I don't know the thermostat so I've taken photo. Turned off and turned on again.
Pressed ch1 red light come on above the button Boiler did nothing.
If iTurn off and on then press ch1 then plus 1hour on left hand panel. Boiler started up and temp started rising on the front of the...
1st post hoping people can help. Moved in to my house in April. Had the boiler serviced and sorted.
It work fine on hot water. But I it has only worked once for the chs. Which was Sunday after I changed the batteries in the thermostat. And when I did this there was green light on (ch1)...
