–. HEATING RETURN PROBE ANOMALY
"ALL 30" (fig. 23/24)
.
When. the. heating. return. probe. (SR).
is. open. or. short-circuited,. the. display.
shows.anomaly.ALL.30..During.such.ano-
maly. the. boiler. continues. normal. fun-
ctioning.
Apre
–. CASCADE DELIVERY SENSOR ANOMALY
"ALL 31" (fig. 23/25)
. When.the.cascade.delivery.sensor.(SMC).
is. open. or. shorted,. ALL. 31. shall. be. di-
splayed..During.such.anomaly,.the.boiler.
will.continue.to.operate.normally.
2
–. THREE-ZONE SYSTEM CONFIGURATION
ANOMALY "ALL 32" (fig. 23/26)
. When. the. boards. connected. to. the. RS-
485. are. not. enough. and/or. at. least. one.
of. them. it. is. not. mixing. zone. board,. the.
Apre
boiler. stops. and. anomaly. ALL. 32. is. di-
splayed..
. The.boiler.restarts.when.the.boiler.three-
zone.system.configuration.is.activated
2
–. RS-485 BOARD COMMUNICATION ANO-
2
MALY IN MODBUS MODE "ALL 33" (fig.
23/27)
. When. PAR. 16. is. different. from. "-. -"and.
Circuito
riscaldamento 2
there. is. no. communication. between. the.
boiler. board. and. the. RS-485. board. in.
MODBUS.mode.for.at.least.four.minutes,.
the. boiler. stops. and. anomaly. ALL. 33. is.
Circuito
displayed..
riscaldamento 3
(impianto tre
. The.boiler.restarts.when.communication.
zone)
is.restored.or.when.PAR.16.=."-.-".is.set.
–. RS-485 BOARD COMMUNICATION ANO-
MALY IN CASCADE MODE "ALL 34" (fig.
23/28)
. When.PAR.15.is.different.from."-.-".and.
there. is. no. communication. between. the.
boiler. board. and. the. RS-485. board. in.
CASCADE. mode,. the. boiler. stops. and.
anomaly. ALL. 34. is. displayed.. The. boiler.
restarts.when.communication.is.restored.
or.when.PAR.15.=."-.-".is.set.
Fig..23/24
–. RS-485 AND RS-485 COMMUNICATION
ANOMALY "ALL 35" (fig. 23/29)
.
When.PAR.15.is.different.from."-.-".and.
Circuito
there. is. no. communication. between. the.
riscaldamento 2
two.RS-485.boards,.the.boiler.stops.and.
anomaly. ALL. 35. is. displayed.. The. boiler.
restarts.when.communication.is.restored.
or.when.PAR.15.=."-.-".is.set.
Circuito
riscaldamento 3
(impianto tre
zone)
Fig..23/25
CAUTION: In the event of sequence/casca-
de connection, error codes 70 and 71 will
appear on the SIME HOME remote control
display:
- ALARM 70
When an anomaly affects cascade ope-
ration (cascade delivery sensor ALL 31),
Circuito
riscaldamento 2
SIME HOME remote control display will
show alarm 70. Verify the anomaly in the
Fig..23/26
cascade.
Circuito
- ALARM 71
riscaldamento 3
When an anomaly occurs in one of the
(impianto tre
zone)
2
modules and the others keep operating
to the extent permitted, the SIME HOME
remote control display will show alarm
71. Verify the anomaly in the cascade.
Fig..23/27
2
Fig..23/28
Fig..23/29
ES
ENG
63