Sorry chaps, he is a Corgi heating engineer, I'm still living in the past refering to him as a 'plumber.' I think he checked the fan, I remember him checking the air-tightness of the case.
In the fault finding chart of the manual it goes.....
All services on.....yes
Call for heat.....yes...
Hi chaps, have a bit of a problem with my ageing Potterton Prima F boiler. It's about 10yrs old now and has worked fine until a few months ago. I started noticing that when the boiler was supposed to start for HW or CH, the fan would start then cut out after a few seconds, a few seconds later...