Use this information to understand how system reference
codes (SRCs) work.
An SRC is a sequence of data words (codes) that perform the following
actions:
- Identifies a system status
- Describes a detected hardware, Licensed Internal Code, or software
failure
- Describes the unit that is reporting the failure and its location.
The SRCs can be displayed on the control panel, can appear in a system
console message, or can appear in the product activity log.
The system uses the following procedure to gather information about
errors:
- The system gathers information about an error as the system detects
the error.
- The product activity log (PAL) records and stores the error information. When using IBM® i the Service Action
Log (SAL) serves a similar purpose as the PAL. The SAL uses an error
analysis framework to analyze the error and details the recommended
repair actions. When using IBM i,
the SAL should always reviewed first before using the PAL.
- An SRC encodes information that is used to evaluate or identify
a system-detected hardware or software error, failure, or status.
The failure information might include the failing condition or part
(or unit) that can be exchanged or replaced and its location.
- The SRC links to the problem determination procedure when the
element detecting the failure cannot isolate the failing condition.
- The SRC link completes the isolation process.
In summary, the SRC provides the first-failure-data-capture information.
The customer or support representative uses SRCs during problem determination,
repair actions, and verification. The SRC provides a link to the problem
determination procedures (hardcopy or softcopy). Use the SRC and the
problem determination procedures to isolate the problem.
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