Recent content by cjn1957

There are strains from dried up CH water on all the bottom surfaces of the boiler and on the wall nearby (beneath the boiler, to the right) but I don't think these originate from the diverter. These happened about three weeks ago, so they are almost certainly related to the present problem -...

Thanks for your quick response. The link has always been in place. I have a vrt360 connected to ebus +/- terminals; it needs the link to be present on 3 and 4. I'm pretty sure the vrt360 is working fine, but, just in case, I've tried with it disconnected. It didn't make any difference...

After just over 2 years of excellent continuous service my boiler has stopped working. DHW is fine but on the CH side I get a S.0 status most of the time, even when there is clearly a heat demand, so the radiators remain cold. D40 and 41 both give the same temperature reading, e.g. 67C at the...