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on CH mode the boiler fires for a few hours then I notice the rads have gone cold and the lock out light is up,it seems to reset but does the same later, I was looking at maybe another problem but as you mentioned the fan I have noticed the fan has got a lot noisier, could it be the fan playing up as the boiler gets hotter and when I come to reset it its cooled again ?
I know the pumps fine and that on these boilers its the pump start first ,then the fan so this could explain it.
any ideas anyone,
DHW seems to be ok.
on CH mode the boiler fires for a few hours then I notice the rads have gone cold and the lock out light is up,it seems to reset but does the same later, I was looking at maybe another problem but as you mentioned the fan I have noticed the fan has got a lot noisier, could it be the fan playing up as the boiler gets hotter and when I come to reset it its cooled again ?
I know the pumps fine and that on these boilers its the pump start first ,then the fan so this could explain it.
any ideas anyone,
DHW seems to be ok.