115
D.H.W. sensor fault (SB)
Call the Authorised Technical Service for assistance.
6 7
6 8
6 9
7 0
1 9 2
1 9 4
1 9 5
C.H. sensor fault (SM)
Call the Authorised Technical Service for assistance.
Insufficient water pressure
Restore functioning by acting on the filling tap of the boiler (fig. 4).
Plant overpressure
Call the Authorised Technical Service for assistance.
Thermostat safety interception
Call the Authorised Technical Service for assistance.
Failure of the modulating coil
Call the Authorised Technical Service for assistance.
Communication failure between the Logic Remote Control and the boiler
Call the Authorised Technical Service for assistance.