User Manual
PT-C-HDCEC
21
8.
Troubleshooting & Maintenance
Problems
Potential Causes
Solutions
Loss of color or missing video
signal output on 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 signal output from this
switcher while local input is in
normal working state.
Splash screen on output
devices.
Poor quality of the connecting
cable.
Change for another cable of
good quality.
Cannot control this controller
by control device (e.g. a PC)
through RS232 port.
Wrong RS232 communication
parameters.
Make sure the RS232
communication parameters are
correct.
This switcher is broken.
Send it to authorized dealer for
repairing.
Note:
If your problem is still remaining after following the above troubleshooting
steps, please contact your local dealer or distributor for further assistance.