Plumbing Questions? Ask a Plumber for Answers ASAP
Good morning, can you clarify if your getting central heating or if its both hot water and central heating at fault?
Secondly is the boiler a Greenstar 30CDI?
What is\was shown on the boiler display, it sounds like the boiler had lost pressure hence hadnt started, now you have increased pressure is the boiler operating again and you have CH and HW?