IBM 3274 User Manual page 104

Did the
8 4 2
1 indicators sequence on and off for about 2
minutes, ending with all four indicators off?
Y N
I
004
Go to step 006 of this procedure.
005
The IML operation was successful. Resume normal operation.
006
Are the
8 4 2
1 indicators flashing a 1010 or 0010 code
indicating a bad diskette?
Y N
I
007
Go to step 009 of this procedure.
008
Go to step 011 of this procedure.
009
Are the
8 4 2
1 indicators displaying a solid 1101 or 1111
code?
Y N
I
010
Go to step 013 of this procedure.
011
Install the backup diskette, and re-IML the 3274.
Section 2. Problem Determination
2-29