Chapter 1. Starting Problem Analysis
Starting Problem Analysis ..........3
System Service Library Structure.......3
Problem Analysis, Repair, and Parts ....3
Starting Point for All Problems .......4
Using the Service Action Log .........9
Using the Product Activity Log ........11
UsingtheProblemLog..........12
Handling Problems for Non-critical Resources . . . 13
Analyzing Intermittent Problems .......14
Safety ...............14
Special Tools and Equipment .......14
How to Use This Intermittent Problem Section . 15
Correcting Intermittent Problems ......15
What Is an Intermittent Problem? .....15
Hints for Correcting Intermittent Problems . . 15
Types of Intermittent Problems ......16
General Intermittent Problem Checklist ....16
How to Analyze the Intermittent Problem . . . 20
Intermittent Symptom Table ........20
Failing Area INT-PIP Table ........21
Analyzing IPL Problems ..........22
Start Analyzing IPL Problems Here .....22
Cannot Perform IPL from the Control Panel (No
SRC)................22
Cannot Perform IPL at a Specified Time (No
SRC)................23
Cannot Perform IPL from a Remote Location (No
SRC)................27
System Hangs or Loops (No SRC) .....31
Logical Partition Hangs or Loops (No SRC) . 34
Cannot Automatically Perform an IPL after a
PowerFailure ............36
Analyzing Power Problems .........37
Start Analyzing Power Problems Here ....37
Cannot Power On System Unit (No SRC) . . . 38
Cannot Power On Secondary Frame or Unit (No
SRC)................42
System or Expansion Unit Cannot Become
PoweredOff.............56
Starting Problem Analysis
System Service Library Structure
Problem Analysis, Repair, and Parts
The purpose of this book is to provide complete instructions for the task of
locating and repairing system problems. It uses directed procedures in a specific
logical order to accomplish this task. This book is not meant to teach theory of
operations. Therefore, there is no index to information that could cause further
problems with the system if it was not used correctly. References within the
directed procedures point to other sources of information, such as the iSeries Service
Functions, for more information about common tasks.
The Problem Analysis, Repair, and Parts book is broken into two main parts:
v Part one deals with problem isolation and determining which field replaceable
unit (FRU) needs to be replaced, if any.
v Part two deals with locating the FRU, including any addressing information
needed, and replacing it.
Towards that end, the Problem Analysis, Repair, and Parts book has the following
chapters:
© Copyright IBM Corp. 2000, 2001 3
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