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Checkout procedure
1. IS THE SYSTEM 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:
v Power-off the computer and all external devices.
v Check all cables and power cords.
v Set all display controls to the middle position.
v Power-on all external devices.
v Power-on the computer.
v 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 110
v Check the information LED panel System Error LED; if on, see “Diagnostic
panel error LEDs” on page 101
v Check the System Error Log. If an error was recorded by the system, see
“Symptom-to-FRU index” on page 97
v Start the Diagnostic Programs. See “Diagnostic programs and error
messages” on page 13
v 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 97
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 97
If the diagnostics completed successfully and you still suspect a problem, see
“Undetermined problems” on page 122
2 IBM xSeries 350 Type 8682: Hardware Maintenance Manual