User`s guide

Chapter 6: Advanced Chassis Setup
6-5
6-5 Power Supply
The NovaScale R422-E2/R422-INF-E2 has a single 980 watt power supply. This
power supply has the capability of operating at 100 - 240 input volts. Depress both
main power buttons on the front of the chassis and then unplug the AC power cord
to completely remove power from the system before removing the power supply.
Power Supply Failure
If the power supply unit fails, the system will shut down and you will need to replace
the power supply unit. Replacement units can be ordered directly from Bull S.A.S.
(PWS-981-1S).
Replacing the Power Supply
Accessing the Inside of the System
Remove the top chassis cover by releasing the retention screws that secure 1.
the unit to the rack.
Grasp the two handles on either side and pull the unit straight out until it 2.
locks (you will hear a "click").
The top cover of the chassis is secured with four screws: two at the top rear 3.
of the cover and one on each side lip, also near the back. Remove all four,
then place both thumbs in the indentations and push the cover back until it
slides off.
Lift the top cover from the chassis to gain full access to the inside of the 4.
server.
Removing the Power Supply
First unplug the power cord from the system.1.
To remove the failed power unit, remove the two screws on the back of the 2.
power supply, which secure it to the chassis.
Lift the unit straight out of the chassis. (See Figure 6-5.) 3.