5
–. SAFETY/LIMIT THERMOSTAT ANO-
MALY ALARM 07 (fig. 23/6)
.
If.the.connection.with.the.safety.ther-
mostat/limit. thermostat. is. interrup-
ted,.the.boiler.will.stop;.the.flame.con-
trol.will.remain.waiting.to.be.switched.
off.for.one.minute,.keeping.the.system.
pump. on. for. that. period.. If,. the. ther-
mostat. connection. is. restored. within.
the. minute,. the. boiler. will. start. up.
working. normally. again,. otherwise. it.
will.stop.and.the.display.will.show.the.
alarm.ALL.07.
2
.
Press.the.key.
to.start.up.the.boiler.again.
–. PARASITE FLAME ANOMALY ALARM
08 (fig. 23/7)
.
If.the.flame.control.section.recognises.
the. presence. of. flames. also. in. pha-
2
Circuito
ses. when. they. should. not. be. present,.
riscaldamento 2
it. means. there. is. a. breakdown. in. the.
flame.detection.circuit;.the.boiler.will.
stop.and.the.display.will.show.anomaly.
Circuito
Circuito
riscaldamento 2
ALL.08.
riscaldamento 2
Circuito
–. WATER
CIRCULATION
riscaldamento 3
Circuito
ALARM 09 (fig. 23/8)
(impianto tre
riscaldamento 2
zone)
.
There.is.no.water.circulation.in.the.pri-
mary.circuit..
Circuito
Circuito
. If. the. anomaly. occurs. upon. first. re-
riscaldamento 3
Circuito
riscaldamento 3
(impianto tre
riscaldamento 2
quest,. the. boiler. performs. a. maxi-
(impianto tre
zone)
2
mum. of. three. attempts. to. assure. the.
zone)
2
Circuito
presence. of. water. inside. the. primary.
riscaldamento 3
circuit;. it. then. stops. showing. on. the.
(impianto tre
display.the.ALL.09.anomaly..If.the.ano-
zone)
maly. occurs. during. normal. functio-
Circuito
riscaldamento 3
ning,. the. display. immediately. shows.
(impianto tre
the.ALL.09.anomaly,.keeping.the.plant.
zone)
2
pump. and. the. eventual. boiler. pump,.
switched.on.for.1.minute..In.this.case.
there. was. a. sudden. increase. of. the.
boiler.inner.temperature..
. Check.to.see.if.there.is.water.circula-
tion. inside. the. boiler. and. check. if. the.
pump.is.operating.properly.
5
. To. exit. the. anomaly. press. the.
button.of.the.controls.(2)..Request.as-
sistance. from. qualified. technical. per-
sonnel.
–. AUXILIARY
SENSOR
2
ALARM 10 (fig. 23/9)
.
When. the. antifreeze.
(SA). or. D.H.W.. sensor. L.2000. (SB). is.
open.or.short.circuited,.the.display.will.
show.anomaly.ALL.10..
–. ACTIVATION OF THE "ALL 13"
2
EXHAUST FUMES PROBE (fig. 23/10)
2
.
The.activation.of.this.probe.causes.the.
boiler.to.stop.and.error.message.ALL.
13.to.display..
.
Press.the.key.
to.start.up.the.boiler.again.
2
–. "ALL 14" EXHAUST FUMES PROBE
ERROR (fig. 23/11)
. If.the.exhaust.fumes.probes.is.open.or.
short-circuited,. the. boiler. stops. and.
error.message.ALL.14.displays.
Apre
3
1
2
4
Circuito
riscaldamento 2
of.the.controls.(2).
.
Circuito
riscaldamento 3
(impianto tre
zone)
ANOMALY
5
2
1
2
. .
3
1
ANOMALY
2
siphon.
sensor.
4
2
of.the.controls.(2).
.
Apre
2
Apre
3
4
2
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/6
Fig..23/7
2
Fig..23/8
Fig..23/9
2
Fig..23/10
Fig..23/11
2
ES
PT
ENG
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
Circuito
riscaldamento 2
Circuito
riscaldamento 3
(impianto tre
zone)
87