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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.
Sensor CPU n OverTemp has
transitioned to critical from a less
severe state.
(n = microprocessor 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 baffle is in place
and correctly installed, and
that the server cover is
installed and completely
closed.
2. Make sure that the heat sink
for microprocessor n is
installed correctly.
3. (Trained service technician
only) Replace microprocessor
n.
(n = microprocessor number)
Sensor CPU n OverTemp has
transitioned to non-recoverable from
a less severe state.
(n = microprocessor number)
Error A sensor has changed to
Nonrecoverable 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 baffle is in place
and correctly installed, and
that the server cover is
installed and completely
closed.
2. Make sure that the heat sink
for microprocessor n is
installed correctly.
3. (Trained service technician
only) Replace microprocessor
n.
(n = microprocessor number)
Sensor CPU n OverTemp has
transitioned to critical from a
non-recoverable state.
(n = microprocessor number)
Error A sensor has changed to
Critical state from
Nonrecoverable state.
1. Make sure that the fans are
operating, that there are no
obstructions to the airflow,
that the air baffle is in place
and correctly installed, and
that the server cover is
installed and completely
closed.
2. Make sure that the heat sink
for microprocessor n is
installed correctly.
3. (Trained service technician
only) Replace microprocessor
n.
(n = microprocessor number)
156 ThinkServer TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530: Installation and User Guide