Table 5-4 PCI Power Supply LEDs (continued)
DescriptionStateDriven ByLED
The temperature within the power supply is above the
lower threshold.
Flash YellowEach supplyFault
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
DescriptionStateDriven ByLED
NormalOn GreenFanFan Status
Predictive failureFlashing Yellow
FailedFlashing Red
No powerOff
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