Dual Input Wall Plate HDBaseT Transmitter
PTN Electronics Limited 14 www.PTN-electronics.com
7. Troubleshooting & Maintenance
Problems
Causes
Solutions
Color losing or no video
signal output in HDMI
display
The connecting cables may
not be connected correctly
or it may be broken
Check whether the cables
are connected correctly
and in working condition.
No HDMI signal output in
the device while local
HDMI input is in normal
working state
Output image with
snowflake
POWER
indicator doesn’t
work or no respond to any
operation
Loose or failed power cord
connection
Ensure the power cord
connection is good
Cannot control the device
by control device (e.g. a
PC) through RS232 port
Wrong RS232
communication parameters
Make sure the RS232
communication parameters
are correct.
Static becomes stronger
when connecting the video
connectors
bad grounding
Check the grounding and
make sure it is connected
well.
Cannot be controlled
through RS232 port or front
panel buttons
The unit may have already
been broken
Send it to authorized
dealer for repairing.
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.
