Hi Tony,
Thanks, maybe I will if Mooky's resolution doesn't work for me.
It may be completely different to a Professional but it could also be exactly the same and therefore will save time from everyone asking the same questions, to get the same answers Mooky gave.
If I knew how Mooky had...
Hi Mooky,
Did you ever resolve this problem?
I'm having exactly the same problem. British gas have replaced both PCB & Thermistor twice(!!) and it's still occurring as you described. It worked for a while but now becoming frequent again.
So if you resolved it, I would be grateful to know how...