+---+
|001|
+---+
- Power-off the computer and all external devices.
- Check all cables and power cords.
- Make sure there are no diskettes in the drives.
- Power-on all external devices.
- Power-on the computer.
ARE ANY EXTERNAL DEVICES ATTACHED TO THE SYSTEM UNIT?
+---+
Yes No-+002| Go to Step 005
| +---+
+-+-+
|003|
+---+
DID THE POWER-GOOD LIGHT ON ALL OF THE EXTERNAL DEVICES COME ON ?
+---+
Yes No-+004| Go to the external devices service pamphlet.
| +---+
+-+-+
|005|
+---+
DID YOU RECEIVE A POST ERROR CODE ?
+---+
Yes No-+006| Continue with 014
| +---+
+-+-+
|007|
+---+
IS THE FIRST POST ERROR CODE WITHIN THE
RANGE OF 02080000 190I To 02410000 190I ?
+---+
Yes No-+008| Continue with Step 014
| +---+
+-+-+
|009|
+---+
- Start the Reference Diskette and verify that the Enable and
Disable settings are correct. (For more information,
go to 'Enable and Disable Settings'
- If you get a warning message to instruct you to Keep and
Remove setting, follow the instructions on the screen
before continuing.
DID YOU HAVE TO CORRECT ANY OF THE SETTINGS ?
+---+
Yes No-+010| Go to 'Symptom-to-FRU Index'
| +---+ - Before replacing any SCSI devices
| verify that there are no duplicate
+-+-+ SCSI ID settings.
|011|
+---+
- Remove the Reference Diskette and restart the computer.
DID THE ERROR REMAIN?
+---+
Yes No-+012| If you suspect another problem,
| +---+ or wish to run System Checkout,
+-+-+ continue with Step 014
|013|
+---+
Go to 'Symptom-to-FRU Index'
+---+
|014|
+---+
- Insert your Reference Diskette.
- Press Ctrl+Alt+Del and check for the
following responses:
1. One or two short beeps.
2. IBM logo screen appears.
DID YOU RECEIVE THE RESPONSES LISTED ABOVE ?
+---+
Yes No-+015| Go to 'Symptom-to-FRU Index'
| +---+ If that does not correct the problem,
+-+-+ go to 'Undetermined Problems'
|016|
+---+
- Advance to the Main Menu.
- Press Ctrl+A and run System Checkout.
NOTE:
1. If the computer has incorrect keyboard responses,
go to
2. If the printer has incorrect responses, go to
3. If the external display has problems such as jittering, rolling,
shifting, or being out-of-focus, go to
4. A minimum of 512KB of memory must be active
to load the diagnostic tests.
IS THE LIST OF INSTALLED DEVICES CORRECT ?
+---+
Yes No-+017| Go to 'Checking Installed Devices'
| +---+
+-+-+
|018|
+---+
- Run the diagnostic tests. (See 'How to Run Advanced Diagnostics')
NOTE: If the test stops and you cannot continue,
replace the last device being tested.
DID THE TESTS IDENTIFY A FAILURE ?
+---+
Yes No-+019| Go to Step 021
| +---+
+-+-+
|020|
+---+
Follow the action described on the screen.
If that does not correct the problem
go to 'Symptom-to-FRU Index'
-----------------------------------------------------------------------
DID YOU RECEIVE A POST ERROR CODE ?
+---+
Yes No-+022| You might have an intermittent problem.
| +---+
| ° Check for damaged cables and connectors.
| ° Reseat all adapters, drives, and modules.
| ° Check the system unit fan for proper operation.
| ° Start an error log and run the tests multiple times.
+-+-+ ° Go to 'Undetermined Problem'
|023|
+---+
Go to 'Symptom-to-FRU Index'
If that does not correct the problem, go to 'Undetermined Problem'
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.