To install any of the 10 replaceable fans, complete the following steps.
1 LED
2 Hot-swap fan
1. Orient the new fan over its position in the fan assembly bracket so that the LED
on top of the fan is toward the left side of the server.
2. Push the fan into the fan bracket assembly until it clicks into place.
3. Repeat until all the new or replacement fans are installed.
4. Install the cover (see “Installing the cover” on page 57).
5. Slide the server into the rack.
Removing a hot-swap power supply
Attention: The information in this document regarding installing and removing
power supplies and connecting and disconnecting power refers to ac power
supplies only. If the server contains dc power supplies, see the documentation that
comes with the dc power supplies. In a dc power environment, only trained service
personnel other than Lenovo service technicians are authorized to connect or
disconnect power to the dc power supply and to install and remove a dc power
supply.
Important: If the server has two power supplies and you remove either of them, the
server will not have redundant power; if the server power load then exceeds 835 W,
the server might not start or might not function correctly.
To remove a power supply, complete the following steps.
Chapter 4. Removing and replacing server components 93
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