Recent content by MCW59

Thanks, nobody from WB mentioned that before and the pressure is down about 1.2 cold at the moment. I'll adjust it this evening when I get back home.

Thanks for the info but the fault has gottenworse. The alarm flashes after 5-10 mins of use. On checking the exhaust fan still continues after the alrm indicates failure, then the pressure switch will drop out after the alarm not before. Still looks like the CB.

Thanks I'll certainly consider that.

I have a Worcester 28CDi, the exhaust fan was recently changed because it had had become noisy and had started to seize up. At the time we were also getting Air Pressure Fault indications (flashing HW light). Have been through the diagnosis in the book with CH engineer, cleaned sensing tubes...