Nest controller has no power light. I have checked the mains into the
controller and that is fine. I can even see the 240v on the relay
connections for heating and hot water. Is there a fuse or something in
the controller?
Hello Melany,Thanks for responding. Basically I've had to buy a new
heatlink.There was 240v to the heat link but no 12v out to the
thermostat. Pressing the heatlink reset made no difference at all. If I
plugged the nest 12v power supply into the ther...