Dell PowerEdge R540 EMC Installation and Service Manual - Page 21

Power supply unit indicator codes

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Table 13. NIC indicator codes Status Link and activity indicators are off Link indicator is green and activity indicator is blinking green Link indicator is amber and activity indicator is blinking green Link indicator is green and activity indicator is off Link indicator is amber and activity indicator is off Link indicator is blinking green and activity is off Condition The NIC is not connected to the network. The NIC is connected to a valid network at its maximum port speed and data is being sent or received. The NIC is connected to a valid network at less than its maximum port speed and data is being sent or received. The NIC is connected to a valid network at its maximum port speed and data is not being sent or received. The NIC is connected to a valid network at less than its maximum port speed and data is not being sent or received. NIC identify is enabled through the NIC configuration utility. Power supply unit indicator codes AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator. The DC PSUs have an LED that serves as an indicator. The indicator shows whether power is present or if a power fault has occurred. Figure 13. AC PSU status indicator 1. AC PSU status indicator/handle Table 14. AC PSU status indicator codes Power indicator codes Condition Green A valid power source is connected to the PSU and the PSU is operational. Blinking amber Indicates a problem with the PSU. Not illuminated Power is not connected to the PSU. Blinking green When the firmware of the PSU is being updated, the PSU handle blinks green. CAUTION: Do not disconnect the power cord or unplug the PSU when updating firmware. If firmware update is interrupted, the PSUs do not function. Blinking green and turns off When hot-plugging a PSU, the PSU handle blinks green five times at a rate of 4 Hz and turns off. This indicates a PSU mismatch with respect 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 turn the system on. CAUTION: When correcting a PSU mismatch, replace only the PSU with the blinking indicator. Swapping the PSU to make a matched pair can result in an error condition and unexpected system shutdown. To change from a high output configuration to a low output configuration or vice versa, you must turn off the system. Dell EMC PowerEdge R540 overview 21

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Table 13. NIC indicator codes
Status
Condition
Link and activity indicators are off
The NIC is not connected to the network.
Link indicator is green and activity indicator is blinking
green
The NIC is connected to a valid network at its maximum port speed and
data is being sent or received.
Link indicator is amber and activity indicator is blinking
green
The NIC is connected to a valid network at less than its maximum port
speed and data is being sent or received.
Link indicator is green and activity indicator is off
The NIC is connected to a valid network at its maximum port speed and
data is not being sent or received.
Link indicator is amber and activity indicator is off
The NIC is connected to a valid network at less than its maximum port
speed and data is not being sent or received.
Link indicator is blinking green and activity is off
NIC identify is enabled through the NIC configuration utility.
Power supply unit indicator codes
AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator.
The DC PSUs have an LED that serves as an indicator.
The indicator shows whether power is present or if a power fault has occurred.
Figure 13. AC PSU status indicator
1.
AC PSU status indicator/handle
Table 14. AC PSU status indicator codes
Power indicator codes
Condition
Green
A valid power source is connected to the PSU and the PSU is operational.
Blinking amber
Indicates a problem with the PSU.
Not illuminated
Power is not connected to the PSU.
Blinking green
When the firmware of the PSU is being updated, the PSU handle blinks green.
CAUTION:
Do not disconnect the power cord or unplug the PSU when updating firmware. If
firmware update is interrupted, the PSUs do not function.
Blinking green and turns off
When hot-plugging a PSU, the PSU handle blinks green five times at a rate of 4 Hz and turns off. This
indicates a PSU mismatch with respect 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 turn the system on.
CAUTION:
When correcting a PSU mismatch, replace only the PSU with the blinking
indicator. Swapping the PSU to make a matched pair can result in an error condition and
unexpected system shutdown. To change from a high output configuration to a low output
configuration or vice versa, you must turn off the system.
Dell EMC PowerEdge R540 overview
21