Fujitsu SPARC ENTERPRISE M4000 Service Manual page 58

Component LED Descriptions (Continued)
TABLE 2-11
Component LED Type
Power supply unit READY
(PSU)
CHECK
LED_AC
LED_DC
Fan ATTENTION
2-20 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
LED Display
On (green)
Blinking (green)
Off
On (amber)
Off
On (green)
Off
On (green)
Off
On (amber)
Blinking (amber)
Meaning
Indicates that the power is turned on and being
supplied.
Indicates that the power is being supplied to the
power supply unit, but the power supply unit is
not turned on.
Indicates that power is not being supplied to the
power supply unit.
Indicates that an error occurred in the power
supply unit.
Indicates the normal state of the power supply
unit.
Power supply unit has AC applied and is
supplying 12V.
Indicates that AC is out of the specified
operating range and 12V is not being supplied
from the power supply unit.
Power supply unit has AC applied and is
supplying 48V. Standby pinhole provides a
manual backup to turn off 48V power.
Indicates that 48V is not being supplied from
the power supply unit.
Indicates that an error occurred.
Indicates that the fan is a target device for
replacement.