User Manual
PT-PSW-41RS
25
7.
Troubleshooting & Maintenance
Problems
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.
There is a blank screen on
the display when
switching.
The display does not
support the resolution of
the video source.
Switch again.
Manage the EDID data
manually to make the
resolution of the video
source automatically
compliant with the output
resolution.
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.
