I have a vokera Mynute 14se boiler contolled by a Danfoss Randall TP9 timer,because of a leak we had a motorised valve replaced (previous post) all works well untill i try to boost the hw if the ch is on , or boost the ch if the dhw is on . The red light comes on but there is no "click" at the contoller unit . I visited my neighbour who has the same heating and controller and tested her unit,the red light comes on and the controller clicks when i boosted the ch and then dhw . I've spoken to the engineer who replaced the motorised valve and he seems to think that a new controller is needed but i would like your opinions aswell.