ASROCK 4U8G Series User Manual page 32

Removing the Power Supply Unit
To remove a failed power supply, identify the failed power supply by checking the power
supply LEDs on the PSU.
1. Hold onto the power supply handle while pressing the locking lever towards the power
supply handle.
2. Pull to remove the power supply from the chassis.
1. Before replacing the power supply, power off the server, unplug the power cord, and
disconnect all wiring from the power supply.
2. In a redundant system, you do not need to power down the server.
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