IBM 86645RY Hardware Maintenance Manual - Page 15

Notes, IS THE SYSTEM PART OF A CLUSTER?, Check the information LED panel System Error LED; if - computers

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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 194. 4. If the computer hangs and no error is displayed, go to "Undetermined problems" on page 215. 5. Power Supply problems, see "Symptom-to-FRU index" on page 194. 6. Safety information, see "Safety information" on page 230. 7. For intermittent problems, check the error log; see, "POST Error Log" on page 36. 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. - Record any POST error messages displayed on the screen. If an error is displayed, look up the first error in the "Symptom-to-FRU index" on page 194. - Check the information LED panel System Error LED; if on, see "Light path diagnostics" on page 13. - Check the System Error Log. If an error was recorded by the system, see "Symptom-to-FRU index" on page 194. - Start the Diagnostic Programs. See "Running diagnostic programs" on page 10. - Check for the following responses: 1. One beep. 2. Readable instructions or the Main Menu. (Step 004 continues) Netfinity 5600 - Type 8664 7

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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
194.
4.
If the computer hangs and no error is displayed,
go to “Undetermined problems” on page
215.
5.
Power Supply problems, see “Symptom-to-FRU
index” on page
194.
6.
Safety information, see “Safety information” on
page 230.
7.
For intermittent problems, check the error log;
see, “POST Error Log” on page
36.
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.
–
Record any POST error messages displayed on the
screen.
If an error is displayed, look up the first error in
the “Symptom-to-FRU index” on page
194.
–
Check the information LED panel System Error LED; if
on, see “Light path diagnostics” on page
13.
–
Check the System Error Log.
If an error was recorded
by the system, see “Symptom-to-FRU index” on
page 194.
–
Start the Diagnostic Programs.
See “Running diagnostic
programs” on page
10.
–
Check for the following responses:
1.
One beep.
2.
Readable instructions or the Main Menu.
(Step
004
continues)
Netfinity 5600 - Type 8664
7