HP ML530 ProLiant ML530 Generation 2 Server Setup and Installation Guide - Page 263

Troubleshooting Table D-2: Is the System Power LED Off? Answer Yes, it is off Possible Reasons The system is not connected to AC power, or no AC power is available. Possible Solutions Be sure that the power cord is connected to the power supply. A power supply problem exists. The power supply may not be connected or inserted properly, it may have a damaged connector, or it may have failed. Be sure that the power supply is undamaged, the power supply is fully seated, and the power supply LED is green when you power up the server. There is a broken connection between the front panel LED assembly and the power backplane. Be sure that the system power and power supply signal cables are connected to the system board and power backplane. The front panel LED assembly has failed. Be sure that the front panel LED assembly cable is connected to the power backplane. Refer to "Power Problems" and "General Hardware Problems" in the Servers Troubleshooting Guide for further options. If these solutions do not solve the problem, contact an HP authorized service provider for assistance. No If the system power button LED is amber, press the Power On/Standby button. See Table D-3. Note: For LED locations and functions, see Appendix C, "System LEDs and Switches." For cabling configurations, see Chapter 7, "Cabling the Server." D-6 HP ProLiant ML530 Generation 2 Server Setup and Installation Guide