air presure switch

Hi, I've got a curious issue which I have been scratching my head over. Been getting repeated lockouts - orange light flashing, after 4 times solid orange light. Step one of the manual states check condensate trap, which I did and some debris came out, fitted back and the boiler happily went...

Hi, My 5 year old Biasi Riva Compact M96.32m boiler has started cutting out. A bit of fault finding with the manual pointed to the air pressure switch being an issue. I changed it and all worked for a few days but now I'm back to square one. If I turn the hot water on the boiler starts up as...