When i run water the boiler fires up but the L.E.D lockout light illuminates after about 5-10 seconds.The same happens when the central heating is switched on.
Anyone with any ideas to resolve this problem.
Thanks
Albar
When you say flame proving sytem,do you mean the sensing electrode and if so is there a way to check.
Thanks for replying and i'll check fan.
Cheers
albar