IBM PS703 Service Manual page 38

Table 10. 1xxxyyyy SRCs (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved. If an action solves the problem, then you can stop performing the remaining actions.
v See Chapter 3, "Parts listing, type 7891," on page 225 to determine which components are CRUs and which
components are FRUs.
1xxxyyyy
Error Description
Codes
2640 VRM CP1 core pGood fault
2642 VRM CP1 array pGood fault
2647 12V "or-ing" FET short
2648 Blade power latch fault
26
Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)
Action
1. Go to "Checkout procedure" on page 176.
2. Perform one of the following:
a. If the location code reported with this SRC is Un-P2, replace
the expansion system-board assembly, as described in
"Removing the expansion unit for a PS704 blade server" on
page 237.
b. If the location code reported with this SRC is Un-P1, replace
the base system-board and chassis assembly, as described in
"Replacing the FRU system-board and chassis assembly" on
page 264.
1. Go to "Checkout procedure" on page 176.
2. Perform one of the following:
a. If the location code reported with this SRC is Un-P2, replace
the expansion system-board assembly, as described in
"Removing the expansion unit for a PS704 blade server" on
page 237.
b. If the location code reported with this SRC is Un-P1, replace
the base system-board and chassis assembly, as described in
"Replacing the FRU system-board and chassis assembly" on
page 264.
1. Go to "Checkout procedure" on page 176.
2. Perform one of the following:
a. If the location code reported with this SRC is Un-P2, replace
the expansion system-board assembly, as described in
"Removing the expansion unit for a PS704 blade server" on
page 237.
b. If the location code reported with this SRC is Un-P1, replace
the base system-board and chassis assembly, as described in
"Replacing the FRU system-board and chassis assembly" on
page 264.
1. Go to "Checkout procedure" on page 176.
2. Perform one of the following:
a. If the location code reported with this SRC is Un-P2, replace
the expansion system-board assembly, as described in
"Removing the expansion unit for a PS704 blade server" on
page 237.
b. If the location code reported with this SRC is Un-P1, replace
the base system-board and chassis assembly, as described in
"Replacing the FRU system-board and chassis assembly" on
page 264.