AVGear AVG-UDA4 DA, User Manual

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AVG-UDA4
8. Troubleshooting & Maintenance
Problems Causes Solutions
Color loss or no video
signal output
The Connection of the
cabling may be incorrect
or faulty Check whether the cables
are connected correctly
and in working condition.
Failed or loose connection
Make sure the connection
is secure
No Video output when
switching
No signal at the input /
output end
Check with oscilloscope or
multimeter if there is any
signal at the input/ output
end.
Failed or loose connection
Make sure the connection
is good
The display doesn’t
support the input
resolution.
Switch to another input
source or enable the
display to learn the EDID
data of the input.
Failed or loose power
connection Check whether the cables
are connected correctly
Power Indicator remains
off when powered on
Faulty HDMI Cable
Change for another HDMI
cable which is in good
working condition.
EDID management does
not work normally
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.
Wrong connection
Check to ensure the
connection between the
control device and the unit
Static becomes stronger
when connecting the video
connectors
Poor grounding or the
device has a previous fault
Check the grounding and
make sure it is connected
securely