HP LH4r HP Netserver Service Handbook, Volume 3 - High-End - Page 60

Rear Panel of the HP NetServer, Power Supply LEDs, Power Supply Module LED Descriptions, Control,

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Rear View PCI Hot Plug latch PCI LED Indicators External SCSI Port Serial, Parallel, Monitor Ports AC Power Inlet #1 Power Supply LEDs #2 #3 Power Supplies HP TopTools Remote Control Card and Connectors Rear Panel of the HP NetServer 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 54

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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