HP LH4r HP Netserver LXr 8000 Installation Guide - Page 19

Power Supply Module Indicators

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Chapter 2 Controls, Indicators, and Ports Power Supply Module Indicators Each of the HP NetServer power supply modules has the indicators in Figure 2-6: PWR PRFL FAIL Figure 2-6. Power Supply LEDs Table 2-3. Power Supply Module LED Descriptions Control Description PWR (Power) PRFL (Predictive Fail) FAIL (Power Supply Failure) Lights solid green when system is powered up. If the system 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. 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. Lights solid 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 server. If the short-circuit is in the power supply, the power supply shuts down. If the short-circuit is in the server, the server shuts down. 11

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Chapter 2
Controls, Indicators, and Ports
11
Power Supply Module Indicators
Each of the HP NetServer power supply modules has the indicators in Figure 2-6:
PWR
PRFL
FAIL
Figure 2-6. Power Supply LEDs
Table 2-3. Power Supply Module LED Descriptions
Control
Description
PWR
(Power)
Lights solid green when system is powered up. If the system
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)
Lights solid 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 server. If the short-circuit is in the power supply, the
power supply shuts down. If the short-circuit is in the server,
the server shuts down.