IBM 4247 Maintenance Information page 47

Table 6. MAP 0121: Attachment, Models 001, 002, or 003 (continued)
Step Questions/Actions
Models 001, 002:
11.
Follow "Attachment Card Procedure 1" on page 50, and
return here.
Do the attachment card feature resistors and S1 module
match the host connection feature?
Model 003:
See "Model 003 – IPDS and SCS Feature Identification" on
page 361, and "Model 003 – Serial Card Jumper Locations"
on page 362, then proceed to step 15 on page 48.
Models 001, 002:
12.
Is the S1 module correctly oriented?
Models 001, 002:
13.
The S1 microcode module used on the Level 2 (short)
attachment card must be at the following code version level
(shown as vvv in Figure 7 on page 55) or higher:
Coax SCS: vvv=406
Twinax SCS: vvv=403
Is the S1 module at the correct code level?
Yes
Go to step 12.
Go to step 13.
Go to step 14 on
page 48.
No
Repair as needed. Run T&D in
Automatic Mode to verify correct
printer operation. See "How To Run
the Test and Diagnostic (T&D)
Programs" on page 201.
Repair as needed. Run T&D in
Automatic Mode to verify correct
printer operation. See "How To Run
the Test and Diagnostic (T&D)
Programs" on page 201.
Replace with the correct code kit.
Run T&D in automatic mode to
verify correct printer operation.
Chapter 1. Diagnosing Problems
47