Instruction manual

3-2 Maintenance and Troubleshooting
Troubleshooting Table
Use Table 3-1 to identify and correct any problem areas.
Table 3-1 Identifying and correcting problems
Symptom Possible Cause Suggestion Solution
Cursor or “Selftest
OK” does not
display
Brightness or
Contrast control
is set too low.
Power cord is
not connected.
There is no
power.
The terminal is
faulty.
Increase the brightness and contrast
control setting under the front of the
terminal.
Connect the power cord to the power
source and the terminal. Push the
power switch in.
Use a function outlet.
Set the power switch to the off position
and contact the service representative.
Screen is blank,
but cursor is
blinking.
Screen saver is
active.
Signal cable is
not connected.
Communications
port is not set
properly.
Communication
speed may be
set incorrectly.
The host system
may be faulty.
Press any key.
Reconnect the cable.
From the Communication menu item,
choose Port select and check the
setting for the cable connections.
Check the communication transmit
speed, receive speed, and parity with
you system manager; then match them
to the Set-Up settings.
Contact your system administrator.
Video is off center. The Earth’s
magnetic field at
your location
may be causing
the display to
shift.
From the Display menu item, choose
Screen alignment.