10
Mixed zone flow probe 4 failure (optional, if connected)
fan failure
Communication failure with peripheral boards (optional, if connected: zone board
and solar board)
Hydraulic configuration not allowed
Zone configuration error (optional, if connected: Remote Control and ambient
thermostat)
Pressure transducer fault
Communication error between main board and touch screen
Safety system hardware malfunction
Incompatibility between boiler main board and interface board
offset error ∆T max
flow or return probe > 120°C
Maximum flow derivative exceeded
Maximum return derivative exceeded
flue gas temperature lower than CH return temperature
flue gas maximum threshold exceeding
Alarm for flue gas maximum derivative exceeding
Max. number of reset attempts from touch screen reached
Max. number of reset attempts from remote control reached (optional, if
connected)
Table 3 - BOILER STATUS - LCD indications in the event of malfunction
