3. Remove the front bezel by grasping the sides and pulling the cover toward
you.
4. Check the LEDs on the power supply-fan units to determine which of the two
battery packs has failed. (See Figure 81 on page 131.) Replace only the
battery pack that is indicated as failed by the LEDs.
5. Put on antistatic protection.
6. Unpack the new battery pack. Set the new battery pack on a dry, level surface.
Save all packing materials in the event you need to return the new battery
pack.
7. Remove the battery access cover from the front of the interconnect-battery unit
by removing the thumb screws that secure the cover to the component.
Figure 95 shows the access cover and mounting screws on the
interconnect-battery unit.
Power LED
Overall DS4800 Configuration
Needs Attention LED
Locate/Identify LED
ds48005
Figure 94. Overall DS4800 Configuration Needs Attention LED on the DS4800 front bezel
Access
cover
Thumb
screws
ds48050
Figure 95. Battery access cover on the interconnect-battery unit
Chapter 5. Replacing components 153
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