Chapter 6. Removing and replacing components
This topic provides information about removing and replacing a customer replaceable unit or a field
replaceable unit.
Note: The information and procedures in this documentation apply to both the 4-socket and the 8-socket
configurations of the server, unless otherwise specified. Most of the illustrations in the documentation uses
the 4-socket configuration of the server.
Replaceable components are of three types:
• Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If a Lenovo
approved warranty service provider installs a Tier 1 CRU at your request, you will be charged for the
installation.
• Tier 2 customer replaceable unit (CRU): You may install a Tier 2 CRU yourself or request a Lenovo
approved warranty service provider to install it, at no additional charge, under the type of warranty service
that is designated for your server.
• Field replaceable unit (FRU): FRUs must be installed only by Trained service technicians.
See Chapter 5 “Parts listing, System x3850 X6 and x3950 X6 Type 6241” on page 201 to determine whether
a component is a Tier 1 CRU, Tier 2 CRU, or FRU that must be replaced only by a trained service technician.
For information about the terms of the warranty, see the Lenovo Warranty Information document that comes
with the server.
For more information about getting service and assistance, see Appendix E “Getting help and technical
assistance” on page 1951.
Returning a device or component
This topic provides information about returning a device or component.
If you are instructed to return a device or component, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
Removing and replacing server components
This topic provides information about removing and replacing server components.
This section provides information for removing and replacing components in the server.
Note: The information and procedures in this documentation for removing and replacing components apply
to both the 4-socket and the 8-socket configurations of the server, unless otherwise specified. Most of the
illustrations in the documentation uses the 4-socket configuration of the server.
Removing and replacing consumable parts
This topic provides information about removing and replacing consumable parts.
Replacement of consumable parts is your responsibility. If a Lenovo approved warranty service provider
installs a consumable part at your request, you will be charged for the installation.
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