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CAUTION: When servicing any device, the replacement must be completed within five
(5) minutes to maintain proper system cooling. Leaving the enclosure's top cover open
for an extended period of time while the system is running may result in thermal
damage.
1. Follow each step in the instructions provided for "Extending the Enclosure
from the Rack" on page 60 to extend the enclosure into the serviceable
position.
2. Loosen the left and right enclosure cover thumbscrews located at the top
front edge of the chassis cover. The thumbscrews are shown in Figure 5.5.
NOTE: Use a Phillips® #2 screwdriver to loosen the thumbscrews if they are more than
finger tight.
Figure 5.5 Top cover thumbscrews
3. Use both hands to apply a gentle downward pressure on the top cover, and
then slide the cover forward enough to clear the flange at the rear of the
enclosure. Align the six guide pins (three on each side of the chassis) with
the guide pin openings (three on each side of the cover). Refer to Figure
5.6.
Figure 5.6 Top cover removal
4. Lift the top cover up and away from the enclosure.
5. Proceed to the appropriate instruction set to identify the LEDs requiring
attention.
FRU STATUS LEDS
Each FRU component provides status LEDs as shown in Figure 5.7.
63
Viking Enterprise Solutions™ Proprietary Information
ONYX Series Harware Guide
Flange
Guide pin
Guide pin opening
Document CTC-DOC-003005
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