Lenovo ThinkServer RD630 - Manual (Page 160)

What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to “Completing the parts replacement” on page 155.
Replacing the diagnostic module
This topic provides instructions on how to replace the diagnostic module. For detailed information about the
diagnostic module, see “Diagnostic module” on page 21.
This topic contains the following items:
• Replacing the diagnostic module for server models with 3.5-inch hard disk drives
• Replacing the diagnostic module for server models with 2.5-inch hard disk drives
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Depending on the model, your server and diagnostic module might look slightly different from the
illustrations in this topic.
Replacing the diagnostic module for server models with 3.5-inch hard disk drives
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 71.
To replace the diagnostic module for server models with 3.5-inch hard disk drives, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 73.
4. Locate the diagnostic module. See “Server components” on page 30.
5. Disconnect the cable from the rear of the diagnostic module.
148 ThinkServer User Guide