Combi-boiler problem

[teash]

Ravenheat boiler fires up for about 10 seconds and then just cuts off but continually fires up then cuts off. I know its not the best description in the world but anybody any ideas on the problem.
Many thanks

[PatriciaH]

http://www.diynot.com/forums/

good luck on finding the fault

[doddieboy]

sounds very much like a thermastat problem

[gasman]

Most likley to be a faulty thermistor. A quick inexpensive simple job for a gasman to replace it. But from you're description it could be a few things best to get an engineer round to check.