thanks will try that did not think to look there .
i did however have to reset it b4 i went to work tonight and as far as i know it has not gone off again as i would have had a call from the mrs,.
any other ideas i could try :?:
hi i have a wallstar oil combi boiler and it has started to lockout on regular basis i.e. every time i want use it :x any help would be good it also seems to have alot of air build up in the line is this normal ? i do bleed it every time it locks out but this has not made a differance it still...