IBM XSERIES 220 manual If the System is not Part of a Cluster

YES. Schedule maintenance with the customer. Shut down all systems related to the cluster. Run storage test.

NO. Go to step 2.

2.IF THE SYSTEM IS NOT PART OF A CLUSTER:

•Power-off the computer and all external devices.

•Check all cables and power cords.

•Set all display controls to the middle position.

•Power-on all external devices.

•Power-on the computer.

•Record any POST error messages displayed on the screen. If an error is displayed, look up the first error in the “POST error codes” on page 119.

•Check the diagnostic LED panel system error LED; if on, see “Front panel and system board LEDs” on page 18.

•Check the System Error Log. If an error was recorded by the system, see “Symptom-to-FRU index” on page 111.

•Start the Diagnostic Programs. See “Diagnostic programs and error messages” on page 13.

•Check for the following responses:

a.One beep.

b.Readable instructions or the Main Menu.

3.DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?

NO. Find the failure symptom in “Symptom-to-FRU index” on page 111.

YES. Run the Diagnostic programs. If necessary, refer to “Diagnostic programs and error messages” on page 13.

If you receive an error, go to“Symptom-to-FRU index” on page 111 .

If the diagnostics completed successfully and you still suspect a problem, see “Undetermined problems” on page 124.

2Hardware Maintenance Manual: xSeries 220