HDMI 2.0 6x1 Presentation Switcher
30
9. Troubleshooting & Maintenance
Problems
Potential Causes
Solutions
Output image with snowflake.
Bad quality of the connecting
cable.
Try another high quality cable.
Fail or loose connection.
Make sure the connection is
good.
No output image when
switching.
No signal at the input / output
end.
Check with oscilloscope or
multimeter if there is any signal
at the input/ output end.
Fail or loose connection.
Make sure the connection is
good.
The switcher is broken.
Send it to authorized dealer for
repairing.
POWER
indicator doesn’t work
or no respond to any operation.
Fail connection of power cord.
Make sure the power cord
connection is good.
EDID management does not
work normally.
The HDMI cable is broken at the
output end.
Change for another HDMI cable
which is in good working
condition.
Static becomes stronger when
connecting the video
connectors.
Bad grounding.
Check the grounding and make
sure it is connected well.
Cannot control the device by
control device (e.g. a PC)
through RS232 port.
Wrong RS232 communication
parameters.
Type in correct RS232
communication parameters.
Broken RS232 port.
Send it to authorized dealer for
checking.
Cannot control the device by
front panel buttons while can
control it through RS232 port.
The front panel buttons are
locked.
Unlock the front panel buttons.
Note: If the problem still remaining after following the above troubleshooting steps,
please contact your local dealer or distributor for further assistance.
