How can i fix my boiler Vokera 80 excel sp?

My Vokera boiler is set at its lowest setting for the heating,but the radiators are getting far too hot.What could the problem be? The model is a Vokera 80 excel sp..
Steven Tindall, October 2005


done
hi i has a pilot light the fan is working but when you turn the hot water on the boiler does not seem to light up

Stuart Hirst, September 2006
sounds like the c h thermister is not measureing the right temp not an expensive part about £15

gavin, October 2005
link Click here to see other fixes for Vokera.