AC and DC power supply units (PSUs) have
an illuminated translucent handle that serves as an indicator. The indicator shows if
power is present or if a power fault has occurred. Figure 1. AC PSU Status Indicator
AC PSU handle
Socket
Release latch
Table 1. AC PSU Status Indicator CodesThis table describes the AC PSU status indicator codes and the
conditions indicated by the power supply LEDs when the power indicator light is
green, blinking green, blinking amber, and when it is not powered on.
Power
Indicator Codes
Condition
Green
Indicates that a valid power
source is connected to the PSU and the PSU is operational.
Blinking amber
Indicates an issue with the
PSU.
Not powered on
Indicates that the power is
not connected to the PSU.
Blinking green
Indicates that the firmware
of the PSU is being updated.
CAUTION:Do not disconnect the power cord or unplug the PSU when updating
firmware. If firmware update is interrupted, the PSUs will not
function.
Blinking green and powers off
When hot-plugging a PSU, it blinks green five
times at a rate of 4 Hz and powers off. This indicates a PSU mismatch
due to efficiency, feature set, health status, or supported voltage.
CAUTION:PSUs from previous
generations of PowerEdge servers is not supported due to design
change.
CAUTION:All PSUs used must be of the
same type and have the same maximum output power.
CAUTION:When correcting a PSU
mismatch, replace the PSU with the blinking indicator. Swapping the
PSU to make a matched pair can result in an error condition and an
unexpected system shutdown. To change from a high output
configuration to a low output configuration or vice versa, you must
power off the system.
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