Power Error Messages - IBM 7870B4U Service Manual

Power error messages

Use this information to diagnose and resolve power error messages for the blade
server.
Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved. Power to the blade server is provided by
shared BladeCenter unit resources. See the following table and "Solving shared
BladeCenter resource problems" on page 227.
v See Chapter 4, "Parts listing," on page 41 to determine which components are CRUs and which components
are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Message
System Power Good fault
VRD Power Good fault
System over recommended voltage for +12
V.
Action
1. Reseat the blade server - See "Removing the blade server from the
BladeCenter unit" on page 52 and "Installing the blade server in a
BladeCenter unit" on page 53.
2. Check the function of the shared BladeCenter unit resources. See
"Solving shared BladeCenter resource problems" on page 227.
3. If an optional expansion unit is installed, reseat it - See
"Removing an optional expansion unit" on page 84 and
"Installing an optional expansion unit" on page 85.
4. Replace the following components one at a time, in the order
shown, restarting the blade server each time:
a. Optional expansion unit (if one is installed) - See "Removing
an optional expansion unit" on page 84 and "Installing an
optional expansion unit" on page 85.
b. (Trained service technician only) System-board assembly - See
"Removing the system-board assembly" on page 97 and
"Installing the system-board assembly" on page 98.
1. Reseat the blade server - See "Removing the blade server from the
BladeCenter unit" on page 52 and "Installing the blade server in a
BladeCenter unit" on page 53.
2. Check the function of the shared BladeCenter unit resources. See
"Solving shared BladeCenter resource problems" on page 227.
3. (Trained service technician only) Replace the system-board
assembly - See "Removing the system-board assembly" on page
97 and "Installing the system-board assembly" on page 98.
Informational only.
Note: If the problem remains, complete the following steps:
1. Reseat the blade server - See "Removing the blade server from the
BladeCenter unit" on page 52 and "Installing the blade server in a
BladeCenter unit" on page 53.
2. Check the function of the shared BladeCenter unit resources. See
"Solving shared BladeCenter resource problems" on page 227.
3. (Trained service technician only) Replace the system-board
assembly - See "Removing the system-board assembly" on page
97 and "Installing the system-board assembly" on page 98.
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Chapter 6. Diagnostics