I had same thing happen Christmas Eve just outside two year warranty.
All l could do was go and spend £189 on replacement heatlink and
thermostat. take a photo of where all the wires connect in the old one
before it's removed. so you can see how to c...
For me the problem seemed to be related to me copying the schedule from
one day to the next. So l deleted all my schedules and set each day and
timings up separately. It's been OK since l've done this. Hope this
works for you
I have same issue. My heatlink packed up just outside it's two year
warranty on Christmas Eve. The hot water not heating as scheduled
problem has occurred since spending £189 to replace old heatlink and
thermostat, so any savings on heating bills by ...