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I now have a second boiler problem at my holiday caravan The flame detector is not detecting i,e, the flame detector LED is not coming on. when hot water or heating is demanded the boiler ignites for 6 - 7 seconds them goes out flame detector LED does not illuminate The sensor has been...

Yes I have removed the Key

I have a problem with CH preasure I have checked the expansion cylinder valve and ait comes out. I lowered the preasure which holds at 3 bar to zero pumped up the expansion cylinder untill preasure was 0.5 bar then refilled the system untill preasure reached 1 Bar. After the CH had been...

It seems as though you have pulled on the cable when removeing the BNC connector from the old recorder this may have dammaged the connection in the bnc replacing the bnc connector on the coax cable will normally cure the problem. I would also check you have not removed or disconnected the...