ATM Operating Modes

For commonly and general, ATM have five operating Modes.
• Power Up Mode
• Out Of Service
• In service Mode
• Maintanance mode
• Of Line Mode
Atm will changes mode from one mode to other mode, when it encounter specific event . like when suddenly electric power turn OFF and then turn ON, or when the operator ATM do replenishment or cheking the money or status on the ATM.


The following article describe how the terminal enters and exits each of the modes and, if applicable, how the ATM functions when it is in that mode.
1.Power UP Mode
The ATM will Enters to Power UP Mode when. Power Button is turn on, or when activity to reset ATM. In this mode, ATM will load operating System and any device driver and Application for activate the ATM until the NDC or DDC application loaded and take over the control . when that happened, ATM will enter to the Out Of Service Mode.
2.Out Of Service Mode
In this Mode, ATM does not permit any transaction. Ussualy we can recognize this mode, when we look the display terminal, say sorry or out of service. In this mode, ATM and ATM-C Connected, and ATM can be receive command from ATM –C or Host. Usually on this mode, ATM will Receive Configuaration from ATM-C, and when all configuration is completed download to the ATM, ATM-C will give the In service Command to terminal for enters to in service mode.
Out of Service mode, will occurs when following conditions occurs.
• The ATM receive Go out Service Mode from ATM-C when in service mode
• The terminal Have problem with device security module or card reader.
3.In Service Mode
On IN Service Mode, ATM can process transactions and act a command from the ATM-C. However, if the ATM is performing a cardholder transaction, it will wait until the transaction has been completed and it has returned to the idle state before it acts on the command.
The ATM enters In-Service mode when one of the following conditions occurs:
• The terminal receives a Start-Up command from Central while in out-of-service mode.
• After completing the operations of maintenance mode, the terminal turns to the in-service mode if receiving a start-up command from central.
• Communications with Central are re-connected while in Off-Line mode,
In-service mode, the terminal uses the configuration data to determine the sequence of the ATM transaction.
4.Maintenance Mode
If the cabinet door or safe door is opened or some fatal error (just like some card reader error)occurs, the terminal will go to the maintenance mode. In Maintenance mode, a terminal administrator or operator can execute the maintenance function, such as replenishing cash, input master key and comm key. In this mode, The terminal does not allow cards to be inserted or process any transactions
5.Off Line Mode
The terminal enters Off-Line mode if a communication failure with Central occurs while it is in In-Service mode or Out-of-Service mode or Power-up mode. the terminal will wait for the next mode for enter, normally out-of-service mode or maintenance mode if maintenance switch is reset. In this mode, The terminal does not allow cards to be inserted or process any transactions.