what is the likley cause.

My boiler was working ok (yesterday).

I then tryed to run hot eater and found it cold and also found my heateing had gone off.

On looking at the boiler the flame light was not on, all the other aspects seemed ok (lights on and running)

I have tryed it this morning and seems to run ok

any ideas as what next to do.

drkdyson, December 2010

it's virtually impossible to diagnose a fault on a boiler that's working could one of many things or the boiler simply decided to have an off day

brian, December 2010