Power Supply Unit Indicator Codes - Dell PowerEdge XE8640 Installation And Service Manual

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Table 68. NIC indicator codes (continued)
NIC indicator codes
Link indicator is blinking green, and activity is off.

Power supply unit indicator codes

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 125. AC PSU status indicator
1. AC PSU handle
2. Socket
3. Release latch
Table 69. AC PSU status indicator codes
Power indicator codes
Solid Green
Blinking amber
Not powered on
Blinking green
Blinking green and powers off
152
System diagnostics and indicator codes
Condition
Indicates that the NIC identity is enabled through the NIC
configuration utility.
Condition
Indicates that a valid power source is connected to the PSU
and the PSU is operational.
Indicates an issue with the PSU.
Indicates that the power is not connected to the PSU.
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.
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:
If two PSUs are installed, both the PSUs
must have the same type of label; for example,
Extended Power Performance (EPP) label. Mixing
PSUs from previous generations of PowerEdge
servers is not supported, even if the PSUs have the
same power rating. This results in a PSU mismatch
condition or failure to power on the system.
CAUTION:
If two PSUs are used, they 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

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