8x8 HDMI 2.0 HDBaseT Matrix Switcher
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11. 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 product 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.
Send command
/%Unlock;
to
unlock the front panel buttons.
Note:
If your problem still remaining after following the above troubleshooting steps,
please contact your local dealer or distributor for further assistance.
