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Part 3 Maintenance
2.3 Replacing the Backup Battery
The backup battery for simple absolute R unit lasts for three years. The expiration date label is attached on the front
face of the battery, as shown below. Replace the backup battery if the expiration date has passed, even when the
battery is not faulty.
<Replacement procedure for backup battery>
(1) To ensure safety, stop all axis operations and turn off the power.
(2) Unplug the backup battery connector and pull out the battery from the unit.
(3) Set a new battery in the unit and plug in the battery connector.
(4) Turn on the power.
(5) Perform an absolute reset of each applicable axis.
The absolute reset procedure is the same as the method used at startup. Refer to 4.5 Startup in Part 2.
Backup battery
Expiration date label
AB-7
To be replaced by: February 2010
(Example of
description)
Front view of simple absolute R unit
(cover open)
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