Analyze Hardware Problems - IBM iSeries Series Hardware Problem Analysis And Isolation

Analyze hardware problems

For use by authorized service providers.
This information is intended to provide authorized IBM service providers with complete instructions for
locating, diagnosing, and repairing problems on system Models 270, 800, 810, 820, 825, 830, 840, 870,
890, SB2, and SB3.
Before using this information and the product it supports, be sure to read the information in Safety and
environmental notices.
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"Start problem analysis" on page 2
This topic serves as the starting point for all service actions. You will be directed on where and how
to begin diagnosing your problem. This topic also includes procedures for problems that occur
without a system reference code (SRC), such as a system that will not power on.
System reference codes
This topic uses a system reference code on the problem summary form to find a list of possible
failing items or point to additional isolation procedures (if available). System reference codes (SRCs)
can appear on the control panel, the Product Activity Log (PAL), the Main Storage Dump Manager
display, or on various displays within DST or SST.
"Problem isolation" on page 61
This topic will guide you through diagnosing the problem and determining which field replaceable unit
(FRU) needs replacing, if any.
Remove and replace procedures
The remove and replace procedures will help you to exchange field replaceable units (FRUs).
Part locations and listings
This topic contains information on part locations and addresses, part assembly diagrams, and a FRU
part listing with descriptions and part numbers.
Data recovery and general information
This topic contains procedures for recovering from disk unit failures as well as general information
about various system attributes and functions.
Forms
This topic contains various forms to assist you in using the Analyze hardware problems information.
Terminology
Find definitions to many concepts and terms used throughout this information.
Related information
This topic contains links to manuals (in PDF format), Web sites, and Information Center topics that
relate to the Analyze hardware topic.
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