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Maintenance
1. If the external power supply
is connected, then discon-
nect it.
2. The grey covering strips
on both the right and left-
hand side of the cover are
pressed outwards at the
small groove (Ill.: 27 1 ).
This means that the
screws on the cover be-
come visible.
3. Loosen the four screws
(Ill.: 28 2 ) with which the
housing is connected.
4. Open the cover of the
DL230 by pushing down
on it.
5. The fuse SI2 is located at
the upper edge of the
power supply unit. (Pos.
3).
6. Pull the old fuse SI2
upwards and push the new
fuse into the socket.
7. Use only fuses of the type
TR5 with the current value
of 200 mA T (Slow-Blow)
stated on the board (Pos.
4).
1
Ill. 29
Ill. 30
Ill. 31
2
4
85
1
3
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