HP xw4100 Getting Started Manual page 47

Activity
Red Power LED
blinks two times,
once every second,
followed by a
two-second pause.
**NOTE: When the Unique Sleep State Blink Rates is enabled in
Computer Setup (F10), these reflexes are observed on the green power
LED.
Red Power LED stays
on.
Getting Started Guide
Possible
Beeps Cause
None Processor
thermal
protection
activated:
A fan may be
blocked or
not turning.
OR
The
heatsink/fan
assembly is
not properly
attached to
the processor.
None Processor not
installed (not
an indicator
of bad
processor).
www.hp.com
Troubleshooting
Recommended
Action
1. Ensure that the
workstation air vents
are not blocked and
the cooling fan is
running.
2. Open hood, press
power button, and see
if the processor fan
spins. If the processor
fan is not spinning,
make sure the fan's
cable is plugged onto
the system board
header. Ensure the fan
is fully/properly seated
or installed.
3. If fan is plugged in and
seated properly, but is
not spinning, then
replace processor fan.
4. Reseat processor
heatsink and verify that
fan assembly is
properly attached.
5. Contact an authorized
reseller or service
provider.
1. Check to see that the
processor is present.
2. Reseat the processor.
4–13