IBM Application System/400 Service Information page 5

Contents
Notices
vii
Safety Notices . vii
Danger Notices vii
Caution Notices viii
Warning Notices viii
Trademarks and Service Marks . ix
Chapter 1. Starting Problem Isolation
1-1
Starting Problem Analysis 1-2
Analyzing IPL Problems . . . . . . . 1-5
Cannot Perform IPL (No SRC) 1-5
System Hangs or Loops (No SRC) 1-5
Cannot Power Off System (No SRC) 1-7
Checking the System Control Panel 1-8
Cannot Perform IPL at a Specified Time (No SRC) 1-9
Cannot Perform I PL from a Remote Location (No SRC) 1-11
Chapter 2. Unit Reference Codes
2-1
How to Use the Unit Reference Code Tables 2-2
Unit Reference Code Tables . . . . . . 2-3
(0000) Power Reference Codes . . . . . . . . 2-3
(0000) Control Panel Reference Codes 2-4
(2661) Twinaxial Workstation 1/0 Processor Reference Codes 2-5
(6104) Disk Unit Reference Codes 2-11
(6152) Communications Reference Codes 2-13
(6343) Tape Unit Reference Codes . . . . 2-14
(6601) Disk Unit Reference Codes 2-20
(9143, 9144) Multiple Function I/O Processor Reference Codes 2-22
(11-2 A1xx, B1xx, C1xx, D1xx, B123) Service Processor Reference Codes 2-27
(A6xx, B6xx, C6xx, D6xx) Vertical Licensed Internal Code (VUC)
Reference Codes . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
(A9xx, B9xx, C9xx) OS/400 Reference Codes . . . . . . . . . 2-45
(B001, B002, B003, BOO4) Communications Reference Codes 2-46
(B006) Common Licensed Internal Code Reference Codes 2-47
(B008, B014) Communications Reference Codes 2-49
(B30x, C30x) System Processor Reference Codes 2-50
Failing Item (FI) Code Table . . . . . . . 2-55
Type and Part Number List . . . . . . . . 2-62
Online Failing Item Cross Reference List 2-63
Chapter 3. Problem Isolation Procedures
3-1
Disk Unit Problem Isolation Procedures 3-2
DU-PIP1 3-2
DU-PIP3 . . . . . . . . . 3-2
DU-PIP4 . . . . . . . . . 3-5
Disk Unit FRU Locations 3-7
Power Problem Isolation Procedure 3-8
POW-PIP1 . . . . . . . . . . . . . . 3-8
© Copyright IBM Corp. 1993, 1994
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