IBM IntelliStation A Pro 6224, Hardware Maintenance Manual And Troubleshooting Manual

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Chapter 6. Symptom-to-FRU index
Beep symptoms . . . . . . . . . . . . . . . . . . . . . . . . 84
No-beep symptoms . . . . . . . . . . . . . . . . . . . . . . . 85
POST error codes . . . . . . . . . . . . . . . . . . . . . . . . 86
Diagnostic error codes . . . . . . . . . . . . . . . . . . . . . . 89
System board error LEDs . . . . . . . . . . . . . . . . . . . . . 91
Microprocessor board LEDs . . . . . . . . . . . . . . . . . . . . 92
Error symptoms . . . . . . . . . . . . . . . . . . . . . . . . 92
ServeRAID error codes . . . . . . . . . . . . . . . . . . . . . . 99
POST (ISPR) error procedures . . . . . . . . . . . . . . . . . . 101
SCSI error codes . . . . . . . . . . . . . . . . . . . . . . . 103
Undetermined problems . . . . . . . . . . . . . . . . . . . . . 104
Problem determination tips . . . . . . . . . . . . . . . . . . . . 105
The symptom-to-FRU index lists symptoms, errors, and the possible causes. The
most likely cause is listed first. Use this symptom-to-FRU index to help you decide
which FRUs to have available when servicing the computer.
Notes:
1. The field replaceable unit (FRU) procedures in this manual are intended for
trained servicers who are familiar with IBM products. Customer replacement
units (CRUs) can be replaced by the customer. See Chapter 7, “Parts listing,
Type 6224,” on page 107 to determine if the component being replaced is a
CRU or a FRU.
2. Check the configuration before you replace a FRU. Configuration problems can
cause false errors and symptoms.
3. For IBM devices not supported by this index, refer to the manuals for those
devices.
4. Always start with “General checkout” on page 9.
5. Some tables have more than two columns; in those instances, more than one
column on the left is required to describe the error symptom. Take the action (or
replace the FRU) suggested first in the list in the column on the right-hand side,
then try the computer again to see whether the problem has been corrected
before taking further action.
6. Always try reseating a suspected component or reconnecting a cable before
replacing the component.
The left column of each table in this index lists error codes or messages, and the
right column lists one or more suggested actions or FRUs to replace.
The POST BIOS code displays POST error codes and messages on the screen.
© Copyright IBM Corp. 2004
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