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