Symptom Root cause Action Refer to
Network
No LAN
connection can be
established
devices, too.
GPIO
Connected device
does not respond
Cable connection
problem
3.2.9
Output level
cannot be changed
The direction of the
selected pin is set to
input
of the desired pin
Miscellaneous
Front panel
buttons are out of
operation
Buttons are locked
Error messages
received
continuously
Different protocol is set
commands.
difference
update if necessary.
How to Speed Up the Troubleshooting Process
response time is one of the best in
cases we can directly consult with
information from the most reliable
source.
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it too).
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software.
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