This situation is uncommon. If you have any doubts, you can try it at another cash machine. If there is still an invalid prompt, it means that your bank card may be in the following situations:

1. The bank card has been damaged;

2. The bank card has been reported lost.

So when encountering this situation, it is best to go to the bank with your ID document.

Credit card

A credit card is a credit certificate issued by a commercial bank or credit card company to consumers with qualified credit. Consumers holding credit cards can shop or consume at specially designated commercial service departments, and then the bank will settle the accounts with merchants and cardholders. Cardholders can overdraft within the prescribed limit.

A credit card is generally a special carrier plastic card with a length of 85.60 mm, a width of 53.98 mm, and a thickness of 1 mm. The name of the card issuer, validity period, number, cardholder name, etc. are printed on the front, and there is a chip on the back. Magnetic strip, signature strip. Cardholders can use their credit cards to shop and spend money with special entities and deposit and withdraw cash from banks.

After receiving the credit card, the cardholder should immediately sign the same signature as the application form in the signature column on the back of the credit card, and use the same signature when using the credit card for transactions, otherwise, the resulting losses will be It shall be borne by the cardholder, unless otherwise agreed between the cardholder and the card issuer or otherwise stipulated by the acceptance institution or bank card organization.

Some specially designed cards do not require a signature on the back of the credit card, but a password must be set before they can be used normally. Cardholders can set a password through the channels designated by the card issuer.

When consuming, withdrawing cash and using other self-service equipment in the country, cardholders must abide by relevant national laws and regulations, as well as relevant regulations of UnionPay, card issuers and acquirers; when consuming or withdrawing cash overseas, they must abide by Relevant national laws and regulations, and should be handled in accordance with the relevant regulations of bank card organizations and acquirers such as UnionPay, Visa, MasterCard, JCB, American Express, etc.

The dangers of credit card overdraft:

1. Producing a bad credit record;

2. Interest: calculated at 50,000 per day;

3. Late payment fee: generally calculated as 5% of the unpaid portion of the minimum repayment amount (depending on the regulations of each bank);

4. Malicious credit card overdrafts may also face criminal penalties;

5. If you are blacklisted by the bank, you will no longer be able to have a credit relationship with the bank within 5 years from the date of paying off the debt. Your credit worthiness will not be greatly affected if you repay one or two days late, but overdraft interest will be charged. That is, two days of overdraft interest will be charged based on one ten thousandth of the overdraft amount.