User Manual
PT-PMS-82S
52
11.
Troubleshooting and Maintenance
Problems
Potential Causes
Solutions
Output image with white
noise.
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.
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.
Note:
If your problem persists after following the above troubleshooting steps, seek
further help from authorized dealer or our technical support.
