JGW wrote:
We have a 2 year old Baxi boiler which has the following fault. The
burner comes on and then goes out after around 10 - 30 seconds. The
pressure meter is showing green. Just wondering what you people would
try next.

The manual says we should replace the ignition PCB - any thoughts !?!?

I agree, why in the world would one expect the manufacturer to know
anything about their product and failures in it???