i have a baxi combi 105 HE which heats water to taps but wont heat the radiators.i have recently changed 2 radiators but heating has not been in use for months. pressure is normal but all the neons on the top row are on red.i cannot hear the c/h pump engage when requested by the digital box which shows the flame. the flame neon lights up on the boiler when water is used from the taps but it does not when requested by the the programmer.
have u checked to see all the shut off taps to the boiler are open on the bottom. looks like a circlation fault. maybe u have shut off a service valve under the boiler.
kash
September 2013
dont tamper with the boiler unless your gas-safe registered!!! by the sounds of it you will need to call in a heating engineer
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