HDMI2.0 HDBaseT Extender
ALTIMIUM
5. Troubleshooting & Maintenance
Problems
Causes
Solutions
No reaction to
any operation,
power indicator
is off
Haven’t been powered on.
Insert power adapter to either
end.
The poor quality of network
cable.
Should the replacement
CAT5e/CAT6a cable of high
quality.
Abnormal
indication of the
status LEDs
Wrong specification of the power
adapter.
Change for DC 24V 1.25A power
adapter.
Color lose or
poor picture
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 4K HDMI signal
successfully.
The longest HDMI cable is 8m
for 4K input signal, and 20m for
4K output signal.
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 digital 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
.
No analog audio Audio OUT port (RCA connector) Change for other audio input
