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Appendix
B
Messages, Codes and Self-test Numbers
This appendix lists:
• terminal messages and codes that may appear during terminal
operation.
• description of self-test numbers.
Types of Terminal
Messages
The terminals have different messages to display.
Status Messages
Indicate the terminal is performing an operation that may limit access
to the terminal, such as an application download or a communication
problem. The message disappears when the terminal completes the
operation or when the condition is satisfied.
Reminder Messages
Indicate a minor fault or mistake. Reminder messages appear when an
invalid operation is attempted, such as entering an out-of-range value.
Pressing any key removes the message.
Warning Messages
Indicate the operation may produce undesirable results. You must
respond to warning messages as indicated in the message.
Fault Messages
Indicate the terminal has detected a condition which prevents further
operation. The current application will halt. The terminal must be
reset (power cycled) to recover from this type of error.
Publication 2711-UM014G-EN-P - September 2008
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