HP Netserver Service Handbook, Volume 3 - High-End

54
Rear View
PCI LED Indicators External
SCSI Port
Serial, Parallel,
Monitor Ports
Power Supplies
HP TopTools
Remote Control
Card and Connectors
AC
Power
Inlet
#1 #2
#3
PCI Hot Plug latch
Rear Panel of the HP NetServer
Power Supply LEDs
PWR
PRFL
FAIL
Power Supply LEDs
Power Supply Module LED Descriptions
Control Description
PWR
(Power)
Glows steady green when HP NetServer is powered up. If the server is not
powered up but is connected to AC power (so that standby voltage is available),
the LED blinks green. If there is no AC power, the LED is dark.
PRFL
(Predictive
Fail)
Blinks yellow if the speed of the power supply's internal fan falls below acceptable
levels. Power supply has not failed, but may do so soon.
FAIL
(Power Supply
Failure)
Glows steady yellow when power supply fails. Blinks yellow when power supply is
drawing more current than it should, because of a short-circuit in the power supply
or elsewhere in the HP NetServer. If the short-circuit is in the power supply, the
power supply shuts down. If the short-circuit is in the HP NetServer, the HP