HP Server rp7420 HP 9000 rp7420 Server - User Service Guide, Fifth Edition - Page 72

System and PCI I/O Fan LEDs, OL* LEDs, Table 5-4 PCI Power Supply LEDs, Front

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Table 5-4 PCI Power Supply LEDs (continued) LED Fault Driven By Each supply State Flash Yellow On Yellow Flash Red Off 1 LPM stands for local power monitor. Description The temperature within the power supply is above the lower threshold. The temperature of the power supply is approaching the thermal limit Power supply has shut down due to an over temperature condition, a failure to regulate the power within expected limits, or a current-limit condition. Normal operation. System and PCI I/O Fan LEDs There is a single three-color LED on each system and PCI I/O fan. Figure 5-5 Front, Rear and PCI I/O Fan LEDs Table 5-5 System and PCI I/O Fan LEDs LED Fan Status Driven By Fan State On Green Flashing Yellow Flashing Red Off Description Normal Predictive failure Failed No power OL* LEDs Cell Board LEDs There is one green power LED located next to each ejector on the cell board in the server that indicates the power is good. When the LED is illuminated green, power is being supplied to the cell board and it is unsafe to remove the cell board from the server. 72 Troubleshooting

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Table 5-4 PCI Power Supply LEDs
(continued)
Description
State
Driven By
LED
The temperature within the power supply is above the
lower threshold.
Flash Yellow
Each supply
Fault
The temperature of the power supply is approaching the
thermal limit
On Yellow
Power supply has shut down due to an over temperature
condition, a failure to regulate the power within expected
limits, or a current-limit condition.
Flash Red
Normal operation.
Off
1
LPM stands for local power monitor.
System and PCI I/O Fan LEDs
There is a single three-color LED on each system and PCI I/O fan.
Figure 5-5 Front, Rear and PCI I/O Fan LEDs
Table 5-5 System and PCI I/O Fan LEDs
Description
State
Driven By
LED
Normal
On Green
Fan
Fan Status
Predictive failure
Flashing Yellow
Failed
Flashing Red
No power
Off
OL* LEDs
Cell Board LEDs
There is one green power LED located next to each ejector on the cell board in the server that
indicates the power is good. When the LED is illuminated green, power is being supplied to the
cell board and it is unsafe to remove the cell board from the server.
72
Troubleshooting