https://pubs.lenovo.com/lxpm-overview/.
Intrusion switch replacement
Use this information to remove and install an intrusion switch.
The intrusion switch informs you that the server cover is not properly installed or closed by creating an event
in the system event log (SEL).
• “Remove an intrusion switch” on page 147
• “Install an intrusion switch” on page 149
Remove an intrusion switch
Use this information to remove an intrusion switch.
About this task
Attention:
• Read
“Installation Guidelines” on page 57 and “Safety inspection checklist” on page 58 to ensure that you
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 75.
• Keep static-sensitive parts in their static-protective packages until installation to prevent exposure to
static electricity. Handle the parts with an electrostatic-discharge wrist strap or other grounding systems.
Place the parts on a static-protective surface.
Procedure
Step 1. Remove the top cover. See
“Remove the top cover” on page 282.
Step 2. Remove the system fan-pack 2.
Figure 142. Removing fan-pack 2
Step 3. Remove the intrusion switch.
Chapter 5. Hardware replacement procedures 147
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