4 hours ago Jo asked ... How to engage clutch on old sewing machine to engage needle?    |    Jacky asked ... Miele Vacuum cleaner?    |    Ben asked ... Toyota Yaris French or Japanese?    |    Andy asked ... How can I mend my MacAlistair 450w hedge trimmer?    |    Felix asked ... Hitachi vt-m70em?    |    Click here to ask your question

my digistat wont pick up the signal?

I have an old drayton thermostat and digistat scr. I recently bought a new thermostat but i cant seem to get the scr to pick up the new signal. Does anyone know what I am doing wrong?
Rob, October 2013
link Click here to see other fixes for Drayton SCR.