Power supply unit indicator codes
AC 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 108. AC PSU status indicator
1. AC PSU status indicator/handle
Figure 109. AC PSU status indicator
1. AC PSU status indicator/handle
Figure 110. AC PSU status indicator
1. AC PSU handle
2. Socket
3. Release latch
Table 93. AC PSU status indicator codes
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 do not function.
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System diagnostics and indicator codes