IBM 3274 User Manual page 114

Procedure 16: Operator Information Area (OIA) Line
Check with a 3299 in the Network
001
Is a horizontal line displayed at the bottom of the failing
display? (For an IBM 3270 Personal Computer
Attachment, ensure that the Personal Computer is set in
the correct mode for attaching it to the 3274.)
Y N
003
I
002
Perform problem determination at the failing display.
(See "Related Publications" on page iv of this guide for
publication order numbers.) Request appropriate service.
Is this a 3290 display unit?
Y N
I
I
I
004
Go to Procedure 17 on page 2-40.
005
Power the 3290 off, then on, and wait up to 2 minutes. Look at
the lower left corner of the display screen. If a
D
symbol is
displayed in the operator information area and no error codes
are displayed, such as a 3-digit code (nnn) or machine check
o<~
)
symbol, go to Procedure 17 on page 2-40. If any other
symbols are displayed, go to the 3290 Information Panel
Customer Problem Analysis and Resolution, GA23-0125, or the
3290 Information Panel Problem Determination Guide,
GA23
c
0126, whichever is appropriate.
Section 2. Problem Determination
2-39