IBM 3274 51C Maintenance Information page 117

Processor Card 02 LEOs. Note 2.
Test
Function ~isplay
Failure
Code**
No Failure
-
Processor 0111016
Processor 0111 016
Processor 0111016
TAC
0111016
Receiver 0111016
Front End
0111 016
Processor 0111016
Modem Wrap 0111013
Legend
o
=
Off
*=
Flashing
• =
Continuously lighted
=
Not used
*Not always on or flashing.
**See table in section 5.4.5.1.
Notes:
Feat.
*-
0
*"
•
•
0
0
0
-
1. Replace in order of probability_
Ree
*
0
*
•
0
•
0
0
-
2.
If
twa or mare card LEDs are an, replace
cards for all symptoms_
3. Indicator results shown with AL T2 switch
held depressed.
Front
End Proe
*
*
0 0
"* *
• •
0
0
0 0
•
0
0
•
-
-
Operator
Panel LED
Failing
Card
Poor Note 1
0
-
• *
02, G2, 84
• *
02,G2, F2, 84
• *
02, F2,G2,
84
•
C2, G2, 02
•
F2,02,G2
•
G2,F2,02
•
02, F2,G2,
84
-
H2,G2
~,
~~
Feature
~ ............ Receiver
Front End
~~processor
Figure 5-13. 4800-bps Integrated Modem Card LED Locations and Test Results
5-20
Notes
Card LEOs flash once during
each self-test.
Self-test failed to start.
Self-test failed to end.
Self-test failed to end .
Self-test stops on error.
Self-test stops on error.
Self-test stops on error.
Self-test stops on error.
Modem to adapter stops on
error.
(EJ73)
(FH34)
(EJ66)
(EJ43)
(EJ42)