AVG-K12-VGA
8. Troubleshooting & Maintenance
Problems
Causes
Solutions
No reaction to any
operation, power
indicator is off
Has
n’t been powered on.
Insert power adapter to the
receiver.
Faulty network cable.
Replacement the CAT5e/CAT6a
cable.
POWER
indicator
doesn’t work and
no response to
any operation
Loose or failed power cord
connection.
Ensure the power cord
connection is good.
Color loss or poor
picture quality
Signal loss caused by long
transmission distance beyond
effective value.
Make sure the connecting cable
is within 30m.
Bad quality of the HDMI
cable.
Ensure the HDMI cables used at
the source, transmitter, receiver
and display are properly
connected and terminated.
HDMI cables are too long to
transmit high-resolution HDMI
signal successfully.
Shorten the length of HDMI
cables.
No video output
Communication cables have
no connection or bad
connection.
Recheck all cables and ports.
The display that you using is
incompatible with this device.
It is recommended that you use
a mainstream display.
No audio output
Input source and output
device are connected to the
wrong ports.
Check again and make sure
input source and output device
are connected correctly.
Audio output device does
n’t
support the audio format.
Change for another output
device that supports the audio
formats listed in
Specifications
.
Unable to login to
Web-based GUI
The PC’s network segment
has not been modified.
The PC’s network settings need
to be set as the same as the
AVG-K12.
Static becomes
stronger when
connecting the
video connectors
Bad grounding
Check the grounding and make
sure it is connected properly.