Huawei DPU40D-N06A3 User Manual page 58

DPU40D-N06A3, DBU20B-N12A3, and
DBU50B-N12A1 Distributed Power System
User Manual
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For an operating lithium battery, its run indicator will turn off about 3 minutes after cables are
disconnected from the BAT and COM ports.
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Issue 04 (2020-02-29)
Use a flat-head screwdriver to pry the fastener on the quick connector and take off the
connector, as shown in the following figure.
Figure 5-20 Removing a quick connector
Disconnect the cables from the PWR, LOAD, BAT, and COM ports as well as the
ground cable in sequence. Insulate the cables.
Record the cable connection positions on the lithium battery. Disconnect the cables from
the BAT and COM ports as well as the ground cable in sequence. Insulate the cables.
Remove the connecting kit.
Loosen the four screws that secure the PSU to the connecting kit, and take off the PSU.
Remove the old lithium battery.
Figure 5-21 Removing the old lithium battery
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