Color losing or no
video signal output
The connecting cables may
not be connected correctly or
it may be broken.
Check whether the cables
are connected correctly
and in working condition.
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.
Make sure the connection
is good
Input source is with HDCP
while the HDCP compliance
is switched off.
Send command
/%[Y]/[X]:1. or change
HDCP compliance status
in GUI.
The display doesn’t support
the input resolution.
Switch for another input
source or enable the
display to learn the EDID
data of the input.
Cannot control the
device via front
panel buttons
Front panel buttons are
locked.
Send command /%Unlock;
or select unlock in GUI
interface to unlock
Cannot control the
device via IR
remote
Send it to authorized
dealer for repairing.
Beyond the effective range of
the IR signal or not pointing at
the IR receiver
Adjust the distance and
angle and point right at the
IR receiver.
The IR receiver connected to
IR IN port is not with carrier
Change for an IR receiver
with carrier.
TROUBLESHOOTING & MAINTENANCE
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General