User Service Guide, Fifth Edition - HP Integrity rx8640 SEU

Figure 4-4 Fan LED Locations
Table 4-4 contains the LED states for the front, rear, and PCI I/O fans.
Table 4-4 Front, Rear and I/O Fan LED States
DescriptionStateDriven ByLED
NormalSolid GreenFanFan Status
Predictive failureFlash Yellow
FailedFlash Red
No PowerOff
PCI OL* Card Divider LEDs
The PCI OL* card LEDs are located on each of the 16 PCI slot dividers in the PCI-X card cage
assembly area. The green power LED indicates whether power is supplied to the card slot. The
yellow attention LED states are defined in Table 4-5 in combination with whether power is being
supplied to the card or not.
SEU LED Indicators 75