HP D5970A - NetServer - LCII Manual page 47

Chapter 2
3. If no LED apertures were illuminated on any disk drive modules, the power
harness may not be correctly connected. Check it as follows:
a. Turn off the NetServer power switch and unplug the AC power cord(s)
and any telephone cables. Remove the front bezel and Cover 1, as
described in Steps 1 and 2. Remove the fan assemblies as described in
Step 5.
b. Disconnect the P2 connector of the power harness, and reconnect it as
described in Step 7.
c. Replace the fan assemblies as described in Step 8. Replace Cover 1 and
the front bezel as s described in Step 9. Reconnect the AC power
cord(s) and any telephone cables.
d. Restart the NetServer to determine whether the LED apertures become
illuminated during the POST now. If not, contact your reseller.
4. If one or both LED apertures on a single module are not illuminated during
the POST, the module may be installed incorrectly, or its light pipes
(shown in Figure 2-34) may be damaged.
Figure 2-34. LED Light Pipes on Ultra 2 Hard Disk Drive Module
(Shown for Low-Profile Disk Module)
Installation
Light Pipes
43