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TL-SM3X1-HDV User Manual
7.
Troubleshooting & Maintenance
Problems
Causes
Solutions
Output image with
snowflakes or static
Poor cable quality
Replace the cable
Failing or loose connection
Check the cable connection
No output image when
switching
No signal at the input /
output end
Check with oscilloscope or
multi-meter
Failing or loose connection
Check the cable connection
Failure of the unit
Contact TechLogix technical
support
POWER
indicator doesn’t
illuminate or lack of unit
response
Power supply/cable failure
Check the power supply
connection
Static becomes stronger
when connecting the video
connectors
Bad grounding
Check unit and power
supply ground connection
If your problem persists after following the above troubleshooting steps, please contact your
authorized reseller or TechLogix technical support.