While you wait for answers, we may have found some information which could help you.
Click here for Light Potterton ProfilePotterton Lynx 2 fails to ignite?
FAULTY POTTERTON LYNX 2 BOILER?
Need a replacement for my air flow sensor on my Potterton Lynx Combi boiler?
potterton boiler fires up then gos off with loud banging from the pipes?
potterton performa 30 HE?
5 year old suprima, boiler tripping out?