Table 6. IMM error messages (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 4, “Parts listing, System x3550 M3 Types 4254 and 7944,” on page 159 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.
Memory Logging Limit Reached for
DIMM nStatus on Memory Subsystem
DIMMnStatus.
(n = DIMM number)
Error The memory logging limit
has been reached.
1. Update the server
firmware to the latest
level (see “Updating
the firmware” on page
255).
Important: Some
cluster solutions
require specific code
levels or coordinated
code updates. If the
device is part of a
cluster solution, verify
that the latest level of
code is supported for
the cluster solution
before you update the
code.
2. Reseat the DIMMs and
run the DSA memory
test.
3. Replace any DIMM
that is indicated by a lit
error LED.
Memory DIMM Configuration Error for
DIMM nStatus on Memory Subsystem
DIMM nStatus.
(n = DIMM number)
Error A DIMM configuration error
has occurred.
Make sure that DIMMs are
installed in the correct
sequence and have the
same size, type, speed,
and technology.
Sensor DIMM n Temp has transitioned
to critical from a less severe state.
(n = DIMM number)
Error A sensor has changed to
Critical state from a less
severe state.
1. Make sure that the
fans are operating, that
there are no
obstructions to the
airflow, that the air
baffles are in place and
correctly installed, and
that the server cover is
installed and
completely closed.
2. Make sure that
ambient temperature is
within the
specifications.
3. If a fan has failed,
complete the action for
a fan failure.
4. Replace DIMM n.
(n = DIMM number)
Chapter 3. Diagnostics 65
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