ALFATRON ALF-SC61E
17
7. Troubleshooting & Maintenance
Problems
Causes
Solutions
Power LED doesn’t
work or no response to
any operation
Fail connection of power
cord
Make sure the power cord
connection is normal
Power adapter doesn’t
suitable
Please replace the power
adapter with factory default
No output image on
display when switching
Fail or loose connection
Make sure the connection is
enable
Output image with
snowflake or ghost
Bad quality of the
connecting cable
Please replace high quality
cable.
Over the transmission
distance
please replace the proper
distance cable
Cannot control the
device via front panel
button
Front panel buttons are
locked
Send command 50605% to
unlock it
Cannot select source
via SOURCE/AUTO
buttons
In auto-switching mode
Press it and hold for 3 seconds
or more to enter in
manual-switching mode
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 via IR remote
The battery has run off.
Change for new battery.
The IR remote is broken.
Send it to authorized dealer for
repairing.
Beyond the effective range
of the IR signal or not
pointing at the IR receiver
Adjust the distance and angle
and point right at the IR
receiver.
Cannot control the
device
The device has already
been broken.
Send it to authorized dealer for
repairing.
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.
Summary of Contents for SC61E
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