VeriFone MX 800 Series Troubleshooting Manual page 15

A
application
3
does not start
2
restarting
B
3
battery test
C
captured signature, gap in
communications parameters
communictions port connection
D
display
1
blank
1
not responding
E
encryption keys
4
DUKPT
4
Master Key
M
Merchandise Return Authorization
MX800 Series
service and support
P
power-cycling the terminal
7
product ID
S
7
serial number
service
7
MX800 Series
returning a terminal
6
stylus, no response
T
terminal
6
3
4
7
7
2
7
2
power-cycling
7
repair
7
replacement
service and support
touch screen, calibrating
transaction failure, troubleshooting
troubleshooting
transaction failure
MX 800 S
7
2
5
5
T
ERIES ROUBLESHOOTING
I
NDEX
9
G
UIDE