HP xw4100 Getting Started Manual page 53

Activity
Green Power LED
blinks four times,
once per second.**
NOTE: For the following LED activity and beeps, the beeps will be
heard through the on–board piezo speaker and not the chassis
speaker. Blinks and beeps will be repeated for 5 cycles, after that, only
the blinks will continue to repeat.
Red Power LED
blinks two times,
once every second,
followed by a two-
second pause.
Red Power LED
blinks three times,
once every second,
followed by a two-
second pause.
Getting Started Guide
Possible
Beeps Cause
None Workstation
in Suspend
to Disk or
"Hibernate"
mode.
2 Processor
thermal
protection
activated:
A fan may be
blocked or
not turning.
OR
The
heatsink/fan
assembly is
not properly
attached to
the processor.
3 Processor not
installed (not
an indicator
of bad
processor).
www.hp.com
Troubleshooting
Recommended
Action
None
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.
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