Lenovo System x3250 M5 Installation And Service Manual page 87

cord. To remove all electrical current from the device, ensure that all power cords are disconnected
from the power source.
Statement 8
CAUTION:
Never remove the cover on a power supply or any part that has the following label attached.
Hazardous voltage, current, and energy levels are present inside any component that has this label
attached. There are no serviceable parts inside these components. If you suspect a problem with
one of these parts, contact a service technician.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 31.
To install a hot-swap power supply, complete the following steps.
Step 1. Grasp the side clip and pull to remove the power-supply filler panel from the empty power-supply
bay. Save the power-supply filler panel in case you remove the power supply at a later time.
Important: During normal operation, each power-supply bay must contain either a power supply
or power-supply filler panel for proper cooling.
.
Chapter 2 Installing optional devices
73