Dell PowerVault NX3500 - Manual (Page 21)

About Your Solution 21
Backup Power Supply Indicators
Table 1-1 and Table 1-2 describes the possible visual and audible operating
state indicators at start-up.
Table 1-1. Visual Operating State Indicators
LED Color and Pattern* Condition
No LED display BPS power module off, grid power can be
either present or not
Solid green Grid power present, BPS power module on
Blinking green No grid power, unit supporting load on
battery (before battery low condition)
Solid amber Active alarm
Blinking amber and green Flash upgrade in progress or BPS is in
bootloader mode
* The LED colors and patterns apply to the LEDs located on the front and back of the BPS.
Table 1-2. Audible Operating State Indicators
Audible Beeping or Buzzer Condition
Silent No Active alarms or active notices, the On/Off
button has not been pressed to start up the
BPS, or an active alarm has been muted*
Continuous buzzer Shutdown imminent or hardware failure
Steady beeping Alarm active (beeping rhythm 0.5 seconds On,
0.5 seconds Off)
Slow intermittent beeping Notice active (beeping rhythm 0.5 seconds On,
4.5 seconds Off)
*Audible beeping due to alarms can be temporarily silenced by pressing the On/Off button 0.5 seconds
until the beeping is silenced. If a new alarm is generated, the audible beeping becomes active again.
book.book Page 21 Monday, January 24, 2011 12:24 PM