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)