Specifications

Note: Certain checkpoints may remain in the display for long periods of time.
A spinning cursor is visible in the upper-right corner of the display
during these periods to indicate that system activity is continuing.
Error Codes
If a fault is detected, an 8-digit error code is displayed in the operator panel
display. A location may be displayed at the same time on the second line of
the display.
Checkpoints can become error codes if the system fails to advance past the
point at which the code was presented.
For a list of checkpoints, see Chapter 4, “Checkpoints” on page 77. Each entry
provides a description of the event and the recommended action if the system
fails to advance.
SRNs Service request numbers, in the form xxx-xxx or xxx-xxxx, may also be
displayed on the operator panel display and be noted in the AIX error log.
SRNs are listed in the
Diagnostic Information for Multiple Bus Systems , order
number SA23-2769.
FRU Isolation
For a list of error codes and recommended actions for each code, see Chapter 5, “Error
Code to FRU Index” on page 99. These actions can refer to Chapter 10, “Parts
Information” on page 365, Chapter 3, “Maintenance Analysis Procedures (MAPs)” on
page 37, or provide informational message and directions. If a replacement part is
indicated, direct reference is made to the part name. The respective AIX and physical
location codes are listed for each occurrence as required. For a list of locations codes,
see “AIX and Physical Location Code Reference Tables” on page 20.
To look up part numbers and view component diagrams, see Chapter 10, “Parts
Information” on page 365. The beginning of the chapter provides a parts index with the
predominant field replaceable units (FRUs) listed by name. The remainder of the
chapter provides illustrations of the various assemblies and components which make up
these servers.
Chapter 2. Diagnostics Overview 35