www.tekvox.com
TPHD2-WP1
79066 User Manual
6. Troubleshooting & Maintenance
Problems
Causes
Solutions
Loss of video or noise
on the screen
CAT cable or RJ45 connector issues.
Check connections and cable.
Best to use CAT 6 shielded.
Distance may be too long.
Power
indicator doesn’t
work or respond to any
operation
Loose or failed power cord
connection
Ensure the power cord
connection is good.
Cannot control the
device via RS232 port
Wrong RS232 communication
parameters
Make sure the RS232
communication parameters
are set correct.
Cannot control the
display via RS232
Improper setting of RS232 mode
Check that the unit is set to
Passthrough Control Mode.
Cannot control unit via
front panel or RS232
while unit is powered on
Unit may not be working.
Check with dealer.
If your problem persists after following the above troubleshooting steps, seek further help from
authorized dealer or our technical support.