Icos He30 combi boiler resolution L9/H9 fault codes

[Brambles]

Ok, but if a central heating system is tripping on over heat and it is still tripping on overheat after a service - it has not been serviced properly. By that I am not saying that the repair should be part of the service charge - but he / she should have made a recommendation and ideally price for further action to resolve the problem.

 

[Ulsinus]

... but he / she should have made a recommendation and ideally price for further action to resolve the problem.

Thanks Brambles and I totally agree.

 

[Ulsinus]

Hi,

I have resolved the issue.
I bought a set of clamps.
The source of the problem I believe was this:
'In the heating season ... I increase the boiler temperature control to near maximum.'
The boiler was simply running too hot.
I have set the flow temperature to approximately 65 degrees C with the aid of the clamps.
The house is toasty and the boiler hasn't locked out since.
Result.
Thank you all for your help, advice and insight.