Biasi RIVA COMPACT M90E.24S Service Manual page 22

Electronic starting control p.c.b.
meter edge. It is not necessary to force them in
the knob.
9 While tightening the screws that fix the Electronic
starting control p.c.b. on the control panel, keep
the p.c.b. towards the control panel fascia mak-
ing sure of the contact between the boiler reset
button B and the tab C (Fig. 29).
A
A
Fig. 29
20
B
C
Attention
After installing the Electronic starting control p.c.b. :
10 Make sure the c.h. ( ) and d.h.w. (
ture adjustment knobs 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 inlet cock so
that the boiler goes into the safety lock ---out state.
Verify the correct operation of the boiler reset but-
ton by pressing and releasing it.
Warning: After cleaning or replacement as
detailed above refer to section Combustion
analysis check in the chapter Maintenance of
the installation instructions manual.
) tempera-