HP workstation xw4000 Getting Started page 21

Basic Troubleshooting
Diagnostic Keyboard LEDS, Front Panel LEDs, and Audible Codes
Activity
Red or Yellow
Power LED is:
1. Flashing four
times per
second, OR
2. Flashing two
times one
second apart,
followed by a
two second
pause, OR
3. Not flashing.
2–12
Beeps Probable Cause
None Computer overheated.
Recommended Action
1. Install computer cover or
access panel if necessary.
2. Ensure that computer air
vents are not blocked and
internal fan is running.
Getting Started