1. Even if all the consumption records are gone, there is no need to worry too much. This kind of worry is unnecessary and there will be no major problems. Those that have been settled will not be settled again. . The memory of the POS machine is limited, and long-term transactions are not cleared in it. When the memory is full, the card cannot be swiped.

2. There is no impact, because the POS machine also has its own memory. If this kind of reminder appears, it means that the storage capacity is full. After you print it out, it is equivalent to releasing the storage space, so there is no impact.

3. It is possible. There are many situations. For example, if you use a second-hand clearing machine and the money is transferred by others, or if you use your own machine to swipe the card, UnionPay thinks you are cashing out and transfers the money. It has been temporarily withheld and the money has not arrived. First go to the person who gave you the treasure machine.

4. No, as long as your POS machine is not a second-clearance machine, you don’t have to worry about losing money. If the card swipe is unsuccessful, your credit card will be refunded. If the card swipe is successful, it is just waiting for the bank settlement data to be updated.

5. It means that the card has been maxed out. It is recommended to change the card machine.

6. Money will not be lost when swiping POS card. If the card swipe is unsuccessful, the money will be returned directly to the user's bank card. If the card swipe is successful, just wait. Generally speaking, the reasons for not paying by credit card are as follows: Network failure. Commonly seen in traditional large POS machines, the fault code is 92.