Recent content by RafalST

thanks for your replies - started working after I increased the pressure to 1,5 bar and switched it off and on couple of times. :)

so what checks can I do?

Hi All, I wonder if anyone can help me. The problem that I am having is that the central heating does not seem to be working anymore. I do not have any error messgaes flashing on the display. I only have a "d" and a falshing burner sign. "c" does not come up (only when switching the boiler on...