IBM 3270 Maintenance Manual page 367

Your screen should look like the following
screen.
DOES YOUR SCREEN MATCH THE SCREEN
ABOVE?
NO If you
h~ve
an error message, go to page
3-3200-20. If there is no error message,
reload the diagnostic and check to see if
the programmed symbols adapter appears
in the option menu.
YES
3-3200-18 Maintenance Information