Red LED flashes if the voltage to the boiler goes below10,5 V (automatic resetting at higher voltage). Fixed light, the LPG boiler has become blocked (resetting by the central switch for LPG) or ove… (View Post)
I choose to ignore that type of warning. I don't care how much voltage is present at the panel, a good controller will be an open circuit until a battery is connected and it's built in logic says too… (View Post)