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11. Troubleshooting & Maintenance
Problems
Color losing or no
video signal output
No output image
when switching
No output on the
amplifiers
connected to audio
output ports
Cannot control the
device via front
panel buttons
Cannot control the
device via IR
remote
Power Indicator
remains off when
powered on
4K 8x8 HDMI2.0 Matrix Switcher
Potential Causes
The connecting cables may not be
connected correctly or it may be
broken.
Fail or loose connection
No signal at the input / output end
Fail or loose connection
Input source is with HDCP while
the HDCP compliance is switched
off.
The display doesn't support the
input resolution.
The amplifiers are not able to
decode HDMI audio.
Front panel buttons are locked.
The battery has run off.
The IR remote is broken.
Beyond the effective range of the
IR signal or not pointing at the IR
receiver
Fail or loose power connection
Solutions
Check whether the cables
are connected correctly
and in working condition.
Make sure the connection
is good.
Check with oscilloscope or
multimeter if there is any
signal at the input/ output
end.
Make sure the connection
is good.
Send command /%[x]:[1].
to change HDCP
compliance status.
Switch for another input
source or enable the
display to learn the EDID
data of the input.
Change for amplifiers that
are capable to decode
HDMI audio.
Send command /%Unlock;
to unlock.
Change for new battery.
Send it to authorized
dealer for repairing.
Adjust the distance and
angle and point right at the
IR receiver.
Check whether the cables
are connected correctly
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