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Chapter 3
Troubleshooting
Common Installation Problems
53
System, Standby, and I/O Fan LEDs
There is a single three-color LED on each System, Standby, and I/O Fan.
SINC POST LEDs
The four SINC POST LEDs (Green) display the current state of the SINC firmware.
Fault Each Supply Flash Yellow The temperature within the power supply is
above the lower threshold.
On Yellow The temperature of the power supply is
approaching the thermal limit
Flash Red 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.
On Red Not Used
Off No Faults
Table 3-4 System, Standby, and I/O Fan LEDs
LED Driven By State Description
Fan Status Fan On Green Normal
Flash Yellow Predictive Failure
Flash Red Failed
Off No Power
Table 3-5 SINC POST LEDs
LED Driven By State Description
SINC POST SINC Off 3.3V SB Off
All On SINC is reset or dead
0x1-0xE SINC POST State
Table 3-3 PCI Power Supply LEDs (Continued)
LED Driven By State Description