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Table 10-3. Terminal Troubleshooting (Cont.)
Display Message
NO SERIAL #
USED
PACKET ERROR
or --RETRY
Problem
Solution
This message is displayed on the Verifone
terminal when you initially push the key the
check program is loaded on.
You have either done a “full” download instead
of a “partial”, or you have done a “partial”
download without putting your serial number in
location 001. Use the RECALL feature to
inspect location 001 - make sure it is correct.
Redownload the program making sure to do a
“partial” download - [FUNC/ENTER] [0] [*].
These messages can be displayed at the point of
sale device after a transaction attempt. The
verification machine has a detected a problem
with the packet structure.
Try redownloading the program and attempting
another transaction. If you continue to get one
of these messages after reprogramming, call
NCN.
If you are attempting a transaction from a
terminal type other than Verifone, contact NCN
- the POS terminal is sending a packet that the
National Database does not recognize.
PROGRAMMING
ERR X
The Verifone terminal has detected bad data in
its memory.
It has been found that option 2 also clears the
error “D.C. MEMORY ERROR”.
It remains frozen until memory is reinitialized
or a programming error override is performed.
CAUTION
Reinitializing memory completely
erases all credit card transactions,
check information and all programs
from the terminal.
1. To perform a programming error override,
press the [5] and [3] keys simultaneously and
hold them down one or two seconds. After this,
you can attempt another download, however,
Verifone suggests that a reintialization be
performed and all programs reloaded. This is
because even though the override worked, you
still can have corrupted memory that will cause
problems later.
2. To reinitialize the terminal, press the [1] and
[FUNC/ENTER] keys simultaneously and hold
them down one or two seconds. After this you
must reload all credit card and check programs.
3. Powering the terminal off and back on does
not reset it.
SERIAL # NOT FND
10 - 22
This message is displayed on the Verifone
terminal when the host (download computer)
does not recognize the number in memory
location 001.
You have probably entered your SERIAL
download number incorrectly into memory
location 001. Inspect this location with the
RECALL feature. If it is not correct, make the
appropriate changes and try again.
NCN Training Guide