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Originally it only started locking out when we had the hot water running with the heating on, however when we went away for a few days at xmas we left the heating on low and it had gone off when we got back. We have been turning it off and on again and it has gone off in as little as 30 mins...

Its a Csi 85 aaa (t) 780 series boiler.... There are no thermostatic valves on the radiators and everything is open...what I do know is that the system was not flushed and when he returned he made sure there was no air in the boiler etc. I think the next job is trying to get the engineer...

Thank you Is there a way around fixing this without having to replace all of the piping?

Hi We had a raven heat boiler installed at the back end of September. Soon after it was installed we noticed we had no hot water. We went up to the loft to look at the boiler and a red light had come on.....When we looked this up it was over heat/failure to ignite. We phoned raven heat who...