Earlier today when calling for heat (measured with multimeter, 240v on call wire). Sounds like it's stuck and not sure why both LEDs are on.
Later on today calling for heat is doing absolutely nothing at all. Still high voltage on line.
https://youtube.com/shorts/RwYwooFHWKc?feature=share
Hot water seems to be working fine. Drayton LP522 and nest heat link used with same results. Boiler is a potterton promax sl
Later on today calling for heat is doing absolutely nothing at all. Still high voltage on line.
https://youtube.com/shorts/RwYwooFHWKc?feature=share
Hot water seems to be working fine. Drayton LP522 and nest heat link used with same results. Boiler is a potterton promax sl