Power Supply Leds; Lcd Messages - Dell PowerVault 720N Installation And Troubleshooting Manual

Table 3-1 describes the three LED codes on the front panel.
Activity Green
Flashing
Off
Status Green
Yellow
Power Green
Figure 3-2 shows the power supply LEDs.
DC green LED
Operation/activity is normal.
CPU or network activity detected.
No activity detected.
The system is operating normally.
A fault has occurred or the system has halted. The
system requires service. Refer to the LCD mes-
sage for a description of the system problem.
The LCD message STDBY/SERV
is in standby mode—a product feature to be
implemented in a future software release.
The Status LED turns yellow when you turn on the
filer and stays lit while the operating system is
loading. It turns off when the filer starts.
On—The system is on.
Off—The system is down.
AC yellow LED
Troubleshooting the Filer Hardware
means the filer
Power supply
3-3