HP DL740 - ProLiant - 4 GB RAM User Manual page 133

Installing Hardware Options, Hot-Plug
4. Slide the hot-plug power supply into the power supply cage until the supply is
seated securely (1). This action automatically pushes the spring-loaded trap
door open.
5. With the power supply handle engaged at half closed (2), as shown in
Figure 5-16, rotate the handle inward to lock the power supply into place (3). The
power supply fan starts immediately if the system is running.
IMPORTANT: The power supply fan will start and run at low speed if the system is in Standby
mode.
Figure 5-16: Securing the hot-plug power supply
6. Be sure that the AC power LED (left) is green.
If the installation is performed with the system power on, the AC power LED
will illuminate solid. If the installation is performed with the system power off,
the AC power LED will blink to indicate that the power supply is in Standby
mode.
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