1. Is your card in place with the card face facing the right direction?
2. The magnetic stripe has been degaussed, which makes ATM sometimes unable to identify or identify errors.
3. There is something wrong with the 3.ATM reading magnetic stripe device.
Automatic teller machine (ATM) refers to a small machine set up by banks in different places, which records the basic deposit account information of customers (usually bank cards) by using the adhesive tape on plastic cards the size of credit cards, so that customers can carry out bank counter services such as withdrawal, deposit and transfer through the machine. Most customers call this self-service machine ATM.
Extended data:
ATM withdrawal has the following five points:
1. Insert the card into the slot in the direction indicated by the arrow on the card.
2. After entering the password on the keyboard, press Enter. According to the column displayed on the screen, press the "Withdrawal" key on the left side of the screen.
3. Enter the required withdrawal amount, and press "Enter" after verification.
4. Retrieve the ATM card and "Customer Notification".
5. Collect the cash from ATM.
Note: If the password is entered incorrectly for three consecutive times, the bank card will be locked and it is impossible to withdraw money. (The articles of association of different banks are different in different places, and it will be locked after three times. )
Baidu encyclopedia -ATM machine