18 About Your System
Power Indicator Codes
The power supplies have an indicator that shows whether power is present or
a power fault has occurred.
• Not lit — AC power is not connected.
• Green — In standby mode, indicates that a valid AC source is connected
to the power supply, and that the power supply is operational. When the
system is on, it also indicates that the power supply is providing DC power
to the system.
• Amber — Indicates a problem with the power supply.
Steady Off Card is activated and operational.
Off Steady Error due to one or more of the following:
•Supercapacitors are not connected.
• Flash module is either not connected or
is not responding.
• POST memory test has failed.
Blinking Off/Steady/Blinking Data activity from host.
Table 1-2. LED States during Power Loss
Green Indicator Amber Indicator Backup Progress
Blinking Off 0 to 25%
Blinking Blinking 25 to 50%
Blinking Steady 50 to 75%
Steady Blinking 75 to 100%
Steady Steady Backup complete.
Table 1-1. LED States during Normal Powered Operation of NVRAM Card
Green Indicator Amber Indicator Description
book.book Page 18 Friday, January 6, 2012 2:11 PM