System And Pci I/O Fan Leds; Ol* Leds; Front, Rear And Pci I/O Fan Leds - HP rp7420 Service Manual

Table 5-4 PCI Power Supply LEDs (continued)
LED
Fault
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
LED
Fan Status

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
Driven By State
Each supply Flash Yellow
On Yellow
Flash Red
Off
Driven By State
Fan On Green
Flashing Yellow
Flashing Red
Off
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.
Description
Normal
Predictive failure
Failed
No power