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Processor heat sink replacement
Follow instructions in this section to remove and install the processor heat sink.
Attention: Before reusing a processor or heat sink, make sure you use Lenovo proven alcohol cleaning pad
and thermal grease.
Important: The processor in your server can throttle in response to thermal conditions, temporarily lowering
its speed to reduce heat output. In instances where a few processor cores are throttled for an extremely
short time period (100 ms or less), the only indication might be an entry in the operating system event log
with no corresponding entry in the system XCC event log. If this situation occurs, the event can be ignored
and processor replacement is not required.
Remove the processor heat sink
Follow instructions in this section to remove the processor heat sink. This procedure must be executed by a
trained technician.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
S012
CAUTION:
Hot surface nearby.
About this task
Attention:
• Read
"Installation Guidelines" on page 47
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
ThinkEdge SE360 V2 User Guide
222
and
"Safety inspection checklist" on page 48
54.
to ensure that you
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Table of Contents
Troubleshooting
