HDMI 4K HDBaseT Wallplate Kit
28
7.
Troubleshooting & Maintenance
Problems
Potential Cases
Solutions
No reaction to
any operation,
power indicator
is off
Haven’t been powered on.
Insert power adapter to
the receiver.
The poor quality of network
cable.
Should the replacement
CAT5e/CAT6a cable of
high quality.
POWER
indicator
doesn’t work or
no respond to
any operation
Loose or failed power cord
connection
Ensure the power cord
connection is good.
Color lose or
poor picture
quality
Signal loss caused by long
transmission distance beyond
effective value.
Make sure the connecting
cable is within 30m and of
good quality.
Bad quality of the HDMI cable.
Ensure the HDMI cables
used at source,
transmitter, receiver and
display are properly
connected and are of
good quality.
HDMI cables are too long to
transmit high-resolution HDMI
signal successfully.
Shorten the length of
HDMI cables.
No video output
Communication cables has no
connection or bad connection.
Recheck all cables and
ports.
The display that you use is
incompatible with this device.
It is recommended that
you use 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 don’t
support the audio format.
Change for other output
devices that support the
audio formats listed in
Specifications
.