IBM BladeCenter JS12 Problem Determination And Service Manual page 34

Table 5. 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 7998," on page 235 to determine which components are CRUs and which
components are FRUs.
1xxxyyyy
Description
Error Codes
2633 1.2V reg_pgood fault
2640 VRM CP1 core pGood fault
2642 VRM CP1 cache pGood fault
2643 1.2V power good signal fault
2647 No 12V dc coming to the
blade server from the
BladeCenter midplane
2648 Blade power latch fault
2649 Blade power fault
2670 The BladeCenter encountered
a problem, and the blade
server was automatically shut
down as a result
2671 12V power fault in the blade
server
20
JS12 Type 7998: Problem Determination and Service Guide
Action
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.
1. Check the management-module event log for errors that
indicate a power problem with the BladeCenter.
2. Resolve any problems that are found.
3. Reboot the blade server.
4. If the problem is not resolved, replace the system-board and
chassis assembly, as described in "Replacing the Tier 2
system-board and chassis assembly" on page 274.
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.
1. Check the management-module event log for entries that were
made around the time that the JS12 blade server shut down.
2. Resolve any problems that are found.
3. Reboot the blade server.
4. If the problem is not resolved, replace the system-board and
chassis assembly, as described in "Replacing the Tier 2
system-board and chassis assembly" on page 274.
1. Go to "Checkout procedure" on page 186.
2. Replace the system-board and chassis assembly, as described in
"Replacing the Tier 2 system-board and chassis assembly" on
page 274.