Hello, I have a Worcester Greenstar Ri. Last few days have had the heating off and only hot water on. Last night turned heating on via timer contreol and after 10 mins or so noticed that heating didn't come on. I checked timer - all ok, then checked boiler. It was warm to the touch - but cooling. The green (pilot?) indicator was off but blue light was on. I reset with thermo switch then turned on max. Boiler green light came on... bolier began to fire up but then 10-15 seconds later the green light went out, the boiler shut down and the blue indicator inthe middle started flashing....any ideas?

David, Slough., April 2010

We dont have a room thermostat - just the one on the boiler. I repeated powering down and powering up again last night with same results except this time the blue light is not flashing anymore!!

David Brennan, April 2010

Have you got a room thermostat and is it turned up?

David, April 2010