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10
Maintenance and service
C C a a u u t t i i o o n n ! ! Before installation or maintenance, the power supply should first be disconnected. Installation
or maintenance of this unit should only be carried out by qualified personnel. The manufacturer is not
responsible for any eventual damage or injury caused by inadequate skills during installation, or through
removal of or deactivation of any security devices.
10.1 Changing the battery
C C a a u u t t i i o o n n ! ! The controller must be disconnected from power before the battery is changed.
To change the battery:
1. Disconnect the controller from power, and then remove the terminal protection covers (if wall
mounted).
2. Remove the top of the casing by pressing the two tabs on each side of the casing, and then lift up the
top of the casing carefully.
Figure 10-1 Removing the top of the casing.
3. Change the battery. A lithium CR2032 battery is used.
4. Assemble the casing carefully again.
5. Wire the controller, attach the terminal protection covers (if wall mounted), and then power up the
controller.
10.2 Resetting the application memory
C C a a u u t t i i o o n n ! ! This procedure should only be carried out by qualified personnel, since it requires advanced
knowledge. The current application will stop running and the controller will return to its default settings
which may damage the system.
The controller is reset by pressing the reset button on the side of the casing by using something thin, such as
a paper clip. After a reset, the controller starts up again with factory settings applied.
Regio
Ardo
manual, Rev. D
Maintenance and service
75
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