13. Have you installed all of the power supplies that were removed in step 7 on
page 509 of this procedure?
Yes No
↓ Repeat step 12 on page 510 of this procedure.
14. Install all units removed in this procedure.
This ends the procedure.
15. Perform the following:
a. Power off the system.
b. Install one of the regulators that was removed in step 2 on page 509 of this
procedure.
c. Remove all bus load (processor, memory, and IOP except Clock card).
d. Power on the system.
Is the SRC 1xxx 1200 displayed?
No Yes
↓ The regulator installed in this step is the failing item.
This ends the procedure.
16. Have you installed all of the regulators that were removed in step 2 on
page 509 of this procedure?
Yes No
↓ Go to step 15 of this procedure.
This ends the procedure.
CACHBAT
The cache battery pack may be failing. Use the cache battery pack location
information in the Service Action Log if it is available. If the location is not
available, find the address of the storage IOA. See “SRC Address Formats” on
page 936. Use the address to find the location. See “Locations and Addresses” on
page 705.
If the failing item is in a migration tower, go to the CACHBAT symbolic FRU in
the Migrated Expansion Tower Problem Analysis, Repair and Parts.
Using the type number of the storage IOA, go to “Type, Model, and Part Number
list” on page 885 to determine the cache battery pack part number.
To exchange the cache battery pack, see “Type 2748, 2763, 2778 – Cache Battery
Pack” on page 684.
This ends the procedure.
CACHE
The cache adapter card is only a separate failing item on migrated towers. If the
cache adapter card is located in a migrated tower, see the CACHE symbolic FRU
in Migrated Expansion Tower Problem Analysis, Repair and Parts for FRU isolation
instructions.
This ends the procedure.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 511
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