Fujitsu SPARC Enterprise T5220 Service Manual page 156

FIGURE:
The following table describes the three power supply LEDs
TABLE:
Legend
1
2
3
* For DC PSUs, this symbol is either DC or a power connector.
Note – If a power supply fails and you do not have a replacement available, leave
the failed power supply installed to ensure proper airflow in the server.
Related Information
"Servicing Power Distribution Boards" on page 160
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130 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Power Supply LEDs (SPARC Enterprise T5120 Server Shown)
Power Supply Status LEDs
LED Icon
OK
Fault
*
AC ~AC
Present
Color
Green This LED lights when the power supply DC
voltage from the PSU to the server is within
tolerance.
Amber This LED is lit when the power supply is
faulty.
Note - The front and rear panel Service
Required LEDs are also lit if the system
detects a power supply fault.
Green This LED turns on when AC voltage is
applied to the power supply.
Note - For DC models, this is the DC input OK
LED. It turns on when the input DC power is
present.