Brief Description : This User Case describes the Card Read Error process and it is called from the card reading process when there is an error.
Primary User : ATM
Secondary User : User
Triggers : User inputs the card in wrong direction
a. After the machine reads the users card it notices an error.
b. The machine sends an error signal to the main system.
c. The main system, returns an panel with, possible solutions regarding to that particular error.
d. The user is presented with an panel that contains the information regarding the error
b. The machine dispenses the user's card and displays a message on screen to try again.
c. The display returns to the start screen
Special Requierments : none
Preconditions : the user must have inputted the card in wrong direction and ATM machine must not be busy, in order to process the error
Postconditions
Success Postcondition(s) [a.k.a. the Success Guarantee]:The user is successfully asked from the ATM machine whether if they want to exit or try inputting the card again.
Failure Postcondition(s) [a.k.a. the Minimal Guarantee] : The user is not asked whether to exit or to try it again, because the ATM machine was not successful with processing the error signal.
Brief Description : This User Case describes the Card Read Error process and it is called from the card reading process when there is an error. Primary User : ATM Secondary User : User Triggers : User inputs the card in wrong direction a. After the machine reads the users card it notices an error. b. The machine sends an error signal to the main system. c. The main system, returns an panel with, possible solutions regarding to that particular error. d. The user is presented with an panel that contains the information regarding the error b. The machine dispenses the user's card and displays a message on screen to try again. c. The display returns to the start screen
Special Requierments : none
Preconditions : the user must have inputted the card in wrong direction and ATM machine must not be busy, in order to process the error
Postconditions
Success Postcondition(s) [a.k.a. the Success Guarantee]:The user is successfully asked from the ATM machine whether if they want to exit or try inputting the card again.
Failure Postcondition(s) [a.k.a. the Minimal Guarantee] : The user is not asked whether to exit or to try it again, because the ATM machine was not successful with processing the error signal.
Extension points : none