RTI VSW-51 - 7 Troubleshooting & Maintenance

Compact Scaler Switcher Set
37
7. Troubleshooting & Maintenance
Problems
Potential Causes
Solutions
Output image with snowflake
Bad quality of the
connecting cable
Try another high quality
cable.
Fail or loose
connection
Make sure the connection is
good
No output image when
switching
No signal at the input /
output end
Check with oscilloscope or
multimeter if there is any
signal at the input/ output
end.
Fail or loose
connection
Make sure the connection is
good
The switcher is
broken
Send it to authorized dealer
for repairing.
POWER indicator doesn’t
work or no respond to any
operation
Fail connection of
power cord.
Make sure the power cord
connection is good.
EDID management does not
work normally
The HDMI cable is
broken at the output
end.
Change for another HDMI
cable which is in good
working condition.
Static becomes stronger when
connecting the video
connectors
Bad grounding
Check the grounding and
make sure it is connected
well.
Cannot control the device by
control device (e.g. a PC)
through RS232 port
Wrong RS232
communication
parameters
Type in correct RS232
communication parameters.
Broken RS232 port
Send it to authorized dealer
for checking.
Cannot control the device by
front panel buttons while can
control it through RS232 port
The front panel
buttons are locked
Send command
“#FPL:UNLOCK!” to unlock
the front panel buttons.
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.