Replacing the 8248-L4T, 8408-E8D, or 9109-RMD power supply with the power turned off

Learn how to replace a power supply with the system power turned off.

1. Remove the power supply. For instructions, see Removing the 8248-L4T, 8408-E8D, or 9109-RMD power supply with the power turned off.
2. Align the power supply with the bay and slide the new power supply into the system until the latch locks in place, as shown in Figure 1.
3. Reconnect the power cable (A) to the power supply, as shown in Figure 1.
   Note: This system is equipped with a second power supply. Before continuing with this procedure, connect all power sources to the system.
   Figure 1. Replacing a power supply

   
4. Start the system. For instructions, see Starting the system or logical partition.
5. Note the state of the light-emitting diodes (LEDs) on the power supply. For more information, see Power supply LEDs.
   • If the LEDs indicate that the power supply is operating normally, that is, the ac input LED and the dc output LED are on solid and the fault/identify LED is flashing or off, continue to the next step.
   • If the LEDs indicate that the power supply is not operating correctly, remove the power supply from the system and repeat the procedure starting with step 2.
   • If, after repeating the procedure, the power supply is not operating normally, contact your service provider.
   Figure 2. Power supply LEDs
6. Close the rack door at the rear of the system.