4
TL-FO-HD User Manual
www.tlnetworx.com
Troubleshooting & Maintenance
Problems
Causes
Solutions
Color loss or vague/ double
image in HDMI display
Poor quality of the HDMI
cable (if used)
Change to a high quality
cable.
Power led is off, no video
Not powered
Power up the unit
Poor contact of USB port
Make sure power adapter is
in good 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 good contact.
If your problem persists after following the above troubleshooting steps, seek further help from
authorized dealer or our technical support.
