
6
Troubleshooting
Problems
Causes
Solutions
Power light is off
and product is not
working
Is the power adapter
properly connected
and the power on/off
button is on
Please check if the power
adapter is connected
properly and switch on
the power on/off button
Screen splash
HDMI cable may not
be HDMI 2.0
specification or the
cable is too long
Please use the standard
HDMI 2.0 cable, the
input/output cable length
does not exceed 5M
4K/60Hz 4:4:4,
4K@30Hz/1080p can
reach 10M to 10M
No picture out
only sound out or
output pink screen
Maybe the displays
can’t support the
resolution or the
HDCP
Change a lower resolution
of the input HDMI signal
to check whether this
issue or not; if not, maybe
the customer should
change a non-HDCP input
source or HDCP compliant
displays or devices
No picture out to a
FHD TV when
connecting a
4K@60Hz source,
and have normal
picture to the 4K
HDR supported TV
at the same time
Maybe the
downscaler function
can`t support the
input signal, such as
4K@60Hz 4:2:2 HDR
signal(Dolby Vision)
or when connect one
FHD TV with a fixed
4K@60Hz output
device
The downscaler function
only support the 4K@60Hz
4:4:4 and 4:2:0(HDR 10)
signal downscaler to
1080p signal, or there will
not have picture output to
the FHD TV, the customer
need change a supported
downscaler signal input.