Hi. This boiler dates from 2004. Has now started to cut out. I often get up to find the house cold and the green flashing light flashing twice as fast with the pump running but nothing else. When the boiler power is switched off and on again boiler works fine again for a while (hours not mins). Looking to get an idea of the fault to determine if its viable to repair or new boiler time. Located in the Medway towns. Many thanks in advance.
