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Sorry for taking so long to reply but I think I finally have the system working with no more boiler relay error messages. I tried calling Honeywell technical help line a couple of times and the...

Fingers crossed they will, at the moment I’m wondering whether I invested in the right system by going with the eco home, it seems a bit flaky a lot of the time. I at least made sure the CH relay and...

I have exactly the same messages and problems
Was the guide ever found or the link re published?