My boiler has recently developed the following problem - The central heating will not shut down, even with the wall therostate turned right down and the CH switch on the front panel set to off (although the on/off/standby switch does feel a little loose). Rads are hotter then I ever remember them being and now the boiler locks out intermitetly, could this be a safety feature were the CH water temp is getting to high? Took the front panel off boiler just to read fault finding instructions on case, interesting reading but I did not really understand much although it did mention a red LED on the modulaton board, this LED was on. I turned the boiler to standby just to turn CH off, after turning back on 1 hour later this LED was off?
System now seems to be working correctly. Ahhhh.
Any info would be great.
System now seems to be working correctly. Ahhhh.
Any info would be great.
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