Setup and Installation Guide
www.hp.com
D-7
Troubleshooting
Table D-3: Is the Fault LED on Both Power Supplies Off?
Answer
Possible Reasons
Possible Solutions
No, one or both are
amber.
The power supply is not
connected to AC power or no
AC power is available.
Be sure that all power cords are
connected to the power supplies.
Be sure that all power cords are
plugged into working, grounded
outlets.
An over-voltage condition has
occurred.
Check your power source to be sure
that the correct voltage is being
delivered.
Be sure that the pins on the power
supplies are not damaged.
Be sure that the power supplies are
fully seated in the power supply bays.
An over-temperature condition
has occurred.
Be sure that nothing is preventing the
power supply fan blades from
spinning.
At least one power supply fan
has failed.
Contact HP or your authorized
service provider for parts and
service.
No, one or both are
blinking amber.
The power supply has shut off
due to an over-current condition.
Inspect the power supply and center
wall assembly connectors for any
signs of damage.
Look at all other health LEDs to
determine which component may be
causing the over-current condition.
Contact HP or your authorized
service provider for parts and
service.