Dell PowerVault 725N (Rackmount NAS Appliance) - Manual (Page 17)

Back-Panel Indicators
Indicators are on the system's back panel for the power supply (see Figure 2 -2 ) and the integrated NICs (see Figure 2 -3 ). Table 2 -2 details the conditions
associated with each back-panel LED indicator code.
Figure 2-2. Power-Supply Indicator
Figure 2-3. NIC Indicators
Table 2-2. Back Panel LED Codes
System Messages
System messages alert you to a possible hardware problem during system boot.
To view system messages, perform the following steps:
1. Connect a keyboard, mouse, and monitor to the NAS system and enter the System Setup utility by pressing <F2> during system boot.
operation in the drive bay and working. may be a problem with either the drive or a volume on the drive. The amber/green flash pattern
indicates that the RAID for this hard drive is being rebuilt.
Hard drive
activity Flashing amber indicates the hard drive is
active. Not applicable.
LED
Indicator Normal Operation Error Condition
Power
supply l Steady green indicates that the system is receiving
power from a power source and the system is
turned on.
l Blinking green indicates that the system is receiving
power, but the system is not turned on.
l Steady amber indicates the power supply has either shut down because
temperatures or voltages are outside threshold limits, or the power supply
has failed.
l Off indicates that the system is not receiving power from a power source or
the power supply has failed.
NIC activity Flashing green indicates network data is being sent or
received.
When the NIC indicator is off at the same time the link indicator is off, the NIC is
not connected to the network.
NIC link Steady amber indicates that the NIC is connected to a
valid link partner on the network. When the NIC indicator is off at the same time the activity indicator is off, the NIC is
not connected to the network.