Follow the steps in this procedure to identify system problems.
001 IS THE SERVER PART OF A CLUSTER?
YES. Schedule maintenance for the system. Shut down all systems related to the cluster.
NO. Go to step 002.
002 IF THE SERVER IS NOT PART OF A CLUSTER:
If the operating system is running, do the following:
1.Check the Light Path. Go to “Light Path Diagnostics feature” on page 36 for more information.
2.Check the service processor
a.If the
b.If the
If the operating system is not running, do the following:
1.Check the Light Path. Go to “Light Path Diagnostics feature” on page 36 for more information.
2.Check the service processor
a.If the error log indicates a damaged field replaceable unit (FRU), replace the FRU, and run the AMIDiag program to confirm that the problem has been solved.
b.If the error log does not indicate a damaged FRU, see “Undetermined problems” on page 185
3.Turn off the server and all external devices.
4.Check all cables and power cords.
5.Set all display controls to the middle position.
6.Turn on all external devices.
7.Turn on the server.
8.Monitor the screen and the serial port for POST errors, and record any POST error messages that are displayed on the screen. If an error is displayed, look up the first error in the “SAL/EFI messages” on page 150.
9.When the EFI Boot Manager starts, select Diagnostic from the menu, and press Enter to start the AMIDiag program.
003 DID THE DIAGNOSTIC PROGRAM START?
NO. Find the failure symptom in “Error symptoms” on page 176.
YES. Run the diagnostic programs. If necessary, see “Diagnostic programs, error codes, and messages” on page 38.
If you receive an error, see Chapter 6,
If the diagnostic programs were completed successfully and you still suspect a problem, see “Undetermined problems” on page 185.
If the server does not turn on, see “Error symptoms” on page 176.
34IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide
