A lit amber LED on a power supply indicates that a failure was detected. You can also use the Oracle ILOM show Systems/Open_Problems command at the Oracle ILOM prompt (->) to identify a power supply failure.
Note - The fans of a failed power supply may still be spinning when the system is powered on. You can remove a power supply while the fans are still spinning.
Figure 50 Removing a Power Supply
1 Power Supply 0 (PS0)
2 Power Supply 1 (PS1)
Caution - Whenever you remove a power supply, you should replace it with another power supply; otherwise, the server might overheat due to improper airflow.