14-3
14
MAINTENANCE AND WARRANTY
14-2 Replacing the System Backup Battery
14-2 Replacing the System Backup Battery
If an alarm is issued indicating that the system backup battery voltage is low, replace the battery
using the procedure listed below.
(1)First, make a backup copy of all necessary data using a memory card or POPCOM software,
because that data in the controller might be lost or destroyed during battery replacement.
(2)Unplug all connectors from the controller and then remove the top cover.
(3)You can now see the control board. Remove it from the controller.
(4)The lithium battery is soldered to the control board. Use a desoldering tool or similar tool to
remove the solder and then remove the battery from the control board.
(5)Solder the new battery to the control board.
Battery product number: CR2450THE (Toshiba Battery)
(6)Install the control board back in its original position.
(7)Reattach the top cover.
(8)Initialize all data and then return the data you backed up into the controller.
Please note that the state of California USA has legal restrictions on the
handling of manganese dioxide lithium batteries. See the following website for
more information:
http://www.dtsc.ca.gov/hazardouswaste/perchlorate
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