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Follow the steps below to change the battery pack:
Caution: In the event of electrostatic discharge
(sparks or breakdown), electronic components
may be destroyed. For this reason, avoid electrost-
atic charges prior to the (dis)assembly of the knob
sleeve or touch a conductive, grounded object (e.g.
water pipe, heating) beforehand to remove elec-
trostatic charge from your body. Never touch the
electronics components with your fingers.
Please note: Only use the 3.0 Volt lithium battery
pack from DOM Sicherheitstechnik which is already
pre-assembled with the connection cable.
Unlock the bayonet fitting
using the knob tool and care-
fully pull off the knob sleeve.
Pull the battery connector
from the battery socket
and remove the old battery
pack. (Make sure you pull on
the connector and the three
cables at the same time, not
only on one or the cables.)
Insert a new battery pack.
Please note: The battery
connector has a torsion-re-
sistant guide lug.
Insert the battery connector
into the battery socket.
Caution: Do not damage the battery cable when
fitting the knob.
Place the knob tool on the
bayonet fitting.
Slide the knob sleeve ac-
curately over the electronics
holder. The knob sleeve can
only be slid on in one posi-
tion. The two drive cams on
the electronics holder have
different widths.
Lock the bayonet fitting
using the knob tool. Present
an authorised transponder
in order to check whether
the cylinder is working per-
fectly after the batteries
have been changed.
CHANGING THE BATTERIES
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Fig. 36: Removing the knob sleeve
Fig. 37: Removing the battery pack
2
3
4
Fig. 38: Inserting the battery pack
5
6
Fig. 39: Fitting the knob
Fig. 40: Locking the bayonet fitting
7