Hardware Problems
HP Servers Troubleshooting Guide
2-5
HP CONFIDENTIAL
Writer: Ted Weiman File Name: c-ch2 Hardware Problems.doc
Codename: Generic TSG Part Number: 161759-007 Last Saved On: 11/19/02 9:31 AM
Power Problems
Power Source
Use the information in Table 2-1 to troubleshoot power source problems.
Table 2-1: Power Source Problems
Problem Possible
Cause Possible
Solution
Power On/Standby
switch
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.
AC outlet (if applicable to
your system)
Plug another device into the grounded
AC outlet to be sure that the outlet works.
Be sure that the AC power meets
applicable standards.
DC source (if applicable
to your system)
Have a licensed electrician check the DC
source.
Power cord
Replace the power cord to be sure that
the original power cord was not faulty.
Power strip
Replace the power strip to be sure that
the original power strip was not faulty.
Line voltage
Have a qualified electrician check the
voltage to be sure that it meets the
required specifications.
Circuit breakers
Be sure that your circuit breakers are all
in the On position.
Power supply
Refer to “Power Supply” in this chapter.
Power is not working
properly or power-related
errors are occurring.
Uninterruptible power
supply (UPS) and cables
Refer to “Uninterruptible Power Supply”
in this chapter.
