• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See
Chapter 4 “Parts listing, Lenovo System x3550 M3 Type 4254 and 7944” on page 403 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
• Go to the IBM support website at
http://www.ibm.com/supportportal/ to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Error code
Description
Action
3818006
Opposite bank CRTM capsule signature
invalid
1. Switch the server firmware bank to the backup
bank (see
“Starting the backup server firmware”
on page 522
).
2. Run the Setup utility, select Load Default
Settings, and save the settings.
3. Switch the bank back to the primary bank.
4. (Trained service technician only) Replace the
system board.
3818007
CRTM update capsule signature invalid
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
3828004 AEM power capping disabled
1. Check the settings and the event logs.
2. Make sure that the Active Energy Manager feature
is enabled in the Setup utility. Select System
Settings ➙ Power ➙ Active Energy ➙ Capping
Enabled.
3. Update the server firmware to the latest level (see
“Updating the firmware” on page 513).
4. Update the IMM firmware to the latest level (see
“Updating the firmware” on page 513).
Diagnostic programs and messages
The diagnostic programs are the primary method of testing the major components of the server. As you run
the diagnostic programs, text messages are displayed on the screen and are saved in the test log. A
diagnostic text message indicates that a problem has been detected and provides the action you should
take as a result of the text message.
Make sure that the server has the latest version of the diagnostic programs. To download the latest version,
go to
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=SERV-DSA.
Utilities are available to reset and update the diagnostics code on the integrated USB flash device, if the
diagnostic partition becomes damaged and does not start the diagnostic programs. For more information
and to download the utilities, go to
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=SERV-DSA.
Running the diagnostic programs
Use this information to run the diagnostic programs.
Note: The DSA memory test might take up to 30 minutes to run. If the problem is not a memory problem,
skip the memory test.
318 System x3550 M3Problem Determination and Service Guide
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