IBM 865951Y Hardware Maintenance Manual - Page 14

Notes, Is The System Part Of A Cluster?, Did You Receive The Correct Responses? - computers

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(CONTINUED) Notes 1. For systems that are part of a shared DASD cluster, run one test at a time in looped mode. Do not run all tests in looped mode, as this could enable the DASD diagnostic tests. 2. If multiple error codes are displayed, diagnose the first error code displayed. 3. If the computer hangs with a POST error, go to the "Symptom-to-FRU index" on page 152. 4. If the computer hangs and no error is displayed, go to "Undetermined problems" on page 165. 5. Power Supply problems, see "No beep symptoms" on page 155. 6. Safety information, see "Safety information" on page 176. 7. For intermittent problems, check the error log; see, "Error log" on page 31. 001 IS THE SYSTEM PART OF A CLUSTER? Yes No 002 Go to Step 004. 003 Schedule maintenance with the customer. Shut down all systems related to the cluster. Run storage test. 004 - 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. - Check the error log, see "Error log" on page 31. If an error was recorded by the system, see "Symptom-to-FRU index" on page 152. - Start the Diagnostic Programs. See "Running Diagnostic test programs" on page 12. - Check for the following responses: 1. No beep. 2. Readable instructions or the Main Menu. DID YOU RECEIVE THE CORRECT RESPONSES? Yes No 005 Find the failure symptom in "Symptom-to-FRU index" on page 152. 6 Netfinity Server HMM

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(CONTINUED)
Notes
1.
For systems that are part of a shared DASD
cluster, run one test at a time in looped mode.
Do not run all tests in looped mode, as this could
enable the DASD diagnostic tests.
2.
If multiple error codes are displayed, diagnose
the first error code displayed.
3.
If the computer hangs with a POST error, go to
the “Symptom-to-FRU index” on page
152.
4.
If the computer hangs and no error is displayed,
go to “Undetermined problems” on page
165.
5.
Power Supply problems, see “No beep
symptoms” on page
155.
6.
Safety information, see “Safety information” on
page 176.
7.
For intermittent problems, check the error log;
see, “Error log” on page
31.
001
IS THE SYSTEM PART OF A CLUSTER?
Yes
No
002
Go to Step 004.
003
Schedule maintenance with the customer.
Shut down all
systems related to the cluster.
Run storage test.
004
–
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.
–
Check the error log, see “Error log” on page
31.
If an
error was recorded by the system, see
“Symptom-to-FRU index” on page
152.
–
Start the Diagnostic Programs.
See “Running
Diagnostic test programs” on page
12.
–
Check for the following responses:
1.
No beep.
2.
Readable instructions or the Main Menu.
DID YOU RECEIVE THE CORRECT RESPONSES?
Yes
No
005
Find the failure symptom in “Symptom-to-FRU index”
on page
152.
6
Netfinity Server HMM