Lenovo ThinkServer RD540 70AR User Manual And Hardware Maintenance Manual page 116

What to do next:
Installing or replacing a hot-swap redundant power supply
Note:
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
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.
Installing a hot-swap redundant power supply
Attention:
102