v Expansion I/O tower (FC 5077) – part 21H4829
This ends the procedure.
10. Is the SRC 1xxx 6x38 or 6x3A?
No Yes
↓ Power regulator 2 is the failing item.
Perform ″SPCN-PIP1″ in Migrated Expansion Tower Problem Analysis,
Repair and Parts to determine the failing item.
The following list shows the possible failing items:
v System Unit Expansion (FC 507x) – part 87G6049
v Storage Expansion Tower (FC 508x) – see the next FRU in the SRC
list.
v Expansion I/O tower (FC 5077) – part 21H4829
This ends the procedure.
11. Is the SRC 1xxx 6x58?
No Yes
↓ Power regulator 3 is the failing item.
The following list shows the possible failing items:
v System Unit Expansion (FC 507x) – no regulator installed, see the
next FRU in the SRC list.
v Storage Expansion Tower (FC 508x) – no regulator installed, see the
next FRU in the SRC list.
v Expansion I/O tower (FC 5077) – part 21H4829
This ends the procedure.
12. Is the SRC 1xxx 7201, 7202, 7203, or 7401?
No Yes
↓ One of the power regulators is the failing item.
The following list shows the possible failing items:
v System Unit Expansion (FC 507x) – part 87G6049
v Storage Expansion Tower (FC 508x) – part 17G1209
v Base I/O tower (FC 5077) – part 21H4829
v Symbolic FRU BATCHGR
This ends the procedure.
13. Is the SRC 1xxx B101 or B102?
No Yes
↓ If the system can be powered on with this SRC, perform symbolic
FRU BATCHGR, and then continue.
One of the power regulators is the failing item.
The following list shows the possible failing items:
v System Unit – part 23L3603 OR 21H7763
v System Unit Expansion (FC 507x) – part 87G6049
v Storage Expansion Tower (FC 508x) – part 17G1209
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 575
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