• See “
Parts listing - BladeCenter HX5
” on page 57 to determine which components are CRUs and which
components are FRUs.
• If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Message
Action
System under recommended voltage for
+3.3 V.
Informational only.
Note:
If the problem remains, complete the following steps:
1. Reseat the blade server. See “Removing the blade server from the
BladeCenter chassis” on page 66 and “Installing a blade server in
a BladeCenter chassis” on page 67.
2. Check the function of the shared BladeCenter chassis resources.
See “Solving shared BladeCenter resource problems” on page
269.
3. (Trained service technician only) Replace the system-board
assembly. See “Removing the system-board assembly -
BladeCenter HX5” on page 140 and “Installing the system-board
assembly - BladeCenter HX5” on page 142.
System under recom5 V fault.
Informational only.
Note:
If the problem remains, complete the following steps:
1. Reseat the blade server. See “Removing the blade server from the
BladeCenter chassis” on page 66 and “Installing a blade server in
a BladeCenter chassis” on page 67.
2. Check the function of the shared BladeCenter chassis resources.
See “Solving shared BladeCenter resource problems” on page
269.
3. (Trained service technician only) Replace the system-board
assembly. See “Removing the system-board assembly -
BladeCenter HX5” on page 140 and “Installing the system-board
assembly - BladeCenter HX5” on page 142.
Power problems
Use this information to diagnose and resolve power problems for the blade server.
IBM continually updates the support website with tips and techniques that you can use to resolve any
problems that you might be having with the BladeCenter HX5 blade server. Go to the BladeCenter support
search website at http://www.ibm.com to see if any service bulletins have been generated. In the Search
field, enter the following terms: 7872, retain tip, and power.
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
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