User Service Guide, Third Edition - HP Integrity cx2620 Server

A power supply unit has three status LEDs located on the back of the power supply.
Figure 1-11 Rear View of DC Power Supply
Table 1-10 lists and describes the power supply status LEDs.
Table 1-10 Power Supply Status LEDs
StatusStateColorLED
DC power (-40 to -72 VDC) is available to the power supply.OnGreenDC In
DC power is applied to system circuits.OnGreenDC Out
Power is applied to this power supply, and a fault has been
detected.
OffAmberFault
System Board LEDs
There are three LEDs located on the system board that can be of assistance when troubleshooting.
These LEDs are located close to the rear of the server. View these LEDs through cooling holes
in the rear panel of the server. The LEDs are located as shown in Figure 1-12 and are described
in Table 1-11.
36 Overview