VeriFone Vx510 - Manual (Page 23)

POS terminal Vx510 Instructions for use
23
14.2. Messages on reciept
In case of unsuccessful communication terminal may print respective messages:
No answer It means, that the centre do not sent answer to card authorisation.
Repeat operation again!
Carrier signal interrupted It means, that communication problems appears during
authorisation session. Repeat operation again!
No COM It means, that the authorisation center do not answer on address of
authorisation center. Call Processing center!
REJECTED Authorisation declined. Try again or follow to corresponding
explanation on this or next chapter.
Incorrect data received
Wrong answer received
Answer not received
CR answer only
No answer
NAK 3 times
Problems with data exchange session, try again, if this persists, call
the card service center.
Cannot open modem
Cannot initialise modem
Modem’s time limit
No answer
Busy