biasi combi boiler m90f 24s

[chapm]

i am sorry posted with wrong info boiler is m90f 24s and the hot water works but no heating read troubleshooting in manuel and not much help can anyone assist cheers

 

[transam]

Combi ?? clock turned on eg a demand being made ? room stat ? turned up ?

 

[chapm]

yes i have not touched anything for months the heating worked 2 days ago then stopped bleeded system then started again started workig then stopped and not worked since

 

[Agile]

Is the system pressure about 1.5 Bar when cold?

Tony

 

[chapm]

the pressure is at 1.5 bar when heating is off

 

[Agile]

Does time clock display "on" in the window?

What position is red slider switch?

Is room stat turned up?

What position is right knob in?

Turn right knob to "O" position and what does light do?

Tony