how to fix my WORCESTER 28si II COMBI?

same problem here,but now it will not ignite on the 2nd stage burn so now no hot water or central heating. have replaced the board,gas valve,air flow switch,set of electrdes and a flame sense electrode. all the work has been carried out by a very experienced engineer and he is now lost as to what it could be. and i am now quite a few pounds ,out of pocket. Please HELP!

Colin Trout
August 2009

We are having same problem here, We called a technician, he said it's a pump :/

Michal PL
May 2008

water keeps on coming out of the boiler

sharon
April 2008

first make sure pressure is about 2 bar.
check if auto air vent is working you may have a little air in the boiler.
but it sounds like it may be the high limit stat is on its way because you have to reset it but its hard with not being able to see it working

plums
April 2008