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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, see Figure 9-1, and
then lift up the top of the casing carefully.
3. Change the fuse. A 6.3 AT 5x20 mm fuse 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.
9.3 Resetting the application memory
W W a a r r n n i i n n g g ! ! 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.
Figure 9-2 Resetting the application memory.
Regio
Eedo
manual, Rev. F
Maintenance and service
75 (116)
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