IBM 8685 Hardware Maintenance Manual - Page 111

Replacing a hot-swap fan

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Complete the following steps to install an additional power supply: 1. Review the information in "Before you begin" on page 41, "Handling static-sensitive devices" on page 42, and "Safety information" on page 169. 2. Select the power-supply bay in which you want to install the power supply. 3. Remove the fan assembly that covers the power-supply bay (see "Replacing a hot-swap fan"). 4. Move the handle on the power supply to the up (open) position. 5. Slide the power supply into the chassis, and lower (close) the handle. Hot-swap fan Release latch Power supply Release latch AC power LED DC power LED Handle (open position) 6. Plug one end of each power cord into the corresponding connector on the back of the server; then, plug the other end of each power cord into a properly grounded electrical outlet. Power supplies 1 and 3 (PS1 and PS3, respectively) are connected to the top power-cord connector in power-supply bay 1. Power supplies 2 and 4 (PS2 and PS4, respectively) are connected to the bottom power-cord connector in power-supply bay 1. 7. If the server is not on, turn on the server. 8. Verify that the dc power LED and the ac power LED on the power supply are lit, indicating that the power supply is operating properly. 9. Reinstall the fan assembly in front of the power-supply bay. Replacing a hot-swap fan Your server comes with nine hot-swap fans: six internal and three external. The internal fans consist of the front, center, and top rear fans. The front fans (1 and 2) are located inside the server in front of the air baffle, the top rear fans (fans 3 and 4) are located inside the server at the rear of the air baffle, and the center fans (fans 5 and 6) are located inside the server near the adapters. The external fans (fans 7 through 9) are located on the outside of the server in front of the power supplies. When a fan has failed or is operating slowly, the amber LED illuminates on that fan. You do not need to turn off the power to the server to replace a hot-swap fan. Chapter 4. Customer replaceable units 101

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Complete the following steps to install an additional power supply:
1.
Review the information in “Before you begin” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 169.
2.
Select the power-supply bay in which you want to install the power supply.
3.
Remove the fan assembly that covers the power-supply bay (see “Replacing a
hot-swap fan”).
4.
Move the handle on the power supply to the up (open) position.
5.
Slide the power supply into the chassis, and lower (close) the handle.
Handle
(open position)
AC power LED
DC power LED
Power supply
Release latch
Hot-swap fan
Release
latch
6.
Plug one end of each power cord into the corresponding connector on the back
of the server; then, plug the other end of each power cord into a properly
grounded electrical outlet. Power supplies 1 and 3 (PS1 and PS3, respectively)
are connected to the top power-cord connector in power-supply bay 1. Power
supplies 2 and 4 (PS2 and PS4, respectively) are connected to the bottom
power-cord connector in power-supply bay 1.
7.
If the server is not on, turn on the server.
8.
Verify that the dc power LED and the ac power LED on the power supply are lit,
indicating that the power supply is operating properly.
9.
Reinstall the fan assembly in front of the power-supply bay.
Replacing a hot-swap fan
Your server comes with nine hot-swap fans: six internal and three external. The
internal fans consist of the front, center, and top rear fans. The front fans (1 and 2)
are located inside the server in front of the air baffle, the top rear fans (fans 3 and
4) are located inside the server at the rear of the air baffle, and the center fans
(fans 5 and 6) are located inside the server near the adapters. The external fans
(fans 7 through 9) are located on the outside of the server in front of the power
supplies. When a fan has failed or is operating slowly, the amber LED illuminates
on that fan. You do not need to turn off the power to the server to replace a
hot-swap fan.
Chapter 4. Customer replaceable units
101