Recent content by crouch12345

The boiler has previously shown a 'tap' symbol when the hw mode was on so it does differentiate between heating and hw. It was definitely firing and showing the heating symbol without either mode on.

Our boiler has developed a mind of it's own over the past week that I suspect is an issue with the programming unit but my limited diagnostic skills (turn off/on and reseting) have not resolved the problem. The boiler is a vitodens 100W running off LPG with a drayton tempus 7 programming unit...