In Biasi timer can go faulty, check if disconnect plug of timer wire from either from pcb or timer and check thermostat is set high for test
k, September 2013
need to check the time switch on the boiler is set so as to allow the boiler to come on and you also need to check that the room thermostat is switching on and off
A1, September 2013
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I can answer this question...
boiler does not come on when i put the heating on [ biasi]?
