18
Maintenance
Battery replacement
Replace the Libra battery as soon as Argo app notifies you, following the procedure later illustrated in this
topic. The electronic cylinder has a multilevel battery charge detection, to allow a proper and in advance alert
to change the battery.
For more information about battery-low signals, see “Battery Levels” chapter in the Argo User Manual,
available at: https://app.iseo.com/?parm=ARGO
The battery is placed inside the electronic knob and can be accessed dismounting the knob cover using the
Cover assembly/disassembly tooling kit. This kit is composed by:
Wrench
Plier
Instruction sheet
The cylinders are delivered without these tools. Please remember to order them separately.
After battery replacement, take care to fix the electronic knob cover using the Cover assembly/disas-
sembly tooling kit. This in order to fix the cover with enough force to avoid the knob unscrewing during
opening.
The battery has a cable with a polarized connector (one-orientation connection), to prevent wrong connection.
Replace the battery with the same type of battery: lithium battery, type ER17335M (2/3 A - 3,6 Vcc). For more
information about lithium batteries see chapter Safety and Environment, “Handling lithium batteries”.
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