User's Manual

5.2. OPENING AND CLOSING OF THE CABINET
figure 5-1 Locker with key
figure 5-2 Front and top cover
screws
 Before opening the cabinet of the unit, observe
the instructions in chapter 3.1.1 General.
 To open the cabinet of the remote unit, first
dismount the locker by unlocking it with the key
(which is part of the delivery) and pulling it out
carefully in direction of the arrow marked in
figure 5-1 Locker with key.
 If the front cover is installed (see mechanical
installation in chapter 3.1.1 General) remove
the cover by loosening the four M5 socket head
cap screws (circle-marked in figure 5-2 Front
and top cover screws). Do not remove those
screws. When they are loosened, the front
cover can be taken off.
 Before opening the cabinet, disconnect the
mains connector illustrated in chapter 3.2.2
Connections.
 To open the cabinet, unscrew the nine M5
socket head cap screws (captive) of the top
cover of the remote unit (see figure 5-2 Front
and top cover screws).
 After maintenance work, re-connect mains.
 Close the cabinet.
 To ensure safe operation, mount the front cover
if required (see mechanical installation in
chapter 3.1.1 General).

Check the status of the status LED. Ensure it is
showing a green light.
Front cover
Locker
Nine top
cover
screws
36 of 42