4K Optical Fiber Extender
4
Troubleshooting & Maintenance
Problems
Potential Causes
Solutions
Color losing or vague/
double image in HDMI
display
Poor quality of the HDMI
cable (if used)
Change for qualified cable.
Power led is off, operations
don’t work
Not been powered
Power up the unit
Poor contact of USB port
Make sure power adapter
is in well contact
No output on the display
Source/ Display is off
Turn on the source/ display
Poor contact of HDMI ports
Check the HDMI ports one
by one to make sure
they’re in well contact.
Note:
If your problem still remaining after following the above troubleshooting steps,
please contact your local dealer or distributor for further assistance.