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3 Control board
Prerequisite USB stick with current software. After replacing the control panel or
Preparations
Dismounting
Overview of control board
control board, a software update is absolutely necessary. Otherwise,
the unit is not functional ( see "Software update" in the service
instructions) .
• De-energize unit.
• Unlock and open control panel.
• Insofar as possible, dismount the left side panel.
• Disconnect all connectors
from the control board. Label
sensor lines and
communication lines if
necessary.
• Dismount the control board by
unlocking the plastic clips (a,
b).
• Dismount the grounding
screw and strain relief.
• Remove the control board.
• Remove the digital key and
plug in on new control board.
c
d
e
Assembly instructions
a
b
f
Control board
7
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