Lenovo 3779 Computer Hardware User Manual


 
1. Read the safety information that begins on page 3 and “Installation guidelines”
on page 11.
2. If only one power supply is installed, turn off the server and peripheral devices.
3. Disconnect the power cord from the power supply that you are removing.
4. Grasp the power-supply handle.
5. Press the orange release latch to the left and hold it in place.
6. Pull the power supply 1 part of the way out of the bay, then release the latch
and support the power supply as you pull it the rest of the way out of the bay.
7. If you are instructed to return the power supply, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Installing a hot-swap power supply
The server supports a maximum of two hot-swap ac power supplies.
Statement 5:
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current
from the device, ensure that all power cords are disconnected from the power
source.
1
2
Statement 8:
194 ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Hardware Maintenance Manual