HP c8000 Technical Reference Manual page 79

LED1 LED2
System Board Fault
System Fault
Cooling Unit Faults
Technical Reference Guide
LED3 LED4 Fault
VRM undervoltage.
VRM overvoltage.
Unknown system board
fault.
Machine check.
Chassis or CPU fan(s)
not functioning
properly.
Memory fan not
functioning properly.
PCI/disk fan not
functioning properly.
Troubleshooting
Solution
Contact your HP Support
Engineer.
The system resets due to a
problem. If you cannot
determine the reason for
the reset, contact your HP
Support Engineer.
Replace the fan that is not
functioning. If the
processor fan has failed,
you must replace the
CPU.
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