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Diagnostics 13
Diagnostic programs and error messages
The server diagnostic programs are stored in upgradable read-only memory (ROM)
on the system board. These programs are the primary method of testing the major
components of the server.
Diagnostic error messages indicate that a problem exists; they are not necessarily
intended to be used to identify a failing part. Troubleshooting and servicing of
complex problems that are indicated by error messages should be performed by
trained service personnel.
Sometimes the first error to occur causes additional errors. In this case, the server
displays more than one error message. Always follow the suggested action
instructions for the first error message that appears.
The following sections contain the error codes that might appear in the detailed test
log and summary log when running the diagnostic programs.
The error code format is as follows:
fff-ttt-iii-date-cc-text message
where:
fff is the three-digit function code that indicates the function being
tested when the error occurred. For example, function code 089 is for
the microprocessor.
ttt is the three-digit failure code that indicates the exact test failure that
was encountered.
SCSI Messages Description
All One or more of the following might be causing the problem.
• A failing SCSI device (adapter, drive, controller)
• An improper SCSI configuration
• Duplicate SCSI IDs in the same SCSI chain
• An improperly installed SCSI terminator
• A defective SCSI terminator
• An improperly installed cable
• A defective cable
Action:
Verify that:
• The external SCSI devices are turned on. External SCSI devices must
be turned on before the server.
• The cables for all external SCSI devices are connected correctly.
• The last device in each SCSI chain is terminated properly.
• The SCSI devices are configured correctly.
If the above items are correct, run the diagnostic programs to obtain
additional information about the failing device. If the error remains or
recurs, call for service.
Table 1. SCSI messages.