Noticed the mistake as soon as I posted it, should have read it fully first.
Thanks for the reply, helps me understand a bit more of what is going on.
Moved into the house over summer and first time we've had to use the central heating, no experience of this setup.
We have a CM727 which I...
Hi
Sorry for the big time lapse on this post,did you manage to solve the problem?
I have a similar problem where the flame is showing and the boiler does fire up. But it will if I select manual mode at a higher temp.
Reading through the post if I set a target temp of 19deg , if the temp...