Thanks for this - I reset it last night which did the trick for about an hour - so I reset it again before I went to bed and it appeard to be working fine this morning but we shall see.
Does anyone know what causes this problem?
Less than 12 months ago we bought a new house with a boiler in the kitchen and a BoilerMate OV A Class in the airing cupboard.
This evening I noticed the radiators were not on - I went to look in the airing cupboard and the red light was flashing - according to the little sticker on the label...