Installation Manual
Floor standing storage boiler – Cod. 99949NA – November 2002
24
MALFUNCTION
POSSIBLE
CAUSE
SOLUTION
1
Light 6 (fig.2) is on but nothing works.
a.
water pressure switch
b.
water pressure below 0.5 bar (light 13 fig. 2
flashing).
c.
RAMIRE circuit board damaged
a.
replace it
b.
load water
c.
replace it
2
Light 6 (fig.2) is on, the circulation pump
is running, but the flame does not ignite
d.
RAMIRE circuit board malfunction
e.
broken sensors (lights 10 or 11 fig. 2 flashing)
f.
gas valve failure (light 2 fig.1 on)
g.
ignition unit broken (light 2 fig.1 on)
h.
electric fan does not work (light 9 fig. 2 on)
i.
air switch does not work
j.
gas turned off (light 2 fig. 1 on)
k.
modulator regulated to below minimum (light 2
fig.1 on)
l.
ignition electrode broken (light 2 fig.1 on)
m.
ignition electrode wire detached (light 2 fig.1 on)
n.
limit thermostat broken or wrongly calibrated
(light 2 fig. 1 on)
d.
replace it
e.
replace it
f.
replace it
g.
replace it
h.
replace it
i.
replace it
j.
open gas cock
k.
adjust it
l.
replace it
m.
re-connect it
n.
replace it
3
Light 6 (fig.2) is on, the circulation pump
is running , the flame ignites but goes
out after 10 seconds
o.
flame ionisation electrode broken (light 2 fig.1
on)
p.
flame ionisation electrode wire detached, broken
or damp (light 2 fig.1 on)
q.
ignition unit broken (light 2 fig.1 on)
r.
LIVE - NEUTRAL polarity inverted (light 2 fig.1
on)
s.
no earth connection (light 2 fig.1 on)
t.
power supply (LIVE - LIVE) (light 2 fig.1 on)
o.
replace it
p.
re-connect or rep
q.
r.
lace it
s.
replace it
t.
change over polarity
4
Boiler on, temperature rises rapidly and
extinguishes flame (light 2 fig.1 on)
u.
circulation pump burned out or blocked
v.
air in system
w.
flowswitch jammed open
x.
heating system turned off
u.
unblock or replace it
v.
bleed system
w.
unblock or replace it
x.
open heating system cut-off valve
5
Noise as flame ignites
y.
ignition electrode wrongly positioned
z.
RLA trimmer set too high
aa.
modulator minimum too high
bb.
dirty pilot burner
cc.
dirty main burner
y.
check the distance between burner and
electrode is 2.5-3 mm.
z.
adjust it
aa.
adjust it
bb.
clean it
cc.
clean it
6
Boiler ignites but goes out when
temperature is reached without
modulating
dd.
modulator tube blocked
ee.
modulator only calibrated at maximum
ff.
RAMIRE circuit board breakdown
dd.
unblock or replace it
ee.
re-calibrate
ff.
replace it
7
Boiler on (light 6 fig.2 on), selector
switch 1 (fig.1) set to Winter, but
radiators do not heat up
gg.
diverter valve blocked or broken
hh.
valve VC 6012 connecting wires wrongly
positioned
gg.
unblock or replace it
hh.
connect wires correctly
8
Boiler on (light 6 fig.2 on), but gas
pressure at burner is always at
minimum
ii.
broken modulator coil
jj.
RAMIRE circuit board breakdown
kk.
MAX. HEATING trimmer at minimum (only on
Winter setting)
ii.
unblock or replace it
jj.
replace it
kk.
make adjustments)
9
No hot water when tap is turned on
ll.
cold water entry pressure below 0.3 bar
mm.
dirty cold water entry filter
nn.
microflowswitch broken or piston demagnetised
ll.
increase pressure
mm.
clean filter
nn.
replace
2
3
1
4
6
7
8
9
10
11
12
ELECTRONIC WATER
PRESSURE GAUGE
SELF-DIAGNOSTIC
5
13
14
15
16
Fig. 1
Fig. 2
