The following table is an index to the checkpoints, error codes, or System Reference
Codes (SRC) that you may receive to help diagnose a failure. Locate the code you
received and follow the instructions to determine your next step.
Table 4. Checkpoints, Error Codes, and SRC Index
First 4
characters of
code
Type of Code What You Should Do
0000 Operator Panel Reference Codes Go to “(0000) Operator Panel Reference Codes” on
page 187 and follow the instructions in the SRC table.
1xxx System power control network (SPCN)
reference codes
Go to “(1xxx) System Power Control Network (SPCN)
Reference Codes” on page 189 and follow the instructions
in the SRC table.
2xxx Firmware error codes Go to “Firmware/POST Error Codes” on page 159 and
follow the instructions in the Firmware Error Codes tables.
4xxx Service processor error codes Go to “Firmware/POST Error Codes” on page 159 and
follow the instructions in the Service processor Error Codes
table.
A1xx Service processor reference codes Go to “(A1xx, B1xx) Service processor Reference Codes”
on page 216 and follow the instructions in the SRC table.
B006 Common firmware reference codes Go to “(B006) Common Firmware Reference Codes” on
page 218 and follow the instructions in the SRC table.
B1xx Service processor reference codes Go to “(A1xx, B1xx) Service processor Reference Codes”
on page 216 and follow the instructions in the SRC table.
B4xx System processor reference codes Go to “(B4xx) System Processor Reference Codes” on
page 220 and follow the instructions in the SRC table.
C1xx System processor checkpoints These codes are checkpoints that display on the operator
panel during IPL of the system. You may suspect that the
IPL is not advancing correctly when the six rightmost
characters do not change for two minutes. The IPL may
take longer with more I/O units and main storage.
C3xx IPL status checkpoints These codes are checkpoints that display on the operator
panel during IPL of the system. You may suspect that the
IPL is not advancing correctly when the six rightmost
characters do not change for two minutes. The IPL may
take longer with more I/O units and main storage.
Go to “Chapter 4. Checkpoints” on page 135 for information
about these checkpoints.
D106 8000 AIX dump not enabled Informational code
D182 3080 AIX dump in progress Informational code
D1xx 8xxx Power coming down Informational code
D1xx xxxx Service processor General Status
SRCs
If you suspect a problem, ask your next level of support for
assistance.
Mxxx Problem Determination Generated
Error Codes
Go to “Firmware/POST Error Codes” on page 159 and
follow the instructions in the Firmware Error Codes tables.
158 Service Guide
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