Removing A Hot-Swap Fan Assembly - IBM System x3750 M4 Type 8722 Installation And Service Manual

9. Turn on the peripheral devices and the server.
10. Make sure that the ac power LED and the dc power LED on the power
supply are lit, indicating that the power supply is being supplied to the power
supply through the power cord. During normal operation, both ac and dc
power LEDs are lit. For other combinations of LEDs, see "Power-supply
LEDs" on page 164.

Removing a hot-swap fan assembly

Attention: To ensure proper server operation, replace a failed hot-swap fan
within 30 seconds.
To remove a hot-swap-fan, complete the following steps:
1. Read the safety information that begins on page "Safety" on page vii and
"Installation guidelines" on page 33.
2. If the server is in a rack, slide the server out of the rack.
3. Remove the top cover (see "Removing the server top cover" on page 206).
4. Pull the fan latch to the left to release the fan from the fan connector and pull
the fan out of the fan cage assembly.
Hot-swap fan
Hot-swap
fan error LED
Attention: To ensure proper operation, replace a failed hot-swap fan within 30
seconds.
5. If you are instructed to return the fan, follow all of the packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Fan latch
Chapter 6. Removing and replacing components
243