Installation Manual
Combi - cod. 99943NA – November 2002
19
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
14
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
a.
RAMIRE circuit board malfunction
b.
broken sensors (lights
10
or
11
fig. 2 flashing)
c.
gas valve failure (light
2
fig.1 on)
d.
ignition unit broken (light
2
fig.1 on)
e.
electric fan does not work (light
9
fig. 2 on)
f.
air switch does not work
g.
gas turned off (light
3
fig. 1 on)
h.
modulator regulated to below minimum (light
2
fig.1 on)
i.
ignition electrode broken (light
2
fig.1 on)
j.
ignition electrode wire detached (light
2
fig.1 on)
limit thermostat broken or wrongly calibrated (light
2
fig. 1 on)
a.
replace it
b.
replace it
c.
replace it
d.
replace it
e.
replace it
f.
replace it
g.
open gas cock
h.
adjust it
i.
replace it
j.
re-connect it
k.
replace it
3
)
Light
6
(fig.2) is on, the circulation pump
is running , the flame ignites but goes
out after 10 seconds
a.
flame ionisation electrode broken (light
2
fig.1 on)
b.
flame ionisation electrode wire detached, broken
or damp (light
2
fig.1 on)
c.
ignition unit broken (light
2
fig.1 on)
d.
LIVE - NEUTRAL polarity inverted (light
2
fig.1
on)
e.
no earth connection (light
2
fig.1 on)
f.
power supply (LIVE - LIVE) (light
2
fig.1 on)
a.
replace it
b.
re-connect or replace it
c.
replace it
d.
change over polarity
e.
make earth connection
f.
fit conversion kit
4
)
Boiler on, temperature rises rapidly and
extinguishes flame (light
2
fig.1 on)
a.
circulation pump burned out or blocked
b.
air in system
c.
flowswitch jammed open
d.
heating system turned off
a.
unblock or replace it
b.
bleed system
c.
unblock or replace it
d.
open heating system cut-off valve
5
)
Noise as flame ignites
a.
ignition electrode wrongly positioned
b.
RLA trimmer set too high
c.
modulator minimum too high
d.
dirty pilot burner
e.
dirty main burner
a.
check the distance between burner and
electrode is 2.5 - 3 mm.
b.
adjust it
c.
adjust it
d.
clean it
e.
clean it
6
)
Boiler ignites but goes out when
temperature is reached without
modulating
a.
modulator tube blocked
b.
modulator only calibrated at maximum
c.
RAMIRE circuit board breakdown
a.
unblock or replace it
b.
re-calibrate
c.
replace it
7
)
Boiler on (light
6
fig.2 on), selector
switch 1 (fig.1) set to Winter, but
radiators do not heat up
a.
diverter valve blocked or broken
b.
valve VC 6012 connecting wires wrongly
positioned
a.
unblock or replace it
b.
connect wires correctly
8
)
Boiler on (light
6
fig.2 on), but gas
pressure at burner is always at
minimum
a.
broken modulator coil
b.
RAMIRE circuit board breakdown
c.
MAX. HEATING trimmer at minimum (only on
Winter setting)
a.
unblock or replace it
b.
replace it
c.
make adjustments
9
)
No hot water when tap is turned on
a.
cold water entry pressure below 0.3 bar
b.
dirty cold water entry filter
c.
microflowswitch broken or piston demagnetised
a.
increase pressure
b.
clean filter
c.
replace
4
5
2
3
1
ELECTRONIC WATER
PRESSURE GAUGE
SELF-DIAGNOSTIC
17
6
7
8
12
10
9
11
14
16
15
Fig. 1
Fig. 2
Summary of Contents for RSF 24 E
Page 2: ......
