The pipe which is second from the left at the top rear ( marked " to rear of appliance, with an arrow pointing backwards gets very hot quite soon, and stays hot. After a while the boiler will fire once again if I press reset.
In the morning it fires once of its own accord. None of these...
When asked for hot water or heating, my boiler runs for about 6 minutes then stops and has to be reset. ( the little black button )
The power light is on
I can hear the pump running
The Lockout light is off
The green switch is set to hot water
The two water heat setting knobs are set to...