This an old thread but I understand your dilemma.
With the baby we are up at all hours and get fed up switching the lights on and off...
So wired a PIR onto the landing ceiling. Its output goes through a dimmer (set at 25%) to make an automatic night-light. This can be over-ridden by the...
This is an old thread but here is my 2 cents anyhow. There are enough of these potterton suprima bangers, er I mean boilers, on their last legs. Just want to give hope to anyone facing a hefty pcb repair bill :D
My boiler had been doing the random lock-out routine. I mean random as in go...