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4-4 SPARC Enterprise T2000 Server Service Manual • April 2007
4.2.2 Replacing a Fan
1. With the fan door held open, slide the replacement fan into the fan bay.
2. Apply firm pressure to fully seat the fan.
3. Verify that the LED on the replaced fan and the Top fan, Service Required, and
Locator LEDs are not lit.
4. Close the fan door.
5. If necessary, return the server to its normal position in the rack.
4.3 Hot-Swapping a Power Supply
The server’s redundant hot-swappable power supplies enable you to remove and
replace a power supply without shutting the server down, provided that the other
power supply is online and working.
The following LEDs are lit when a power supply fault is detected:
■ Front and rear Service Required LEDs.
■ Rear-FRU Fault LED on the front of the server
■ Amber Failure LED on the faulty power supply
If a power supply fails and you do not have a replacement available, leave the failed
power supply installed to ensure proper air flow in the server.
4.3.1 Removing a Power Supply
1. Identify which power supply (0 or 1) requires replacement (FIGURE4-2).
A lighted amber LED on a power supply indicates that a failure was detected. You
can also use the showfaults command at the sc> prompt.