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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the ″Parts Listing″ section in the Hardware Maintenance Manual to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Error code Description Action
0051009 No memory detected
1. Make sure that the server contains DIMMs.
2. Reseat the DIMMs.
3. Install DIMMs in the correct sequence (see
“Installing a memory module” on page 38).
005100A No usable memory detected
1. Make sure that the server contains DIMMs.
2. Reseat the DIMMs.
3. Install DIMMs in the correct sequence (see
“Installing a memory module” on page 38).
4. Clear CMOS memory to re-enable all the memory
connectors.
0058001 PFA threshold exceeded
1. Update the firmware (see“Updating the firmware”
on page 122).
2. Reseat the DIMMs and run the memory test.
3. Replace the failing DIMM, which is indicated by a
lit LED on the system board.
0058007 DIMM population is unsupported
1. Reseat the DIMMs, and then restart the server.
2. Remove the lowest-numbered DIMM pair of those
that are identified, replace it with an identical pair
of known good DIMMs, and then restart the
server. Repeat as necessary. If the failures
continue, go to step 4.
3. Return the removed DIMMs, one pair at a time, to
their original connectors, restarting the server
after each pair, until a pair fails. Replace the
DIMMs in the failed pair with identical known
good DIMMs, restarting the server after each
DIMM is installed. Replace the failed DIMM.
Repeat this step until you have tested all
removed DIMMs.
4. (Trained service technician only) Replace the
system board.
0058008 DIMM failed memory test
1. Reseat the DIMMs, and then restart the server.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. DIMMs
b. (Trained service technician only) System
board
00580A1 Invalid DIMM population for mirroring mode
1. If a fault LED is lit, resolve the failure.
2. Install the DIMMs in the correct sequence (see
“Installing a memory module” on page 38).
00580A4 Memory population changed Information only. Memory has been added, moved, or
changed.
Chapter 8. Troubleshooting 147