IBM 8649 Hardware Maintenance Manual - Page 33
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UPC - 000435133427
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Diagnostic error messages indicate that a problem exists. They are not 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. Chapter 6, "Symptom-to-FRU index," on page 101 contains the error codes that might appear in the detailed test log and summary log when the diagnostic programs are run. 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. (These codes are for trained service personnel; see "Diagnostic error codes" on page 103). iii is the three-digit device ID. (These codes are for trained service personnel; see "Diagnostic error codes" on page 103). date is the date that the diagnostic test was run and the error recorded. cc is the check value that is used to verify the validity of the information. text message is the diagnostic message that indicates the reason for the problem. Chapter 3. Diagnostics 23