuated, the biggest possibility is that the electrical connection is reversed, and the vacuum pump is reversed, which makes it impossible to evacuate. If the vacuum is suddenly not used after a period of time, it may be caused by a vacuum pump failure or a circuit board failure. There is also a possibility that the vacuum chamber is deformed and the vacuum machine upper cover cannot be fully pulled in, causing a vacuum failure. appear.
2. Not sealed. If the vacuum packaging machine is not sealed, first check whether the bag has any signs of being burnt. If there is, it means that the heating temperature is not enough. You only need to adjust the heating temperature. If there is no trace of ironing on the bag, it means that the heating bar has no temperature at all. This may be caused by two conditions, one is the heating bar is broken or burned, and the other is the heating transformer is burned. Users only need to check step by step to solve.
3. The sealing is uneven. The uneven sealing of the bag is generally manifested as folds in the sealing and no obvious patterns at the sealing. The wrinkles at the seal are mainly caused by the bag being too short. In general, the length of the vacuum packaging bag should be 3-4cm longer than the package, so as to fully ensure that no air leakage will occur during the packaging process. There is no obvious pattern at the seal. This situation is mostly caused by too long heating time. If the heating time is too long, the heating belt will completely heat the vacuum packaging bag, and the appearance of the seal will be lost. Therefore, the seal will not be smooth.
4. The degree of vacuum is getting lower and lower. In theory, the vacuum can only be known by measuring with professional instruments, but some of the more obvious low vacuum can still be seen by the naked eye. For example, it took 10s to pump a bag of items, but with the use of the machine, the vacuum It takes longer and longer to achieve the initial effect, which is the performance of the vacuum is getting lower and lower. When this happens, it is mostly because the vacuum pump enters a lot of water, causing the oil in the vacuum pump to be diluted and losing its original role. The reason why the vacuum pump will enter the water is because the packaged items contain a lot of water, or the packaging is directly liquid. If such a situation occurs, the user should promptly replace the vacuum pump oil to solve it.
In fact, the common faults that occur during the use of all equipment can be resolved quickly by the operator, and there is no need to wait for the professional after-sales service of the supplier to come to the door. This not only wastes time, but also costs more. The operator only needs to conduct a simple study against the instruction manual, and many problems will be solved. 
Editor in charge: Zhang Yu
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