Sime SOLO-DUETTO 25 TSE Instrucciones Para El Instalador Y Para El Servicio De Asistencia página 94

The boiler will function but will not modu-
late power for the D.H.W.
BOILER ONLY FOR HEATING: antifreeze
sensor anomaly for boilers which fore-
see the use of antifreeze sensors.
When the sensor is open or short circui-
ted, the boiler loses part of its anti-freeze
functions and the display will show ano-
maly ALL 10.
– THREE-ZONE SYSTEM CONFIGURA-
TION ANOMALY "ALL 32" (fig. 15/26)
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
boiler stops and anomaly ALL 32 is
displayed.
The boiler restar ts when the boiler
three-zone system configuration is acti-
vated.
– RS-485 BOARD COMMUNICATION
ANOMALY IN MODBUS MODE "ALL
33" (fig. 15/27)
When PAR 16 is different from "- -"and
there is no communication between the
boiler board and the RS-485 board in
MODBUS mode for at least four minu-
tes, the boiler stops and anomaly ALL
33 is displayed.
The boiler restarts when communication
is restored or when PAR 16 = "- -" is set.
94
Fig. 15/26
Fig. 15/27