5
5.
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 of
some outputs
Maybe these outputs
can’t support the
resolution to show the
pictures
Change the EDID mode to
the lower resolution mode
or select the mode to copy
the no picture outputs’ TV
EDID information to get
suitable signal to show
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 at the
downscaler mode
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.