HP ProLight Server Troubleshooting Manual page 25

c-Class server blade power-on problems flowchart
Symptoms:
The server does not power on.
The system power LED is off or amber.
The health LED is red or amber.
NOTE: For the location of server LEDs and information on their statuses, refer to the server documentation.
Possible causes:
Improperly seated or faulty power supply
Loose or faulty power cord
Power source problem
Power on circuit problem
Improperly seated component or interlock problem
Faulty internal component
Diagnostic flowcharts 25