Generally speaking, if a credit card has a limit and cannot be swiped, it may be due to the following situations:

1. There is no problem with the credit card, but there is a problem with the card swiping machine. For example, if the line is busy or a malfunction occurs during use, information cannot be transmitted.

2. The magnetic stripe of the card is degaussed or damaged.

3. Consumption at merchants restricted or prohibited by regulatory agencies. For example, there are restrictions on non-personal daily consumption such as housing, building materials, and wholesale.

4. Transaction objects may have transaction risks. For example, it was suspected of using credit cards to cash out, etc., and was banned by the bank's backend.

5. The bank card is frozen due to special reasons. Need to contact the bank for verification.