HP xw3400 - Workstation Technical Reference Manual page 127

Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued)
Activity
Red Power LED flashes nine
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
Red Power LED flashes ten
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
System does not power on and
LEDs are not flashing.
ENWW
Beeps Possible Cause
9 System powers on but is
unable to boot.
10 Bad option card.
None System unable to power
on.
Interpreting POST diagnostic front panel LEDs and audible codes 117
Recommended Action
Check that the voltage selector, located on the
1.
rear of the power supply (some models), is set
to the appropriate voltage. Proper voltage
setting depends on your region.
Replace the system board.
2.
Replace the processor.
3.
Check each option card by removing the card
1.
(one at a time if multiple cards), then power
on the system to see if fault goes away.
Once a bad card is identified, remove and
2.
replace the bad option card.
Replace the system board.
3.
Press and hold the power button for less than 4
seconds. If the hard drive LED turns green, the
power button is working correctly. Try the
following:
Check that the voltage selector (some models),
1.
located on the rear of the power supply, is set
to the appropriate voltage. Proper voltage
setting depends on your region.
Replace the system board.
2.
OR
Press and hold the power button for less than 4
seconds. If the hard drive LED does not turn on
green then:
Check that the unit is plugged into a working
1.
AC outlet.
Open hood and check that the power button
2.
harness is properly connected to the system
board.
Check that both power supply cables are
3.
properly connected to the system board.
Check to see if the 5V_aux light on the system
4.
board is turned on. If it is turned on, then
replace the power button harness. If the
problem persists, replace the system board.
If the 5V_aux light on the system board is not
5.
turned on, remove the expansion cards one at
a time until the 5V_aux light on the system
board turns on. It the problem persists,
replace the power supply.