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Third Part
(edition-0106)
Control p.c.b. 11.62
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RIVA
FP
SERVICE MANUAL – REV A
5
-5
Figure10
4) Unscrew the four screws that hold the Control
p.c.b. on the control panel.
5) Remove it by lifting its rear edge and freeing it
from any of the wiring.
6) Re-assemble the Control p.c.b. following the
removal procedures in the reverse order.
Important
When re-assembling the Control p.c.b.:
7) Fit the p.c.b. into the control panel by first
inserting the front lower edge under the
control knob shaft. Lower the rear edge and
ensure that no wiring is trapped beneath.
8) Insert the spindle in the control panel knob
untill the notch M (Figure 11) reaches the
potentiometer edge. It is not necessary to
force it in the knob.
9) While tightening the screws that fix the Control
p.c.b. on the control panel, keep the p.c.b.
towards the control panel fascia making sure
of the contact between the boiler reset button
N and the tab O (Figure 12).
M
N
O
Figure 11
Attention
After installing the Control p.c.b. :
10) Make sure the c.h. temperature adjustment
knob can move freely for the complete
range. If not, remove the spindle again as
described at step 3, turn the knob half a turn
and re-insert the spindle.
11) Operate the boiler and close the gas supply
so that the boiler goes into the safety lock-
out state. Verify the correct operation of the
boiler reset button by pressing and releasing
it.
