Installation Instructions

Short Duration Battery Replacement Procedure – continued
DEC 2000
9-17
SCt300 BTS Hardware Installation, ATP and FRU Procedures
PRELIMINARY
Remove the failed battery
Follow the steps in Table 9-8 to remove the failed battery. Refer to
Figure 9-5.
The short duration battery is designed to be replaced with
the DC breaker closed (pushed). If the DC breaker is
opened (pulled) during this procedure, the BTS must be
taken off–line and restarted to ensure proper battery fault
management.
NOTE
Table 9-8: Remove the Failed Short Duration Battery
Step Action
1 Turn the DC Power Breaker off.
2 Use a T20 Torx tamper bit to remove the Solar Cover (if one is present) and locate the battery.
3 Turn the connector on the short duration battery cable counterclockwise to disconnect the cable
from the unit. See Figure 9-5. An alarm will be generated.
4 Using a T30 Torx tamper bit remove the two screws that are holding the battery to the unit. See
Figure 9-5.
Install the replacement battery
Follow the steps in Table 9-8 to install the replacement short duration
battery. Refer to Figure 9-5.
Table 9-9: Install the Replacement Short Duration Battery
Step Action
1 Install the replacement battery according to the “Attaching the Battery to the Unit” installation
procedure in Chapter 5.
2 Re–connect the short–duration battery cable to DC input connector. See Figure 9-5. The alarm
will clear.
3 Re–install the Solar Cover if one is present.
9