Figure 5. AC PSU status indicator
1.
AC PSU status indicator/handle
Table 6. AC PSU status indicators
Convention
Power indicator
pattern
Condition
A
Green
A valid power source is connected to the PSU and the PSU is
operational.
B
Flashing green
When the firmware of the PSU is being updated, the PSU handle
flashes green.
C
Flashing green
and turns off
When hot-adding a PSU, the PSU handle flashes green five times at
4 Hz rate and turns off. This indicates a PSU mismatch with respect
to efficiency, feature set, health status, and supported voltage.
NOTE: Ensure that both the PSUs are of the same capacity.
CAUTION: For AC PSUs, use only PSUs with the Extended
Power Performance (EPP) label on the back.
NOTE: Mixing PSUs from previous generations of Dell
PowerEdge servers can result in a PSU mismatch condition or
failure to turn the system on.
D
Flashing amber
Indicates a problem with the PSU.
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