Complete the following steps to perform the checkout procedure to identify systemproblems.001 IS THE SYSTEM PART OF A CLUSTER?YES. Schedule maintenance for the system. Shut down all systems relatedto the cluster. Run the storage test.NO. Go to step 002.002 IF THE SYSTEM 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. Ifan error is displayed, look up the first error in the “POST error codes”on page 77.7. Check the information LED panel system-error LED; if it is on, see“Light path diagnostics LEDs” on page 83.8. Check the system-error log and base-board management controller(BMC) log. If the system recorded an error, see Chapter 6,“Symptom-to-FRU index,” on page 73.9. Start the diagnostic programs.10. Check for the following responses:v One beepv Readable instructions or the main menu003 DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?NO. Find the failure symptom in Chapter 6, “Symptom-to-FRU index,” onpage 73.YES. Run the diagnostic programs. If necessary, see “Diagnostic programsand error messages” on page 14.If you receive an error, see Chapter 6, “Symptom-to-FRU index,” on page73.If the diagnostic programs were completed successfully and you stillsuspect a problem, see “Undetermined problems” on page 102.Diagnostic tools overviewThe following tools are available to help you diagnose and solve hardware-relatedproblems:v POST beep codesThe power-on self-test beep codes indicate the detection of a problem.– One beep indicates successful completion of POST, with no errors.– More than one beep indicates that POST detected a problem. Error messagesalso appear during startup if POST detects a hardware-configuration problem.See “POST error codes” on page 77 for a list of POST error codes.v Symptom-to-FRU indexThis index list problem symptoms, error codes, and steps to correct theproblems. See Chapter 6, “Symptom-to-FRU index,” on page 73 for moreinformation.v Diagnostic programs and error messages12 xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide
