4K 8x8 HDMI2.0 Matrix Switcher
33
Power
Indicator
remains off when
powered on
Fail or loose power connection
Check whether the cables
are connected correctly
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.
There is a blank
screen
on
the
display
when
switching
The display does not support the
resolution of the video source.
Switch again.
Manage the EDID data
manually to make the
resolution of the video
source
automatically
compliant with the output
resolution.
Cannot control the
device by control
device (e.g. a PC)
through RS232 port
Wrong connection
Check
to
ensure
the
connection between the
control device and the unit
Wrong RS232 communication
parameters
Type in correct RS232
communication
parameters: Baud
rate:9600; Data bit: 8; Stop
bit: 1; Parity bit: none
Broken RS232 port
Send it to authorized
dealer for checking.
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 RS232 /
IR remote / front
panel buttons
The device has 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.
