Main Electronic P.c.b. Box - Biasi Activ A 12OV Service Manual

3 Free the hooks indicated and rotate the lid to-
wards left (Fig. 2.5).
D
Fig. 2.5
4 To access to the parts located inside the control
panel turn it as shown in Fig. 2.6.
Fig. 2.6
2.4

Main electronic p.c.b. box

Warning: isolate the boiler from the mains
electricity supply before removing any
covering or component.
To gain access to the parts located into main electronic
p.c.b. box proceed as follows:
1 Remove the front panel of the case.
Terminal block lid removal
2 To remove the terminal block lid E (Fig. 2.7), free
the front hooks.
General access and emptying hydraulic circuits
E
Fig. 2.7
3 Slightly rotate the lid as indicated by the curved
arrow and free the rear hooks.
4 Remove the lid.
Main electronic p.c.b. lid removal
To get access to the main electronic p.c.b.:
5 Pull the box that contains the electronic p.c.b.
and rotate it (Fig. 2.8).
Fig. 2.8
6 Remove the terminal block lid E (Fig. 2.7).
7 Free the hooks placed on the three sides indi-
cated and rotate the lid towards left (Fig. 2.9).
3