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how can i fix my baxi 105e?My 105e when working in central heating +hot water mode works for a while but if you adjust the temperature control or turn a radiator off it stops with flame failure flashing and wont reset until you leave it for a while ,it can also just stop with flame failure , this is less likely to happen when the boiler is first operating,also when switching back from hot water it happens,when in hot water mode only it works fine,burner on light never goes out when operating,these are the parts that have been replaced with new parts. P.C.B./Heating Temperature Sensor/Both electrodes/on/off Reset Selector . I have had 2 central heating engineers out but both are baffled and have no solution .Would be grateful for any advice .Thank you Jack
JACK NEELY February 2012
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Just a thought that may help, get your gas safe engineer to check and set the boiler minimum gas pressure.
When in CH mode, the boiler fires at low rate, when in HW mode the boiler fires at full rate. This would explain the fault not occuring in HW mode. It is therefore possible for the low fire rate to have altered and be too low to ignite/rectify.
Worth checking, hope it helps.
Carefree February 2012 |
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