Recent content by mavyse

Thanks for the speedy reply Chris mmmm, this takes us back to our first puma boiler we had , which was replaced by Potterton because of this exact same thing. Is this a common problem with these puma 80's? How can I check the PCB? (Visually for any signs).

Our Puma 80 Combi has starting to act up over the past month. What happens is; Turn hot water tap on and the red LED on the PCB comes on. (OK) Turn on heating....works fine. Then with the heating on the diverter valve seems to continually click on and off very very rapidly. It has got...