Use the information in Table 2-1 to troubleshoot power source problems.
Table 2-1: Power Source Problems
Power is not working
properly or power-related
errors are occurring.
HP Servers Troubleshooting Guide
AC outlet (if applicable to
DC source (if applicable
to your system)
supply (UPS) and cables
Be sure that the switch is on.
If your server has a Power On/Standby
switch that returns to its original position
after being pressed, be sure that you
press the switch firmly.
Plug another device into the grounded
AC outlet to be sure that the outlet works.
Be sure that the AC power meets
Have a licensed electrician check the DC
Replace the power cord to be sure that
the original power cord was not faulty.
Replace the power strip to be sure that
the original power strip was not faulty.
Have a qualified electrician check the
voltage to be sure that it meets the
Be sure that your circuit breakers are all
in the On position.
Refer to "Power Supply" in this chapter.
Refer to "Uninterruptible Power Supply"
in this chapter.