VeriFone Commander Site Controller, Software Installation Manual

Page: 31 / 34

July 25, 2013
4
T
ROUBLESHOOTING AND
S
ERVICE
Troubleshooting
Symptoms
Symptom Solution
Fails to boot up or “A9” fails to
display after boot-up 1. Put the DIAG Switch in the DOWN
position.
2. Remove the power from the
Commander Site Controller and if
necessary press and hold the reset
switch until it shuts off.
3. Plug the controller back in and wait
for it to complete booting into the
Diagnostic Kernel (DK). The
displayed code will depend on the
hardware and DK version. If in
doubt, check for a login prompt on
the serial console.
4. Put the DIAG Switch back to the UP
position.
5. Run the Petro Suite Installer as in
the Software Installation chapter. It
will detect the DK and take
appropriate action.