Checkout Procedure; Diagnostic Tools Overview - IBM 8649 - Eserver xSeries 225 Maintenance And Troubleshooting Manual

Checkout procedure

Follow the steps in this procedure to identify system problems.

Diagnostic tools overview

The following tools are available to help you identify and resolve hardware-related
problems:
v POST beep codes and error messages
v Error logs
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IBM xSeries 225 Types 8649: Hardware Maintenance Manual and Troubleshooting Guide
001
IS THE SERVER PART OF A CLUSTER?
YES. Schedule maintenance for the system. Shut down all systems related
to the cluster. Run the storage test.
NO. Go to step 002 .
002
IF THE SERVER IS NOT PART OF A CLUSTER:
1. Turn off the server and all external devices.
2. Check all cables and power cords.
3. Set all display controls to the middle position.
4. Turn on all external devices.
5. Turn on the server.
6. Record any POST error messages that are displayed on the screen. If
an error is displayed, look up the first error in the "POST error codes"
on page 110.
7. Check the System Error log. If an error was recorded by the server, see
Chapter 6, "Symptom-to-FRU index," on page 101.
8. Start the diagnostic programs.
9. Check for the following responses:
v One beep.
v Readable instructions or the main menu.
003
DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?
NO. Find the failure symptom in Chapter 6, "Symptom-to-FRU index," on
page 101.
YES. Run the diagnostic programs. If necessary, see "Diagnostic programs,
error codes, and messages" on page 22.
If you receive an error, see Chapter 6, "Symptom-to-FRU index," on page
101.
If the diagnostic programs were completed successfully and you still
suspect a problem, see "Undetermined problems" on page 118.
The power-on self-test (POST) generates beep codes and messages to indicate
successful test completion or the detection of a problem. See "POST error codes
and messages" on page 21 for more information.
The POST error log contains the three most recent error codes and messages
that the server has generated during POST.
The System Error Log contains all the error messages that were issued during
POST.
To view the contents of the error logs, start the Configuration/Setup Utility
program; then, select Error Logs from the main menu. See "Viewing the System
Error log" on page 25 for more information.